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scripts/myenv/lib/python3.10/site-packages/pip/_vendor/certifi/__init__.py

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+from .core import contents, where
+
+__version__ = "2021.10.08"

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/certifi/__main__.py

@@ -0,0 +1,12 @@
+import argparse
+
+from pip._vendor.certifi import contents, where
+
+parser = argparse.ArgumentParser()
+parser.add_argument("-c", "--contents", action="store_true")
+args = parser.parse_args()
+
+if args.contents:
+    print(contents())
+else:
+    print(where())

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/certifi/core.py

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+# -*- coding: utf-8 -*-
+
+"""
+certifi.py
+~~~~~~~~~~
+
+This module returns the installation location of cacert.pem or its contents.
+"""
+import os
+
+
+class _PipPatchedCertificate(Exception):
+    pass
+
+
+DEBIAN_CA_CERTS_PATH = '/etc/ssl/certs/ca-certificates.crt'
+
+try:
+    # Return a certificate file on disk for a standalone pip zipapp running in
+    # an isolated build environment to use. Passing --cert to the standalone
+    # pip does not work since requests calls where() unconditionally on import.
+    _PIP_STANDALONE_CERT = os.environ.get("_PIP_STANDALONE_CERT")
+    if _PIP_STANDALONE_CERT:
+        def where():
+            return _PIP_STANDALONE_CERT
+        raise _PipPatchedCertificate()
+
+    from importlib.resources import path as get_path, read_text
+
+    _CACERT_CTX = None
+    _CACERT_PATH = None
+
+    def where():
+        # This is slightly terrible, but we want to delay extracting the file
+        # in cases where we're inside of a zipimport situation until someone
+        # actually calls where(), but we don't want to re-extract the file
+        # on every call of where(), so we'll do it once then store it in a
+        # global variable.
+        global _CACERT_CTX
+        global _CACERT_PATH
+        if _CACERT_PATH is None:
+            # This is slightly janky, the importlib.resources API wants you to
+            # manage the cleanup of this file, so it doesn't actually return a
+            # path, it returns a context manager that will give you the path
+            # when you enter it and will do any cleanup when you leave it. In
+            # the common case of not needing a temporary file, it will just
+            # return the file system location and the __exit__() is a no-op.
+            #
+            # We also have to hold onto the actual context manager, because
+            # it will do the cleanup whenever it gets garbage collected, so
+            # we will also store that at the global level as well.
+            _CACERT_PATH = DEBIAN_CA_CERTS_PATH
+
+        return _CACERT_PATH
+
+except _PipPatchedCertificate:
+    pass
+
+except ImportError:
+    # This fallback will work for Python versions prior to 3.7 that lack the
+    # importlib.resources module but relies on the existing `where` function
+    # so won't address issues with environments like PyOxidizer that don't set
+    # __file__ on modules.
+    def read_text(_module, _path, encoding="ascii"):
+        with open(where(), "r", encoding=encoding) as data:
+            return data.read()
+
+    # If we don't have importlib.resources, then we will just do the old logic
+    # of assuming we're on the filesystem and munge the path directly.
+    def where():
+        return DEBIAN_CA_CERTS_PATH
+
+
+def contents():
+    with open(where(), "r", encoding="ascii") as data:
+        return data.read()

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/idna/__init__.py

@@ -0,0 +1,44 @@
+from .package_data import __version__
+from .core import (
+    IDNABidiError,
+    IDNAError,
+    InvalidCodepoint,
+    InvalidCodepointContext,
+    alabel,
+    check_bidi,
+    check_hyphen_ok,
+    check_initial_combiner,
+    check_label,
+    check_nfc,
+    decode,
+    encode,
+    ulabel,
+    uts46_remap,
+    valid_contextj,
+    valid_contexto,
+    valid_label_length,
+    valid_string_length,
+)
+from .intranges import intranges_contain
+
+__all__ = [
+    "IDNABidiError",
+    "IDNAError",
+    "InvalidCodepoint",
+    "InvalidCodepointContext",
+    "alabel",
+    "check_bidi",
+    "check_hyphen_ok",
+    "check_initial_combiner",
+    "check_label",
+    "check_nfc",
+    "decode",
+    "encode",
+    "intranges_contain",
+    "ulabel",
+    "uts46_remap",
+    "valid_contextj",
+    "valid_contexto",
+    "valid_label_length",
+    "valid_string_length",
+]

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/idna/codec.py

@@ -0,0 +1,112 @@
+from .core import encode, decode, alabel, ulabel, IDNAError
+import codecs
+import re
+from typing import Tuple, Optional
+
+_unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]')
+
+class Codec(codecs.Codec):
+
+    def encode(self, data: str, errors: str = 'strict') -> Tuple[bytes, int]:
+        if errors != 'strict':
+            raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+        if not data:
+            return b"", 0
+
+        return encode(data), len(data)
+
+    def decode(self, data: bytes, errors: str = 'strict') -> Tuple[str, int]:
+        if errors != 'strict':
+            raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+        if not data:
+            return '', 0
+
+        return decode(data), len(data)
+
+class IncrementalEncoder(codecs.BufferedIncrementalEncoder):
+    def _buffer_encode(self, data: str, errors: str, final: bool) -> Tuple[str, int]:  # type: ignore
+        if errors != 'strict':
+            raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+        if not data:
+            return "", 0
+
+        labels = _unicode_dots_re.split(data)
+        trailing_dot = ''
+        if labels:
+            if not labels[-1]:
+                trailing_dot = '.'
+                del labels[-1]
+            elif not final:
+                # Keep potentially unfinished label until the next call
+                del labels[-1]
+                if labels:
+                    trailing_dot = '.'
+
+        result = []
+        size = 0
+        for label in labels:
+            result.append(alabel(label))
+            if size:
+                size += 1
+            size += len(label)
+
+        # Join with U+002E
+        result_str = '.'.join(result) + trailing_dot  # type: ignore
+        size += len(trailing_dot)
+        return result_str, size
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    def _buffer_decode(self, data: str, errors: str, final: bool) -> Tuple[str, int]:  # type: ignore
+        if errors != 'strict':
+            raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+        if not data:
+            return ('', 0)
+
+        labels = _unicode_dots_re.split(data)
+        trailing_dot = ''
+        if labels:
+            if not labels[-1]:
+                trailing_dot = '.'
+                del labels[-1]
+            elif not final:
+                # Keep potentially unfinished label until the next call
+                del labels[-1]
+                if labels:
+                    trailing_dot = '.'
+
+        result = []
+        size = 0
+        for label in labels:
+            result.append(ulabel(label))
+            if size:
+                size += 1
+            size += len(label)
+
+        result_str = '.'.join(result) + trailing_dot
+        size += len(trailing_dot)
+        return (result_str, size)
+
+
+class StreamWriter(Codec, codecs.StreamWriter):
+    pass
+
+
+class StreamReader(Codec, codecs.StreamReader):
+    pass
+
+
+def getregentry() -> codecs.CodecInfo:
+    # Compatibility as a search_function for codecs.register()
+    return codecs.CodecInfo(
+        name='idna',
+        encode=Codec().encode,  # type: ignore
+        decode=Codec().decode,  # type: ignore
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/idna/compat.py

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+from .core import *
+from .codec import *
+from typing import Any, Union
+
+def ToASCII(label: str) -> bytes:
+    return encode(label)
+
+def ToUnicode(label: Union[bytes, bytearray]) -> str:
+    return decode(label)
+
+def nameprep(s: Any) -> None:
+    raise NotImplementedError('IDNA 2008 does not utilise nameprep protocol')
+

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/idna/core.py

@@ -0,0 +1,397 @@
+from . import idnadata
+import bisect
+import unicodedata
+import re
+from typing import Union, Optional
+from .intranges import intranges_contain
+
+_virama_combining_class = 9
+_alabel_prefix = b'xn--'
+_unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]')
+
+class IDNAError(UnicodeError):
+    """ Base exception for all IDNA-encoding related problems """
+    pass
+
+
+class IDNABidiError(IDNAError):
+    """ Exception when bidirectional requirements are not satisfied """
+    pass
+
+
+class InvalidCodepoint(IDNAError):
+    """ Exception when a disallowed or unallocated codepoint is used """
+    pass
+
+
+class InvalidCodepointContext(IDNAError):
+    """ Exception when the codepoint is not valid in the context it is used """
+    pass
+
+
+def _combining_class(cp: int) -> int:
+    v = unicodedata.combining(chr(cp))
+    if v == 0:
+        if not unicodedata.name(chr(cp)):
+            raise ValueError('Unknown character in unicodedata')
+    return v
+
+def _is_script(cp: str, script: str) -> bool:
+    return intranges_contain(ord(cp), idnadata.scripts[script])
+
+def _punycode(s: str) -> bytes:
+    return s.encode('punycode')
+
+def _unot(s: int) -> str:
+    return 'U+{:04X}'.format(s)
+
+
+def valid_label_length(label: Union[bytes, str]) -> bool:
+    if len(label) > 63:
+        return False
+    return True
+
+
+def valid_string_length(label: Union[bytes, str], trailing_dot: bool) -> bool:
+    if len(label) > (254 if trailing_dot else 253):
+        return False
+    return True
+
+
+def check_bidi(label: str, check_ltr: bool = False) -> bool:
+    # Bidi rules should only be applied if string contains RTL characters
+    bidi_label = False
+    for (idx, cp) in enumerate(label, 1):
+        direction = unicodedata.bidirectional(cp)
+        if direction == '':
+            # String likely comes from a newer version of Unicode
+            raise IDNABidiError('Unknown directionality in label {} at position {}'.format(repr(label), idx))
+        if direction in ['R', 'AL', 'AN']:
+            bidi_label = True
+    if not bidi_label and not check_ltr:
+        return True
+
+    # Bidi rule 1
+    direction = unicodedata.bidirectional(label[0])
+    if direction in ['R', 'AL']:
+        rtl = True
+    elif direction == 'L':
+        rtl = False
+    else:
+        raise IDNABidiError('First codepoint in label {} must be directionality L, R or AL'.format(repr(label)))
+
+    valid_ending = False
+    number_type = None  # type: Optional[str]
+    for (idx, cp) in enumerate(label, 1):
+        direction = unicodedata.bidirectional(cp)
+
+        if rtl:
+            # Bidi rule 2
+            if not direction in ['R', 'AL', 'AN', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']:
+                raise IDNABidiError('Invalid direction for codepoint at position {} in a right-to-left label'.format(idx))
+            # Bidi rule 3
+            if direction in ['R', 'AL', 'EN', 'AN']:
+                valid_ending = True
+            elif direction != 'NSM':
+                valid_ending = False
+            # Bidi rule 4
+            if direction in ['AN', 'EN']:
+                if not number_type:
+                    number_type = direction
+                else:
+                    if number_type != direction:
+                        raise IDNABidiError('Can not mix numeral types in a right-to-left label')
+        else:
+            # Bidi rule 5
+            if not direction in ['L', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']:
+                raise IDNABidiError('Invalid direction for codepoint at position {} in a left-to-right label'.format(idx))
+            # Bidi rule 6
+            if direction in ['L', 'EN']:
+                valid_ending = True
+            elif direction != 'NSM':
+                valid_ending = False
+
+    if not valid_ending:
+        raise IDNABidiError('Label ends with illegal codepoint directionality')
+
+    return True
+
+
+def check_initial_combiner(label: str) -> bool:
+    if unicodedata.category(label[0])[0] == 'M':
+        raise IDNAError('Label begins with an illegal combining character')
+    return True
+
+
+def check_hyphen_ok(label: str) -> bool:
+    if label[2:4] == '--':
+        raise IDNAError('Label has disallowed hyphens in 3rd and 4th position')
+    if label[0] == '-' or label[-1] == '-':
+        raise IDNAError('Label must not start or end with a hyphen')
+    return True
+
+
+def check_nfc(label: str) -> None:
+    if unicodedata.normalize('NFC', label) != label:
+        raise IDNAError('Label must be in Normalization Form C')
+
+
+def valid_contextj(label: str, pos: int) -> bool:
+    cp_value = ord(label[pos])
+
+    if cp_value == 0x200c:
+
+        if pos > 0:
+            if _combining_class(ord(label[pos - 1])) == _virama_combining_class:
+                return True
+
+        ok = False
+        for i in range(pos-1, -1, -1):
+            joining_type = idnadata.joining_types.get(ord(label[i]))
+            if joining_type == ord('T'):
+                continue
+            if joining_type in [ord('L'), ord('D')]:
+                ok = True
+                break
+
+        if not ok:
+            return False
+
+        ok = False
+        for i in range(pos+1, len(label)):
+            joining_type = idnadata.joining_types.get(ord(label[i]))
+            if joining_type == ord('T'):
+                continue
+            if joining_type in [ord('R'), ord('D')]:
+                ok = True
+                break
+        return ok
+
+    if cp_value == 0x200d:
+
+        if pos > 0:
+            if _combining_class(ord(label[pos - 1])) == _virama_combining_class:
+                return True
+        return False
+
+    else:
+
+        return False
+
+
+def valid_contexto(label: str, pos: int, exception: bool = False) -> bool:
+    cp_value = ord(label[pos])
+
+    if cp_value == 0x00b7:
+        if 0 < pos < len(label)-1:
+            if ord(label[pos - 1]) == 0x006c and ord(label[pos + 1]) == 0x006c:
+                return True
+        return False
+
+    elif cp_value == 0x0375:
+        if pos < len(label)-1 and len(label) > 1:
+            return _is_script(label[pos + 1], 'Greek')
+        return False
+
+    elif cp_value == 0x05f3 or cp_value == 0x05f4:
+        if pos > 0:
+            return _is_script(label[pos - 1], 'Hebrew')
+        return False
+
+    elif cp_value == 0x30fb:
+        for cp in label:
+            if cp == '\u30fb':
+                continue
+            if _is_script(cp, 'Hiragana') or _is_script(cp, 'Katakana') or _is_script(cp, 'Han'):
+                return True
+        return False
+
+    elif 0x660 <= cp_value <= 0x669:
+        for cp in label:
+            if 0x6f0 <= ord(cp) <= 0x06f9:
+                return False
+        return True
+
+    elif 0x6f0 <= cp_value <= 0x6f9:
+        for cp in label:
+            if 0x660 <= ord(cp) <= 0x0669:
+                return False
+        return True
+
+    return False
+
+
+def check_label(label: Union[str, bytes, bytearray]) -> None:
+    if isinstance(label, (bytes, bytearray)):
+        label = label.decode('utf-8')
+    if len(label) == 0:
+        raise IDNAError('Empty Label')
+
+    check_nfc(label)
+    check_hyphen_ok(label)
+    check_initial_combiner(label)
+
+    for (pos, cp) in enumerate(label):
+        cp_value = ord(cp)
+        if intranges_contain(cp_value, idnadata.codepoint_classes['PVALID']):
+            continue
+        elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTJ']):
+            try:
+                if not valid_contextj(label, pos):
+                    raise InvalidCodepointContext('Joiner {} not allowed at position {} in {}'.format(
+                        _unot(cp_value), pos+1, repr(label)))
+            except ValueError:
+                raise IDNAError('Unknown codepoint adjacent to joiner {} at position {} in {}'.format(
+                    _unot(cp_value), pos+1, repr(label)))
+        elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTO']):
+            if not valid_contexto(label, pos):
+                raise InvalidCodepointContext('Codepoint {} not allowed at position {} in {}'.format(_unot(cp_value), pos+1, repr(label)))
+        else:
+            raise InvalidCodepoint('Codepoint {} at position {} of {} not allowed'.format(_unot(cp_value), pos+1, repr(label)))
+
+    check_bidi(label)
+
+
+def alabel(label: str) -> bytes:
+    try:
+        label_bytes = label.encode('ascii')
+        ulabel(label_bytes)
+        if not valid_label_length(label_bytes):
+            raise IDNAError('Label too long')
+        return label_bytes
+    except UnicodeEncodeError:
+        pass
+
+    if not label:
+        raise IDNAError('No Input')
+
+    label = str(label)
+    check_label(label)
+    label_bytes = _punycode(label)
+    label_bytes = _alabel_prefix + label_bytes
+
+    if not valid_label_length(label_bytes):
+        raise IDNAError('Label too long')
+
+    return label_bytes
+
+
+def ulabel(label: Union[str, bytes, bytearray]) -> str:
+    if not isinstance(label, (bytes, bytearray)):
+        try:
+            label_bytes = label.encode('ascii')
+        except UnicodeEncodeError:
+            check_label(label)
+            return label
+    else:
+        label_bytes = label
+
+    label_bytes = label_bytes.lower()
+    if label_bytes.startswith(_alabel_prefix):
+        label_bytes = label_bytes[len(_alabel_prefix):]
+        if not label_bytes:
+            raise IDNAError('Malformed A-label, no Punycode eligible content found')
+        if label_bytes.decode('ascii')[-1] == '-':
+            raise IDNAError('A-label must not end with a hyphen')
+    else:
+        check_label(label_bytes)
+        return label_bytes.decode('ascii')
+
+    try:
+        label = label_bytes.decode('punycode')
+    except UnicodeError:
+        raise IDNAError('Invalid A-label')
+    check_label(label)
+    return label
+
+
+def uts46_remap(domain: str, std3_rules: bool = True, transitional: bool = False) -> str:
+    """Re-map the characters in the string according to UTS46 processing."""
+    from .uts46data import uts46data
+    output = ''
+
+    for pos, char in enumerate(domain):
+        code_point = ord(char)
+        try:
+            uts46row = uts46data[code_point if code_point < 256 else
+                bisect.bisect_left(uts46data, (code_point, 'Z')) - 1]
+            status = uts46row[1]
+            replacement = None  # type: Optional[str]
+            if len(uts46row) == 3:
+                replacement = uts46row[2]  # type: ignore
+            if (status == 'V' or
+                    (status == 'D' and not transitional) or
+                    (status == '3' and not std3_rules and replacement is None)):
+                output += char
+            elif replacement is not None and (status == 'M' or
+                    (status == '3' and not std3_rules) or
+                    (status == 'D' and transitional)):
+                output += replacement
+            elif status != 'I':
+                raise IndexError()
+        except IndexError:
+            raise InvalidCodepoint(
+                'Codepoint {} not allowed at position {} in {}'.format(
+                _unot(code_point), pos + 1, repr(domain)))
+
+    return unicodedata.normalize('NFC', output)
+
+
+def encode(s: Union[str, bytes, bytearray], strict: bool = False, uts46: bool = False, std3_rules: bool = False, transitional: bool = False) -> bytes:
+    if isinstance(s, (bytes, bytearray)):
+        s = s.decode('ascii')
+    if uts46:
+        s = uts46_remap(s, std3_rules, transitional)
+    trailing_dot = False
+    result = []
+    if strict:
+        labels = s.split('.')
+    else:
+        labels = _unicode_dots_re.split(s)
+    if not labels or labels == ['']:
+        raise IDNAError('Empty domain')
+    if labels[-1] == '':
+        del labels[-1]
+        trailing_dot = True
+    for label in labels:
+        s = alabel(label)
+        if s:
+            result.append(s)
+        else:
+            raise IDNAError('Empty label')
+    if trailing_dot:
+        result.append(b'')
+    s = b'.'.join(result)
+    if not valid_string_length(s, trailing_dot):
+        raise IDNAError('Domain too long')
+    return s
+
+
+def decode(s: Union[str, bytes, bytearray], strict: bool = False, uts46: bool = False, std3_rules: bool = False) -> str:
+    try:
+        if isinstance(s, (bytes, bytearray)):
+            s = s.decode('ascii')
+    except UnicodeDecodeError:
+        raise IDNAError('Invalid ASCII in A-label')
+    if uts46:
+        s = uts46_remap(s, std3_rules, False)
+    trailing_dot = False
+    result = []
+    if not strict:
+        labels = _unicode_dots_re.split(s)
+    else:
+        labels = s.split('.')
+    if not labels or labels == ['']:
+        raise IDNAError('Empty domain')
+    if not labels[-1]:
+        del labels[-1]
+        trailing_dot = True
+    for label in labels:
+        s = ulabel(label)
+        if s:
+            result.append(s)
+        else:
+            raise IDNAError('Empty label')
+    if trailing_dot:
+        result.append('')
+    return '.'.join(result)

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/idna/idnadata.py

@@ -0,0 +1,2137 @@
+# This file is automatically generated by tools/idna-data
+
+__version__ = '14.0.0'
+scripts = {
+    'Greek': (
+        0x37000000374,
+        0x37500000378,
+        0x37a0000037e,
+        0x37f00000380,
+        0x38400000385,
+        0x38600000387,
+        0x3880000038b,
+        0x38c0000038d,
+        0x38e000003a2,
+        0x3a3000003e2,
+        0x3f000000400,
+        0x1d2600001d2b,
+        0x1d5d00001d62,
+        0x1d6600001d6b,
+        0x1dbf00001dc0,
+        0x1f0000001f16,
+        0x1f1800001f1e,
+        0x1f2000001f46,
+        0x1f4800001f4e,
+        0x1f5000001f58,
+        0x1f5900001f5a,
+        0x1f5b00001f5c,
+        0x1f5d00001f5e,
+        0x1f5f00001f7e,
+        0x1f8000001fb5,
+        0x1fb600001fc5,
+        0x1fc600001fd4,
+        0x1fd600001fdc,
+        0x1fdd00001ff0,
+        0x1ff200001ff5,
+        0x1ff600001fff,
+        0x212600002127,
+        0xab650000ab66,
+        0x101400001018f,
+        0x101a0000101a1,
+        0x1d2000001d246,
+    ),
+    'Han': (
+        0x2e8000002e9a,
+        0x2e9b00002ef4,
+        0x2f0000002fd6,
+        0x300500003006,
+        0x300700003008,
+        0x30210000302a,
+        0x30380000303c,
+        0x340000004dc0,
+        0x4e000000a000,
+        0xf9000000fa6e,
+        0xfa700000fada,
+        0x16fe200016fe4,
+        0x16ff000016ff2,
+        0x200000002a6e0,
+        0x2a7000002b739,
+        0x2b7400002b81e,
+        0x2b8200002cea2,
+        0x2ceb00002ebe1,
+        0x2f8000002fa1e,
+        0x300000003134b,
+    ),
+    'Hebrew': (
+        0x591000005c8,
+        0x5d0000005eb,
+        0x5ef000005f5,
+        0xfb1d0000fb37,
+        0xfb380000fb3d,
+        0xfb3e0000fb3f,
+        0xfb400000fb42,
+        0xfb430000fb45,
+        0xfb460000fb50,
+    ),
+    'Hiragana': (
+        0x304100003097,
+        0x309d000030a0,
+        0x1b0010001b120,
+        0x1b1500001b153,
+        0x1f2000001f201,
+    ),
+    'Katakana': (
+        0x30a1000030fb,
+        0x30fd00003100,
+        0x31f000003200,
+        0x32d0000032ff,
+        0x330000003358,
+        0xff660000ff70,
+        0xff710000ff9e,
+        0x1aff00001aff4,
+        0x1aff50001affc,
+        0x1affd0001afff,
+        0x1b0000001b001,
+        0x1b1200001b123,
+        0x1b1640001b168,
+    ),
+}
+joining_types = {
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+    0x601: 85,
+    0x602: 85,
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+    0x622: 82,
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+    0x625: 82,
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+    0x62f: 82,
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+    0x631: 82,
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+    0x633: 68,
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+    0x636: 68,
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+    0x10d16: 68,
+    0x10d17: 68,
+    0x10d18: 68,
+    0x10d19: 68,
+    0x10d1a: 68,
+    0x10d1b: 68,
+    0x10d1c: 68,
+    0x10d1d: 68,
+    0x10d1e: 68,
+    0x10d1f: 68,
+    0x10d20: 68,
+    0x10d21: 68,
+    0x10d22: 82,
+    0x10d23: 68,
+    0x10f30: 68,
+    0x10f31: 68,
+    0x10f32: 68,
+    0x10f33: 82,
+    0x10f34: 68,
+    0x10f35: 68,
+    0x10f36: 68,
+    0x10f37: 68,
+    0x10f38: 68,
+    0x10f39: 68,
+    0x10f3a: 68,
+    0x10f3b: 68,
+    0x10f3c: 68,
+    0x10f3d: 68,
+    0x10f3e: 68,
+    0x10f3f: 68,
+    0x10f40: 68,
+    0x10f41: 68,
+    0x10f42: 68,
+    0x10f43: 68,
+    0x10f44: 68,
+    0x10f45: 85,
+    0x10f51: 68,
+    0x10f52: 68,
+    0x10f53: 68,
+    0x10f54: 82,
+    0x10f70: 68,
+    0x10f71: 68,
+    0x10f72: 68,
+    0x10f73: 68,
+    0x10f74: 82,
+    0x10f75: 82,
+    0x10f76: 68,
+    0x10f77: 68,
+    0x10f78: 68,
+    0x10f79: 68,
+    0x10f7a: 68,
+    0x10f7b: 68,
+    0x10f7c: 68,
+    0x10f7d: 68,
+    0x10f7e: 68,
+    0x10f7f: 68,
+    0x10f80: 68,
+    0x10f81: 68,
+    0x10fb0: 68,
+    0x10fb1: 85,
+    0x10fb2: 68,
+    0x10fb3: 68,
+    0x10fb4: 82,
+    0x10fb5: 82,
+    0x10fb6: 82,
+    0x10fb7: 85,
+    0x10fb8: 68,
+    0x10fb9: 82,
+    0x10fba: 82,
+    0x10fbb: 68,
+    0x10fbc: 68,
+    0x10fbd: 82,
+    0x10fbe: 68,
+    0x10fbf: 68,
+    0x10fc0: 85,
+    0x10fc1: 68,
+    0x10fc2: 82,
+    0x10fc3: 82,
+    0x10fc4: 68,
+    0x10fc5: 85,
+    0x10fc6: 85,
+    0x10fc7: 85,
+    0x10fc8: 85,
+    0x10fc9: 82,
+    0x10fca: 68,
+    0x10fcb: 76,
+    0x110bd: 85,
+    0x110cd: 85,
+    0x1e900: 68,
+    0x1e901: 68,
+    0x1e902: 68,
+    0x1e903: 68,
+    0x1e904: 68,
+    0x1e905: 68,
+    0x1e906: 68,
+    0x1e907: 68,
+    0x1e908: 68,
+    0x1e909: 68,
+    0x1e90a: 68,
+    0x1e90b: 68,
+    0x1e90c: 68,
+    0x1e90d: 68,
+    0x1e90e: 68,
+    0x1e90f: 68,
+    0x1e910: 68,
+    0x1e911: 68,
+    0x1e912: 68,
+    0x1e913: 68,
+    0x1e914: 68,
+    0x1e915: 68,
+    0x1e916: 68,
+    0x1e917: 68,
+    0x1e918: 68,
+    0x1e919: 68,
+    0x1e91a: 68,
+    0x1e91b: 68,
+    0x1e91c: 68,
+    0x1e91d: 68,
+    0x1e91e: 68,
+    0x1e91f: 68,
+    0x1e920: 68,
+    0x1e921: 68,
+    0x1e922: 68,
+    0x1e923: 68,
+    0x1e924: 68,
+    0x1e925: 68,
+    0x1e926: 68,
+    0x1e927: 68,
+    0x1e928: 68,
+    0x1e929: 68,
+    0x1e92a: 68,
+    0x1e92b: 68,
+    0x1e92c: 68,
+    0x1e92d: 68,
+    0x1e92e: 68,
+    0x1e92f: 68,
+    0x1e930: 68,
+    0x1e931: 68,
+    0x1e932: 68,
+    0x1e933: 68,
+    0x1e934: 68,
+    0x1e935: 68,
+    0x1e936: 68,
+    0x1e937: 68,
+    0x1e938: 68,
+    0x1e939: 68,
+    0x1e93a: 68,
+    0x1e93b: 68,
+    0x1e93c: 68,
+    0x1e93d: 68,
+    0x1e93e: 68,
+    0x1e93f: 68,
+    0x1e940: 68,
+    0x1e941: 68,
+    0x1e942: 68,
+    0x1e943: 68,
+    0x1e94b: 84,
+}
+codepoint_classes = {
+    'PVALID': (
+        0x2d0000002e,
+        0x300000003a,
+        0x610000007b,
+        0xdf000000f7,
+        0xf800000100,
+        0x10100000102,
+        0x10300000104,
+        0x10500000106,
+        0x10700000108,
+        0x1090000010a,
+        0x10b0000010c,
+        0x10d0000010e,
+        0x10f00000110,
+        0x11100000112,
+        0x11300000114,
+        0x11500000116,
+        0x11700000118,
+        0x1190000011a,
+        0x11b0000011c,
+        0x11d0000011e,
+        0x11f00000120,
+        0x12100000122,
+        0x12300000124,
+        0x12500000126,
+        0x12700000128,
+        0x1290000012a,
+        0x12b0000012c,
+        0x12d0000012e,
+        0x12f00000130,
+        0x13100000132,
+        0x13500000136,
+        0x13700000139,
+        0x13a0000013b,
+        0x13c0000013d,
+        0x13e0000013f,
+        0x14200000143,
+        0x14400000145,
+        0x14600000147,
+        0x14800000149,
+        0x14b0000014c,
+        0x14d0000014e,
+        0x14f00000150,
+        0x15100000152,
+        0x15300000154,
+        0x15500000156,
+        0x15700000158,
+        0x1590000015a,
+        0x15b0000015c,
+        0x15d0000015e,
+        0x15f00000160,
+        0x16100000162,
+        0x16300000164,
+        0x16500000166,
+        0x16700000168,
+        0x1690000016a,
+        0x16b0000016c,
+        0x16d0000016e,
+        0x16f00000170,
+        0x17100000172,
+        0x17300000174,
+        0x17500000176,
+        0x17700000178,
+        0x17a0000017b,
+        0x17c0000017d,
+        0x17e0000017f,
+        0x18000000181,
+        0x18300000184,
+        0x18500000186,
+        0x18800000189,
+        0x18c0000018e,
+        0x19200000193,
+        0x19500000196,
+        0x1990000019c,
+        0x19e0000019f,
+        0x1a1000001a2,
+        0x1a3000001a4,
+        0x1a5000001a6,
+        0x1a8000001a9,
+        0x1aa000001ac,
+        0x1ad000001ae,
+        0x1b0000001b1,
+        0x1b4000001b5,
+        0x1b6000001b7,
+        0x1b9000001bc,
+        0x1bd000001c4,
+        0x1ce000001cf,
+        0x1d0000001d1,
+        0x1d2000001d3,
+        0x1d4000001d5,
+        0x1d6000001d7,
+        0x1d8000001d9,
+        0x1da000001db,
+        0x1dc000001de,
+        0x1df000001e0,
+        0x1e1000001e2,
+        0x1e3000001e4,
+        0x1e5000001e6,
+        0x1e7000001e8,
+        0x1e9000001ea,
+        0x1eb000001ec,
+        0x1ed000001ee,
+        0x1ef000001f1,
+        0x1f5000001f6,
+        0x1f9000001fa,
+        0x1fb000001fc,
+        0x1fd000001fe,
+        0x1ff00000200,
+        0x20100000202,
+        0x20300000204,
+        0x20500000206,
+        0x20700000208,
+        0x2090000020a,
+        0x20b0000020c,
+        0x20d0000020e,
+        0x20f00000210,
+        0x21100000212,
+        0x21300000214,
+        0x21500000216,
+        0x21700000218,
+        0x2190000021a,
+        0x21b0000021c,
+        0x21d0000021e,
+        0x21f00000220,
+        0x22100000222,
+        0x22300000224,
+        0x22500000226,
+        0x22700000228,
+        0x2290000022a,
+        0x22b0000022c,
+        0x22d0000022e,
+        0x22f00000230,
+        0x23100000232,
+        0x2330000023a,
+        0x23c0000023d,
+        0x23f00000241,
+        0x24200000243,
+        0x24700000248,
+        0x2490000024a,
+        0x24b0000024c,
+        0x24d0000024e,
+        0x24f000002b0,
+        0x2b9000002c2,
+        0x2c6000002d2,
+        0x2ec000002ed,
+        0x2ee000002ef,
+        0x30000000340,
+        0x34200000343,
+        0x3460000034f,
+        0x35000000370,
+        0x37100000372,
+        0x37300000374,
+        0x37700000378,
+        0x37b0000037e,
+        0x39000000391,
+        0x3ac000003cf,
+        0x3d7000003d8,
+        0x3d9000003da,
+        0x3db000003dc,
+        0x3dd000003de,
+        0x3df000003e0,
+        0x3e1000003e2,
+        0x3e3000003e4,
+        0x3e5000003e6,
+        0x3e7000003e8,
+        0x3e9000003ea,
+        0x3eb000003ec,
+        0x3ed000003ee,
+        0x3ef000003f0,
+        0x3f3000003f4,
+        0x3f8000003f9,
+        0x3fb000003fd,
+        0x43000000460,
+        0x46100000462,
+        0x46300000464,
+        0x46500000466,
+        0x46700000468,
+        0x4690000046a,
+        0x46b0000046c,
+        0x46d0000046e,
+        0x46f00000470,
+        0x47100000472,
+        0x47300000474,
+        0x47500000476,
+        0x47700000478,
+        0x4790000047a,
+        0x47b0000047c,
+        0x47d0000047e,
+        0x47f00000480,
+        0x48100000482,
+        0x48300000488,
+        0x48b0000048c,
+        0x48d0000048e,
+        0x48f00000490,
+        0x49100000492,
+        0x49300000494,
+        0x49500000496,
+        0x49700000498,
+        0x4990000049a,
+        0x49b0000049c,
+        0x49d0000049e,
+        0x49f000004a0,
+        0x4a1000004a2,
+        0x4a3000004a4,
+        0x4a5000004a6,
+        0x4a7000004a8,
+        0x4a9000004aa,
+        0x4ab000004ac,
+        0x4ad000004ae,
+        0x4af000004b0,
+        0x4b1000004b2,
+        0x4b3000004b4,
+        0x4b5000004b6,
+        0x4b7000004b8,
+        0x4b9000004ba,
+        0x4bb000004bc,
+        0x4bd000004be,
+        0x4bf000004c0,
+        0x4c2000004c3,
+        0x4c4000004c5,
+        0x4c6000004c7,
+        0x4c8000004c9,
+        0x4ca000004cb,
+        0x4cc000004cd,
+        0x4ce000004d0,
+        0x4d1000004d2,
+        0x4d3000004d4,
+        0x4d5000004d6,
+        0x4d7000004d8,
+        0x4d9000004da,
+        0x4db000004dc,
+        0x4dd000004de,
+        0x4df000004e0,
+        0x4e1000004e2,
+        0x4e3000004e4,
+        0x4e5000004e6,
+        0x4e7000004e8,
+        0x4e9000004ea,
+        0x4eb000004ec,
+        0x4ed000004ee,
+        0x4ef000004f0,
+        0x4f1000004f2,
+        0x4f3000004f4,
+        0x4f5000004f6,
+        0x4f7000004f8,
+        0x4f9000004fa,
+        0x4fb000004fc,
+        0x4fd000004fe,
+        0x4ff00000500,
+        0x50100000502,
+        0x50300000504,
+        0x50500000506,
+        0x50700000508,
+        0x5090000050a,
+        0x50b0000050c,
+        0x50d0000050e,
+        0x50f00000510,
+        0x51100000512,
+        0x51300000514,
+        0x51500000516,
+        0x51700000518,
+        0x5190000051a,
+        0x51b0000051c,
+        0x51d0000051e,
+        0x51f00000520,
+        0x52100000522,
+        0x52300000524,
+        0x52500000526,
+        0x52700000528,
+        0x5290000052a,
+        0x52b0000052c,
+        0x52d0000052e,
+        0x52f00000530,
+        0x5590000055a,
+        0x56000000587,
+        0x58800000589,
+        0x591000005be,
+        0x5bf000005c0,
+        0x5c1000005c3,
+        0x5c4000005c6,
+        0x5c7000005c8,
+        0x5d0000005eb,
+        0x5ef000005f3,
+        0x6100000061b,
+        0x62000000640,
+        0x64100000660,
+        0x66e00000675,
+        0x679000006d4,
+        0x6d5000006dd,
+        0x6df000006e9,
+        0x6ea000006f0,
+        0x6fa00000700,
+        0x7100000074b,
+        0x74d000007b2,
+        0x7c0000007f6,
+        0x7fd000007fe,
+        0x8000000082e,
+        0x8400000085c,
+        0x8600000086b,
+        0x87000000888,
+        0x8890000088f,
+        0x898000008e2,
+        0x8e300000958,
+        0x96000000964,
+        0x96600000970,
+        0x97100000984,
+        0x9850000098d,
+        0x98f00000991,
+        0x993000009a9,
+        0x9aa000009b1,
+        0x9b2000009b3,
+        0x9b6000009ba,
+        0x9bc000009c5,
+        0x9c7000009c9,
+        0x9cb000009cf,
+        0x9d7000009d8,
+        0x9e0000009e4,
+        0x9e6000009f2,
+        0x9fc000009fd,
+        0x9fe000009ff,
+        0xa0100000a04,
+        0xa0500000a0b,
+        0xa0f00000a11,
+        0xa1300000a29,
+        0xa2a00000a31,
+        0xa3200000a33,
+        0xa3500000a36,
+        0xa3800000a3a,
+        0xa3c00000a3d,
+        0xa3e00000a43,
+        0xa4700000a49,
+        0xa4b00000a4e,
+        0xa5100000a52,
+        0xa5c00000a5d,
+        0xa6600000a76,
+        0xa8100000a84,
+        0xa8500000a8e,
+        0xa8f00000a92,
+        0xa9300000aa9,
+        0xaaa00000ab1,
+        0xab200000ab4,
+        0xab500000aba,
+        0xabc00000ac6,
+        0xac700000aca,
+        0xacb00000ace,
+        0xad000000ad1,
+        0xae000000ae4,
+        0xae600000af0,
+        0xaf900000b00,
+        0xb0100000b04,
+        0xb0500000b0d,
+        0xb0f00000b11,
+        0xb1300000b29,
+        0xb2a00000b31,
+        0xb3200000b34,
+        0xb3500000b3a,
+        0xb3c00000b45,
+        0xb4700000b49,
+        0xb4b00000b4e,
+        0xb5500000b58,
+        0xb5f00000b64,
+        0xb6600000b70,
+        0xb7100000b72,
+        0xb8200000b84,
+        0xb8500000b8b,
+        0xb8e00000b91,
+        0xb9200000b96,
+        0xb9900000b9b,
+        0xb9c00000b9d,
+        0xb9e00000ba0,
+        0xba300000ba5,
+        0xba800000bab,
+        0xbae00000bba,
+        0xbbe00000bc3,
+        0xbc600000bc9,
+        0xbca00000bce,
+        0xbd000000bd1,
+        0xbd700000bd8,
+        0xbe600000bf0,
+        0xc0000000c0d,
+        0xc0e00000c11,
+        0xc1200000c29,
+        0xc2a00000c3a,
+        0xc3c00000c45,
+        0xc4600000c49,
+        0xc4a00000c4e,
+        0xc5500000c57,
+        0xc5800000c5b,
+        0xc5d00000c5e,
+        0xc6000000c64,
+        0xc6600000c70,
+        0xc8000000c84,
+        0xc8500000c8d,
+        0xc8e00000c91,
+        0xc9200000ca9,
+        0xcaa00000cb4,
+        0xcb500000cba,
+        0xcbc00000cc5,
+        0xcc600000cc9,
+        0xcca00000cce,
+        0xcd500000cd7,
+        0xcdd00000cdf,
+        0xce000000ce4,
+        0xce600000cf0,
+        0xcf100000cf3,
+        0xd0000000d0d,
+        0xd0e00000d11,
+        0xd1200000d45,
+        0xd4600000d49,
+        0xd4a00000d4f,
+        0xd5400000d58,
+        0xd5f00000d64,
+        0xd6600000d70,
+        0xd7a00000d80,
+        0xd8100000d84,
+        0xd8500000d97,
+        0xd9a00000db2,
+        0xdb300000dbc,
+        0xdbd00000dbe,
+        0xdc000000dc7,
+        0xdca00000dcb,
+        0xdcf00000dd5,
+        0xdd600000dd7,
+        0xdd800000de0,
+        0xde600000df0,
+        0xdf200000df4,
+        0xe0100000e33,
+        0xe3400000e3b,
+        0xe4000000e4f,
+        0xe5000000e5a,
+        0xe8100000e83,
+        0xe8400000e85,
+        0xe8600000e8b,
+        0xe8c00000ea4,
+        0xea500000ea6,
+        0xea700000eb3,
+        0xeb400000ebe,
+        0xec000000ec5,
+        0xec600000ec7,
+        0xec800000ece,
+        0xed000000eda,
+        0xede00000ee0,
+        0xf0000000f01,
+        0xf0b00000f0c,
+        0xf1800000f1a,
+        0xf2000000f2a,
+        0xf3500000f36,
+        0xf3700000f38,
+        0xf3900000f3a,
+        0xf3e00000f43,
+        0xf4400000f48,
+        0xf4900000f4d,
+        0xf4e00000f52,
+        0xf5300000f57,
+        0xf5800000f5c,
+        0xf5d00000f69,
+        0xf6a00000f6d,
+        0xf7100000f73,
+        0xf7400000f75,
+        0xf7a00000f81,
+        0xf8200000f85,
+        0xf8600000f93,
+        0xf9400000f98,
+        0xf9900000f9d,
+        0xf9e00000fa2,
+        0xfa300000fa7,
+        0xfa800000fac,
+        0xfad00000fb9,
+        0xfba00000fbd,
+        0xfc600000fc7,
+        0x10000000104a,
+        0x10500000109e,
+        0x10d0000010fb,
+        0x10fd00001100,
+        0x120000001249,
+        0x124a0000124e,
+        0x125000001257,
+        0x125800001259,
+        0x125a0000125e,
+        0x126000001289,
+        0x128a0000128e,
+        0x1290000012b1,
+        0x12b2000012b6,
+        0x12b8000012bf,
+        0x12c0000012c1,
+        0x12c2000012c6,
+        0x12c8000012d7,
+        0x12d800001311,
+        0x131200001316,
+        0x13180000135b,
+        0x135d00001360,
+        0x138000001390,
+        0x13a0000013f6,
+        0x14010000166d,
+        0x166f00001680,
+        0x16810000169b,
+        0x16a0000016eb,
+        0x16f1000016f9,
+        0x170000001716,
+        0x171f00001735,
+        0x174000001754,
+        0x17600000176d,
+        0x176e00001771,
+        0x177200001774,
+        0x1780000017b4,
+        0x17b6000017d4,
+        0x17d7000017d8,
+        0x17dc000017de,
+        0x17e0000017ea,
+        0x18100000181a,
+        0x182000001879,
+        0x1880000018ab,
+        0x18b0000018f6,
+        0x19000000191f,
+        0x19200000192c,
+        0x19300000193c,
+        0x19460000196e,
+        0x197000001975,
+        0x1980000019ac,
+        0x19b0000019ca,
+        0x19d0000019da,
+        0x1a0000001a1c,
+        0x1a2000001a5f,
+        0x1a6000001a7d,
+        0x1a7f00001a8a,
+        0x1a9000001a9a,
+        0x1aa700001aa8,
+        0x1ab000001abe,
+        0x1abf00001acf,
+        0x1b0000001b4d,
+        0x1b5000001b5a,
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+        0x1bc800001bc89,
+        0x1bc900001bc9a,
+        0x1bc9d0001bc9f,
+        0x1cf000001cf2e,
+        0x1cf300001cf47,
+        0x1da000001da37,
+        0x1da3b0001da6d,
+        0x1da750001da76,
+        0x1da840001da85,
+        0x1da9b0001daa0,
+        0x1daa10001dab0,
+        0x1df000001df1f,
+        0x1e0000001e007,
+        0x1e0080001e019,
+        0x1e01b0001e022,
+        0x1e0230001e025,
+        0x1e0260001e02b,
+        0x1e1000001e12d,
+        0x1e1300001e13e,
+        0x1e1400001e14a,
+        0x1e14e0001e14f,
+        0x1e2900001e2af,
+        0x1e2c00001e2fa,
+        0x1e7e00001e7e7,
+        0x1e7e80001e7ec,
+        0x1e7ed0001e7ef,
+        0x1e7f00001e7ff,
+        0x1e8000001e8c5,
+        0x1e8d00001e8d7,
+        0x1e9220001e94c,
+        0x1e9500001e95a,
+        0x1fbf00001fbfa,
+        0x200000002a6e0,
+        0x2a7000002b739,
+        0x2b7400002b81e,
+        0x2b8200002cea2,
+        0x2ceb00002ebe1,
+        0x300000003134b,
+    ),
+    'CONTEXTJ': (
+        0x200c0000200e,
+    ),
+    'CONTEXTO': (
+        0xb7000000b8,
+        0x37500000376,
+        0x5f3000005f5,
+        0x6600000066a,
+        0x6f0000006fa,
+        0x30fb000030fc,
+    ),
+}

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/idna/intranges.py

@@ -0,0 +1,54 @@
+"""
+Given a list of integers, made up of (hopefully) a small number of long runs
+of consecutive integers, compute a representation of the form
+((start1, end1), (start2, end2) ...). Then answer the question "was x present
+in the original list?" in time O(log(# runs)).
+"""
+
+import bisect
+from typing import List, Tuple
+
+def intranges_from_list(list_: List[int]) -> Tuple[int, ...]:
+    """Represent a list of integers as a sequence of ranges:
+    ((start_0, end_0), (start_1, end_1), ...), such that the original
+    integers are exactly those x such that start_i <= x < end_i for some i.
+
+    Ranges are encoded as single integers (start << 32 | end), not as tuples.
+    """
+
+    sorted_list = sorted(list_)
+    ranges = []
+    last_write = -1
+    for i in range(len(sorted_list)):
+        if i+1 < len(sorted_list):
+            if sorted_list[i] == sorted_list[i+1]-1:
+                continue
+        current_range = sorted_list[last_write+1:i+1]
+        ranges.append(_encode_range(current_range[0], current_range[-1] + 1))
+        last_write = i
+
+    return tuple(ranges)
+
+def _encode_range(start: int, end: int) -> int:
+    return (start << 32) | end
+
+def _decode_range(r: int) -> Tuple[int, int]:
+    return (r >> 32), (r & ((1 << 32) - 1))
+
+
+def intranges_contain(int_: int, ranges: Tuple[int, ...]) -> bool:
+    """Determine if `int_` falls into one of the ranges in `ranges`."""
+    tuple_ = _encode_range(int_, 0)
+    pos = bisect.bisect_left(ranges, tuple_)
+    # we could be immediately ahead of a tuple (start, end)
+    # with start < int_ <= end
+    if pos > 0:
+        left, right = _decode_range(ranges[pos-1])
+        if left <= int_ < right:
+            return True
+    # or we could be immediately behind a tuple (int_, end)
+    if pos < len(ranges):
+        left, _ = _decode_range(ranges[pos])
+        if left == int_:
+            return True
+    return False

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/idna/package_data.py

@@ -0,0 +1,2 @@
+__version__ = '3.3'
+

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/__init__.py

@@ -0,0 +1,6 @@
+"""Wrappers to build Python packages using PEP 517 hooks
+"""
+
+__version__ = '0.12.0'
+
+from .wrappers import *  # noqa: F401, F403

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/build.py

@@ -0,0 +1,127 @@
+"""Build a project using PEP 517 hooks.
+"""
+import argparse
+import io
+import logging
+import os
+import shutil
+
+from .envbuild import BuildEnvironment
+from .wrappers import Pep517HookCaller
+from .dirtools import tempdir, mkdir_p
+from .compat import FileNotFoundError, toml_load
+
+log = logging.getLogger(__name__)
+
+
+def validate_system(system):
+    """
+    Ensure build system has the requisite fields.
+    """
+    required = {'requires', 'build-backend'}
+    if not (required <= set(system)):
+        message = "Missing required fields: {missing}".format(
+            missing=required-set(system),
+        )
+        raise ValueError(message)
+
+
+def load_system(source_dir):
+    """
+    Load the build system from a source dir (pyproject.toml).
+    """
+    pyproject = os.path.join(source_dir, 'pyproject.toml')
+    with io.open(pyproject, 'rb') as f:
+        pyproject_data = toml_load(f)
+    return pyproject_data['build-system']
+
+
+def compat_system(source_dir):
+    """
+    Given a source dir, attempt to get a build system backend
+    and requirements from pyproject.toml. Fallback to
+    setuptools but only if the file was not found or a build
+    system was not indicated.
+    """
+    try:
+        system = load_system(source_dir)
+    except (FileNotFoundError, KeyError):
+        system = {}
+    system.setdefault(
+        'build-backend',
+        'setuptools.build_meta:__legacy__',
+    )
+    system.setdefault('requires', ['setuptools', 'wheel'])
+    return system
+
+
+def _do_build(hooks, env, dist, dest):
+    get_requires_name = 'get_requires_for_build_{dist}'.format(**locals())
+    get_requires = getattr(hooks, get_requires_name)
+    reqs = get_requires({})
+    log.info('Got build requires: %s', reqs)
+
+    env.pip_install(reqs)
+    log.info('Installed dynamic build dependencies')
+
+    with tempdir() as td:
+        log.info('Trying to build %s in %s', dist, td)
+        build_name = 'build_{dist}'.format(**locals())
+        build = getattr(hooks, build_name)
+        filename = build(td, {})
+        source = os.path.join(td, filename)
+        shutil.move(source, os.path.join(dest, os.path.basename(filename)))
+
+
+def build(source_dir, dist, dest=None, system=None):
+    system = system or load_system(source_dir)
+    dest = os.path.join(source_dir, dest or 'dist')
+    mkdir_p(dest)
+
+    validate_system(system)
+    hooks = Pep517HookCaller(
+        source_dir, system['build-backend'], system.get('backend-path')
+    )
+
+    with BuildEnvironment() as env:
+        env.pip_install(system['requires'])
+        _do_build(hooks, env, dist, dest)
+
+
+parser = argparse.ArgumentParser()
+parser.add_argument(
+    'source_dir',
+    help="A directory containing pyproject.toml",
+)
+parser.add_argument(
+    '--binary', '-b',
+    action='store_true',
+    default=False,
+)
+parser.add_argument(
+    '--source', '-s',
+    action='store_true',
+    default=False,
+)
+parser.add_argument(
+    '--out-dir', '-o',
+    help="Destination in which to save the builds relative to source dir",
+)
+
+
+def main(args):
+    log.warning('pep517.build is deprecated. '
+                'Consider switching to https://pypi.org/project/build/')
+
+    # determine which dists to build
+    dists = list(filter(None, (
+        'sdist' if args.source or not args.binary else None,
+        'wheel' if args.binary or not args.source else None,
+    )))
+
+    for dist in dists:
+        build(args.source_dir, dist, args.out_dir)
+
+
+if __name__ == '__main__':
+    main(parser.parse_args())

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/check.py

@@ -0,0 +1,207 @@
+"""Check a project and backend by attempting to build using PEP 517 hooks.
+"""
+import argparse
+import io
+import logging
+import os
+from os.path import isfile, join as pjoin
+import shutil
+from subprocess import CalledProcessError
+import sys
+import tarfile
+from tempfile import mkdtemp
+import zipfile
+
+from .colorlog import enable_colourful_output
+from .compat import TOMLDecodeError, toml_load
+from .envbuild import BuildEnvironment
+from .wrappers import Pep517HookCaller
+
+log = logging.getLogger(__name__)
+
+
+def check_build_sdist(hooks, build_sys_requires):
+    with BuildEnvironment() as env:
+        try:
+            env.pip_install(build_sys_requires)
+            log.info('Installed static build dependencies')
+        except CalledProcessError:
+            log.error('Failed to install static build dependencies')
+            return False
+
+        try:
+            reqs = hooks.get_requires_for_build_sdist({})
+            log.info('Got build requires: %s', reqs)
+        except Exception:
+            log.error('Failure in get_requires_for_build_sdist', exc_info=True)
+            return False
+
+        try:
+            env.pip_install(reqs)
+            log.info('Installed dynamic build dependencies')
+        except CalledProcessError:
+            log.error('Failed to install dynamic build dependencies')
+            return False
+
+        td = mkdtemp()
+        log.info('Trying to build sdist in %s', td)
+        try:
+            try:
+                filename = hooks.build_sdist(td, {})
+                log.info('build_sdist returned %r', filename)
+            except Exception:
+                log.info('Failure in build_sdist', exc_info=True)
+                return False
+
+            if not filename.endswith('.tar.gz'):
+                log.error(
+                    "Filename %s doesn't have .tar.gz extension", filename)
+                return False
+
+            path = pjoin(td, filename)
+            if isfile(path):
+                log.info("Output file %s exists", path)
+            else:
+                log.error("Output file %s does not exist", path)
+                return False
+
+            if tarfile.is_tarfile(path):
+                log.info("Output file is a tar file")
+            else:
+                log.error("Output file is not a tar file")
+                return False
+
+        finally:
+            shutil.rmtree(td)
+
+        return True
+
+
+def check_build_wheel(hooks, build_sys_requires):
+    with BuildEnvironment() as env:
+        try:
+            env.pip_install(build_sys_requires)
+            log.info('Installed static build dependencies')
+        except CalledProcessError:
+            log.error('Failed to install static build dependencies')
+            return False
+
+        try:
+            reqs = hooks.get_requires_for_build_wheel({})
+            log.info('Got build requires: %s', reqs)
+        except Exception:
+            log.error('Failure in get_requires_for_build_sdist', exc_info=True)
+            return False
+
+        try:
+            env.pip_install(reqs)
+            log.info('Installed dynamic build dependencies')
+        except CalledProcessError:
+            log.error('Failed to install dynamic build dependencies')
+            return False
+
+        td = mkdtemp()
+        log.info('Trying to build wheel in %s', td)
+        try:
+            try:
+                filename = hooks.build_wheel(td, {})
+                log.info('build_wheel returned %r', filename)
+            except Exception:
+                log.info('Failure in build_wheel', exc_info=True)
+                return False
+
+            if not filename.endswith('.whl'):
+                log.error("Filename %s doesn't have .whl extension", filename)
+                return False
+
+            path = pjoin(td, filename)
+            if isfile(path):
+                log.info("Output file %s exists", path)
+            else:
+                log.error("Output file %s does not exist", path)
+                return False
+
+            if zipfile.is_zipfile(path):
+                log.info("Output file is a zip file")
+            else:
+                log.error("Output file is not a zip file")
+                return False
+
+        finally:
+            shutil.rmtree(td)
+
+        return True
+
+
+def check(source_dir):
+    pyproject = pjoin(source_dir, 'pyproject.toml')
+    if isfile(pyproject):
+        log.info('Found pyproject.toml')
+    else:
+        log.error('Missing pyproject.toml')
+        return False
+
+    try:
+        with io.open(pyproject, 'rb') as f:
+            pyproject_data = toml_load(f)
+        # Ensure the mandatory data can be loaded
+        buildsys = pyproject_data['build-system']
+        requires = buildsys['requires']
+        backend = buildsys['build-backend']
+        backend_path = buildsys.get('backend-path')
+        log.info('Loaded pyproject.toml')
+    except (TOMLDecodeError, KeyError):
+        log.error("Invalid pyproject.toml", exc_info=True)
+        return False
+
+    hooks = Pep517HookCaller(source_dir, backend, backend_path)
+
+    sdist_ok = check_build_sdist(hooks, requires)
+    wheel_ok = check_build_wheel(hooks, requires)
+
+    if not sdist_ok:
+        log.warning('Sdist checks failed; scroll up to see')
+    if not wheel_ok:
+        log.warning('Wheel checks failed')
+
+    return sdist_ok
+
+
+def main(argv=None):
+    log.warning('pep517.check is deprecated. '
+                'Consider switching to https://pypi.org/project/build/')
+
+    ap = argparse.ArgumentParser()
+    ap.add_argument(
+        'source_dir',
+        help="A directory containing pyproject.toml")
+    args = ap.parse_args(argv)
+
+    enable_colourful_output()
+
+    ok = check(args.source_dir)
+
+    if ok:
+        print(ansi('Checks passed', 'green'))
+    else:
+        print(ansi('Checks failed', 'red'))
+        sys.exit(1)
+
+
+ansi_codes = {
+    'reset': '\x1b[0m',
+    'bold': '\x1b[1m',
+    'red': '\x1b[31m',
+    'green': '\x1b[32m',
+}
+
+
+def ansi(s, attr):
+    if os.name != 'nt' and sys.stdout.isatty():
+        return ansi_codes[attr] + str(s) + ansi_codes['reset']
+    else:
+        return str(s)
+
+
+if __name__ == '__main__':
+    main()

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/colorlog.py

@@ -0,0 +1,115 @@
+"""Nicer log formatting with colours.
+
+Code copied from Tornado, Apache licensed.
+"""
+# Copyright 2012 Facebook
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import logging
+import sys
+
+try:
+    import curses
+except ImportError:
+    curses = None
+
+
+def _stderr_supports_color():
+    color = False
+    if curses and hasattr(sys.stderr, 'isatty') and sys.stderr.isatty():
+        try:
+            curses.setupterm()
+            if curses.tigetnum("colors") > 0:
+                color = True
+        except Exception:
+            pass
+    return color
+
+
+class LogFormatter(logging.Formatter):
+    """Log formatter with colour support
+    """
+    DEFAULT_COLORS = {
+        logging.INFO: 2,  # Green
+        logging.WARNING: 3,  # Yellow
+        logging.ERROR: 1,  # Red
+        logging.CRITICAL: 1,
+    }
+
+    def __init__(self, color=True, datefmt=None):
+        r"""
+        :arg bool color: Enables color support.
+        :arg string fmt: Log message format.
+        It will be applied to the attributes dict of log records. The
+        text between ``%(color)s`` and ``%(end_color)s`` will be colored
+        depending on the level if color support is on.
+        :arg dict colors: color mappings from logging level to terminal color
+        code
+        :arg string datefmt: Datetime format.
+        Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``.
+        .. versionchanged:: 3.2
+        Added ``fmt`` and ``datefmt`` arguments.
+        """
+        logging.Formatter.__init__(self, datefmt=datefmt)
+        self._colors = {}
+        if color and _stderr_supports_color():
+            # The curses module has some str/bytes confusion in
+            # python3. Until version 3.2.3, most methods return
+            # bytes, but only accept strings. In addition, we want to
+            # output these strings with the logging module, which
+            # works with unicode strings. The explicit calls to
+            # unicode() below are harmless in python2 but will do the
+            # right conversion in python 3.
+            fg_color = (curses.tigetstr("setaf") or
+                        curses.tigetstr("setf") or "")
+            if (3, 0) < sys.version_info < (3, 2, 3):
+                fg_color = str(fg_color, "ascii")
+
+            for levelno, code in self.DEFAULT_COLORS.items():
+                self._colors[levelno] = str(
+                    curses.tparm(fg_color, code), "ascii")
+            self._normal = str(curses.tigetstr("sgr0"), "ascii")
+
+            scr = curses.initscr()
+            self.termwidth = scr.getmaxyx()[1]
+            curses.endwin()
+        else:
+            self._normal = ''
+            # Default width is usually 80, but too wide is
+            # worse than too narrow
+            self.termwidth = 70
+
+    def formatMessage(self, record):
+        mlen = len(record.message)
+        right_text = '{initial}-{name}'.format(initial=record.levelname[0],
+                                               name=record.name)
+        if mlen + len(right_text) < self.termwidth:
+            space = ' ' * (self.termwidth - (mlen + len(right_text)))
+        else:
+            space = '  '
+
+        if record.levelno in self._colors:
+            start_color = self._colors[record.levelno]
+            end_color = self._normal
+        else:
+            start_color = end_color = ''
+
+        return record.message + space + start_color + right_text + end_color
+
+
+def enable_colourful_output(level=logging.INFO):
+    handler = logging.StreamHandler()
+    handler.setFormatter(LogFormatter())
+    logging.root.addHandler(handler)
+    logging.root.setLevel(level)

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/compat.py

@@ -0,0 +1,51 @@
+"""Python 2/3 compatibility"""
+import io
+import json
+import sys
+
+
+# Handle reading and writing JSON in UTF-8, on Python 3 and 2.
+
+if sys.version_info[0] >= 3:
+    # Python 3
+    def write_json(obj, path, **kwargs):
+        with open(path, 'w', encoding='utf-8') as f:
+            json.dump(obj, f, **kwargs)
+
+    def read_json(path):
+        with open(path, 'r', encoding='utf-8') as f:
+            return json.load(f)
+
+else:
+    # Python 2
+    def write_json(obj, path, **kwargs):
+        with open(path, 'wb') as f:
+            json.dump(obj, f, encoding='utf-8', **kwargs)
+
+    def read_json(path):
+        with open(path, 'rb') as f:
+            return json.load(f)
+
+
+# FileNotFoundError
+
+try:
+    FileNotFoundError = FileNotFoundError
+except NameError:
+    FileNotFoundError = IOError
+
+
+if sys.version_info < (3, 6):
+    from toml import load as _toml_load  # noqa: F401
+
+    def toml_load(f):
+        w = io.TextIOWrapper(f, encoding="utf8", newline="")
+        try:
+            return _toml_load(w)
+        finally:
+            w.detach()
+
+    from toml import TomlDecodeError as TOMLDecodeError  # noqa: F401
+else:
+    from pip._vendor.tomli import load as toml_load  # noqa: F401
+    from pip._vendor.tomli import TOMLDecodeError  # noqa: F401

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/dirtools.py

@@ -0,0 +1,44 @@
+import os
+import io
+import contextlib
+import tempfile
+import shutil
+import errno
+import zipfile
+
+
+@contextlib.contextmanager
+def tempdir():
+    """Create a temporary directory in a context manager."""
+    td = tempfile.mkdtemp()
+    try:
+        yield td
+    finally:
+        shutil.rmtree(td)
+
+
+def mkdir_p(*args, **kwargs):
+    """Like `mkdir`, but does not raise an exception if the
+    directory already exists.
+    """
+    try:
+        return os.mkdir(*args, **kwargs)
+    except OSError as exc:
+        if exc.errno != errno.EEXIST:
+            raise
+
+
+def dir_to_zipfile(root):
+    """Construct an in-memory zip file for a directory."""
+    buffer = io.BytesIO()
+    zip_file = zipfile.ZipFile(buffer, 'w')
+    for root, dirs, files in os.walk(root):
+        for path in dirs:
+            fs_path = os.path.join(root, path)
+            rel_path = os.path.relpath(fs_path, root)
+            zip_file.writestr(rel_path + '/', '')
+        for path in files:
+            fs_path = os.path.join(root, path)
+            rel_path = os.path.relpath(fs_path, root)
+            zip_file.write(fs_path, rel_path)
+    return zip_file

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/envbuild.py

@@ -0,0 +1,171 @@
+"""Build wheels/sdists by installing build deps to a temporary environment.
+"""
+
+import io
+import os
+import logging
+import shutil
+from subprocess import check_call
+import sys
+from sysconfig import get_paths
+from tempfile import mkdtemp
+
+from .compat import toml_load
+from .wrappers import Pep517HookCaller, LoggerWrapper
+
+log = logging.getLogger(__name__)
+
+
+def _load_pyproject(source_dir):
+    with io.open(
+            os.path.join(source_dir, 'pyproject.toml'),
+            'rb',
+            ) as f:
+        pyproject_data = toml_load(f)
+    buildsys = pyproject_data['build-system']
+    return (
+        buildsys['requires'],
+        buildsys['build-backend'],
+        buildsys.get('backend-path'),
+    )
+
+
+class BuildEnvironment(object):
+    """Context manager to install build deps in a simple temporary environment
+
+    Based on code I wrote for pip, which is MIT licensed.
+    """
+    # Copyright (c) 2008-2016 The pip developers (see AUTHORS.txt file)
+    #
+    # Permission is hereby granted, free of charge, to any person obtaining
+    # a copy of this software and associated documentation files (the
+    # "Software"), to deal in the Software without restriction, including
+    # without limitation the rights to use, copy, modify, merge, publish,
+    # distribute, sublicense, and/or sell copies of the Software, and to
+    # permit persons to whom the Software is furnished to do so, subject to
+    # the following conditions:
+    #
+    # The above copyright notice and this permission notice shall be
+    # included in all copies or substantial portions of the Software.
+    #
+    # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+    # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+    # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+    # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+    # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+    path = None
+
+    def __init__(self, cleanup=True):
+        self._cleanup = cleanup
+
+    def __enter__(self):
+        self.path = mkdtemp(prefix='pep517-build-env-')
+        log.info('Temporary build environment: %s', self.path)
+
+        self.save_path = os.environ.get('PATH', None)
+        self.save_pythonpath = os.environ.get('PYTHONPATH', None)
+
+        install_scheme = 'nt' if (os.name == 'nt') else 'posix_prefix'
+        install_dirs = get_paths(install_scheme, vars={
+            'base': self.path,
+            'platbase': self.path,
+        })
+
+        scripts = install_dirs['scripts']
+        if self.save_path:
+            os.environ['PATH'] = scripts + os.pathsep + self.save_path
+        else:
+            os.environ['PATH'] = scripts + os.pathsep + os.defpath
+
+        if install_dirs['purelib'] == install_dirs['platlib']:
+            lib_dirs = install_dirs['purelib']
+        else:
+            lib_dirs = install_dirs['purelib'] + os.pathsep + \
+                install_dirs['platlib']
+        if self.save_pythonpath:
+            os.environ['PYTHONPATH'] = lib_dirs + os.pathsep + \
+                self.save_pythonpath
+        else:
+            os.environ['PYTHONPATH'] = lib_dirs
+
+        return self
+
+    def pip_install(self, reqs):
+        """Install dependencies into this env by calling pip in a subprocess"""
+        if not reqs:
+            return
+        log.info('Calling pip to install %s', reqs)
+        cmd = [
+            sys.executable, '-m', 'pip', 'install', '--ignore-installed',
+            '--prefix', self.path] + list(reqs)
+        check_call(
+            cmd,
+            stdout=LoggerWrapper(log, logging.INFO),
+            stderr=LoggerWrapper(log, logging.ERROR),
+        )
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        needs_cleanup = (
+            self._cleanup and
+            self.path is not None and
+            os.path.isdir(self.path)
+        )
+        if needs_cleanup:
+            shutil.rmtree(self.path)
+
+        if self.save_path is None:
+            os.environ.pop('PATH', None)
+        else:
+            os.environ['PATH'] = self.save_path
+
+        if self.save_pythonpath is None:
+            os.environ.pop('PYTHONPATH', None)
+        else:
+            os.environ['PYTHONPATH'] = self.save_pythonpath
+
+
+def build_wheel(source_dir, wheel_dir, config_settings=None):
+    """Build a wheel from a source directory using PEP 517 hooks.
+
+    :param str source_dir: Source directory containing pyproject.toml
+    :param str wheel_dir: Target directory to create wheel in
+    :param dict config_settings: Options to pass to build backend
+
+    This is a blocking function which will run pip in a subprocess to install
+    build requirements.
+    """
+    if config_settings is None:
+        config_settings = {}
+    requires, backend, backend_path = _load_pyproject(source_dir)
+    hooks = Pep517HookCaller(source_dir, backend, backend_path)
+
+    with BuildEnvironment() as env:
+        env.pip_install(requires)
+        reqs = hooks.get_requires_for_build_wheel(config_settings)
+        env.pip_install(reqs)
+        return hooks.build_wheel(wheel_dir, config_settings)
+
+
+def build_sdist(source_dir, sdist_dir, config_settings=None):
+    """Build an sdist from a source directory using PEP 517 hooks.
+
+    :param str source_dir: Source directory containing pyproject.toml
+    :param str sdist_dir: Target directory to place sdist in
+    :param dict config_settings: Options to pass to build backend
+
+    This is a blocking function which will run pip in a subprocess to install
+    build requirements.
+    """
+    if config_settings is None:
+        config_settings = {}
+    requires, backend, backend_path = _load_pyproject(source_dir)
+    hooks = Pep517HookCaller(source_dir, backend, backend_path)
+
+    with BuildEnvironment() as env:
+        env.pip_install(requires)
+        reqs = hooks.get_requires_for_build_sdist(config_settings)
+        env.pip_install(reqs)
+        return hooks.build_sdist(sdist_dir, config_settings)

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/__init__.py

@@ -0,0 +1,17 @@
+"""This is a subpackage because the directory is on sys.path for _in_process.py
+
+The subpackage should stay as empty as possible to avoid shadowing modules that
+the backend might import.
+"""
+from os.path import dirname, abspath, join as pjoin
+from contextlib import contextmanager
+
+try:
+    import importlib.resources as resources
+
+    def _in_proc_script_path():
+        return resources.path(__package__, '_in_process.py')
+except ImportError:
+    @contextmanager
+    def _in_proc_script_path():
+        yield pjoin(dirname(abspath(__file__)), '_in_process.py')

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/meta.py

@@ -0,0 +1,92 @@
+"""Build metadata for a project using PEP 517 hooks.
+"""
+import argparse
+import logging
+import os
+import shutil
+import functools
+
+try:
+    import importlib.metadata as imp_meta
+except ImportError:
+    import importlib_metadata as imp_meta
+
+try:
+    from zipfile import Path
+except ImportError:
+    from zipp import Path
+
+from .envbuild import BuildEnvironment
+from .wrappers import Pep517HookCaller, quiet_subprocess_runner
+from .dirtools import tempdir, mkdir_p, dir_to_zipfile
+from .build import validate_system, load_system, compat_system
+
+log = logging.getLogger(__name__)
+
+
+def _prep_meta(hooks, env, dest):
+    reqs = hooks.get_requires_for_build_wheel({})
+    log.info('Got build requires: %s', reqs)
+
+    env.pip_install(reqs)
+    log.info('Installed dynamic build dependencies')
+
+    with tempdir() as td:
+        log.info('Trying to build metadata in %s', td)
+        filename = hooks.prepare_metadata_for_build_wheel(td, {})
+        source = os.path.join(td, filename)
+        shutil.move(source, os.path.join(dest, os.path.basename(filename)))
+
+
+def build(source_dir='.', dest=None, system=None):
+    system = system or load_system(source_dir)
+    dest = os.path.join(source_dir, dest or 'dist')
+    mkdir_p(dest)
+    validate_system(system)
+    hooks = Pep517HookCaller(
+        source_dir, system['build-backend'], system.get('backend-path')
+    )
+
+    with hooks.subprocess_runner(quiet_subprocess_runner):
+        with BuildEnvironment() as env:
+            env.pip_install(system['requires'])
+            _prep_meta(hooks, env, dest)
+
+
+def build_as_zip(builder=build):
+    with tempdir() as out_dir:
+        builder(dest=out_dir)
+        return dir_to_zipfile(out_dir)
+
+
+def load(root):
+    """
+    Given a source directory (root) of a package,
+    return an importlib.metadata.Distribution object
+    with metadata build from that package.
+    """
+    root = os.path.expanduser(root)
+    system = compat_system(root)
+    builder = functools.partial(build, source_dir=root, system=system)
+    path = Path(build_as_zip(builder))
+    return imp_meta.PathDistribution(path)
+
+
+parser = argparse.ArgumentParser()
+parser.add_argument(
+    'source_dir',
+    help="A directory containing pyproject.toml",
+)
+parser.add_argument(
+    '--out-dir', '-o',
+    help="Destination in which to save the builds relative to source dir",
+)
+
+
+def main():
+    args = parser.parse_args()
+    build(args.source_dir, args.out_dir)
+
+
+if __name__ == '__main__':
+    main()

scripts/myenv/lib/python3.10/site-packages/pip/_vendor/pep517/wrappers.py

@@ -0,0 +1,375 @@
+import threading
+from contextlib import contextmanager
+import os
+from os.path import abspath, join as pjoin
+import shutil
+from subprocess import check_call, check_output, STDOUT
+import sys
+from tempfile import mkdtemp
+
+from . import compat
+from .in_process import _in_proc_script_path
+
+__all__ = [
+    'BackendUnavailable',
+    'BackendInvalid',
+    'HookMissing',
+    'UnsupportedOperation',
+    'default_subprocess_runner',
+    'quiet_subprocess_runner',
+    'Pep517HookCaller',
+]
+
+
+@contextmanager
+def tempdir():
+    td = mkdtemp()
+    try:
+        yield td
+    finally:
+        shutil.rmtree(td)
+
+
+class BackendUnavailable(Exception):
+    """Will be raised if the backend cannot be imported in the hook process."""
+    def __init__(self, traceback):
+        self.traceback = traceback
+
+
+class BackendInvalid(Exception):
+    """Will be raised if the backend is invalid."""
+    def __init__(self, backend_name, backend_path, message):
+        self.backend_name = backend_name
+        self.backend_path = backend_path
+        self.message = message
+
+
+class HookMissing(Exception):
+    """Will be raised on missing hooks."""
+    def __init__(self, hook_name):
+        super(HookMissing, self).__init__(hook_name)
+        self.hook_name = hook_name
+
+
+class UnsupportedOperation(Exception):
+    """May be raised by build_sdist if the backend indicates that it can't."""
+    def __init__(self, traceback):
+        self.traceback = traceback
+
+
+def default_subprocess_runner(cmd, cwd=None, extra_environ=None):
+    """The default method of calling the wrapper subprocess."""
+    env = os.environ.copy()
+    if extra_environ:
+        env.update(extra_environ)
+
+    check_call(cmd, cwd=cwd, env=env)
+
+
+def quiet_subprocess_runner(cmd, cwd=None, extra_environ=None):
+    """A method of calling the wrapper subprocess while suppressing output."""
+    env = os.environ.copy()
+    if extra_environ:
+        env.update(extra_environ)
+
+    check_output(cmd, cwd=cwd, env=env, stderr=STDOUT)
+
+
+def norm_and_check(source_tree, requested):
+    """Normalise and check a backend path.
+
+    Ensure that the requested backend path is specified as a relative path,
+    and resolves to a location under the given source tree.
+
+    Return an absolute version of the requested path.
+    """
+    if os.path.isabs(requested):
+        raise ValueError("paths must be relative")
+
+    abs_source = os.path.abspath(source_tree)
+    abs_requested = os.path.normpath(os.path.join(abs_source, requested))
+    # We have to use commonprefix for Python 2.7 compatibility. So we
+    # normalise case to avoid problems because commonprefix is a character
+    # based comparison :-(
+    norm_source = os.path.normcase(abs_source)
+    norm_requested = os.path.normcase(abs_requested)
+    if os.path.commonprefix([norm_source, norm_requested]) != norm_source:
+        raise ValueError("paths must be inside source tree")
+
+    return abs_requested
+
+
+class Pep517HookCaller(object):
+    """A wrapper around a source directory to be built with a PEP 517 backend.
+
+    :param source_dir: The path to the source directory, containing
+        pyproject.toml.
+    :param build_backend: The build backend spec, as per PEP 517, from
+        pyproject.toml.
+    :param backend_path: The backend path, as per PEP 517, from pyproject.toml.
+    :param runner: A callable that invokes the wrapper subprocess.
+    :param python_executable: The Python executable used to invoke the backend
+
+    The 'runner', if provided, must expect the following:
+
+    - cmd: a list of strings representing the command and arguments to
+      execute, as would be passed to e.g. 'subprocess.check_call'.
+    - cwd: a string representing the working directory that must be
+      used for the subprocess. Corresponds to the provided source_dir.
+    - extra_environ: a dict mapping environment variable names to values
+      which must be set for the subprocess execution.
+    """
+    def __init__(
+            self,
+            source_dir,
+            build_backend,
+            backend_path=None,
+            runner=None,
+            python_executable=None,
+    ):
+        if runner is None:
+            runner = default_subprocess_runner
+
+        self.source_dir = abspath(source_dir)
+        self.build_backend = build_backend
+        if backend_path:
+            backend_path = [
+                norm_and_check(self.source_dir, p) for p in backend_path
+            ]
+        self.backend_path = backend_path
+        self._subprocess_runner = runner
+        if not python_executable:
+            python_executable = sys.executable
+        self.python_executable = python_executable
+
+    @contextmanager
+    def subprocess_runner(self, runner):
+        """A context manager for temporarily overriding the default subprocess
+        runner.
+        """
+        prev = self._subprocess_runner
+        self._subprocess_runner = runner
+        try:
+            yield
+        finally:
+            self._subprocess_runner = prev
+
+    def _supported_features(self):
+        """Return the list of optional features supported by the backend."""
+        return self._call_hook('_supported_features', {})
+
+    def get_requires_for_build_wheel(self, config_settings=None):
+        """Identify packages required for building a wheel
+
+        Returns a list of dependency specifications, e.g.::
+
+            ["wheel >= 0.25", "setuptools"]
+
+        This does not include requirements specified in pyproject.toml.
+        It returns the result of calling the equivalently named hook in a
+        subprocess.
+        """
+        return self._call_hook('get_requires_for_build_wheel', {
+            'config_settings': config_settings
+        })
+
+    def prepare_metadata_for_build_wheel(
+            self, metadata_directory, config_settings=None,
+            _allow_fallback=True):
+        """Prepare a ``*.dist-info`` folder with metadata for this project.
+
+        Returns the name of the newly created folder.
+
+        If the build backend defines a hook with this name, it will be called
+        in a subprocess. If not, the backend will be asked to build a wheel,
+        and the dist-info extracted from that (unless _allow_fallback is
+        False).
+        """
+        return self._call_hook('prepare_metadata_for_build_wheel', {
+            'metadata_directory': abspath(metadata_directory),
+            'config_settings': config_settings,
+            '_allow_fallback': _allow_fallback,
+        })
+
+    def build_wheel(
+            self, wheel_directory, config_settings=None,
+            metadata_directory=None):
+        """Build a wheel from this project.
+
+        Returns the name of the newly created file.
+
+        In general, this will call the 'build_wheel' hook in the backend.
+        However, if that was previously called by
+        'prepare_metadata_for_build_wheel', and the same metadata_directory is
+        used, the previously built wheel will be copied to wheel_directory.
+        """
+        if metadata_directory is not None:
+            metadata_directory = abspath(metadata_directory)
+        return self._call_hook('build_wheel', {
+            'wheel_directory': abspath(wheel_directory),
+            'config_settings': config_settings,
+            'metadata_directory': metadata_directory,
+        })
+
+    def get_requires_for_build_editable(self, config_settings=None):
+        """Identify packages required for building an editable wheel
+
+        Returns a list of dependency specifications, e.g.::
+
+            ["wheel >= 0.25", "setuptools"]
+
+        This does not include requirements specified in pyproject.toml.
+        It returns the result of calling the equivalently named hook in a
+        subprocess.
+        """
+        return self._call_hook('get_requires_for_build_editable', {
+            'config_settings': config_settings
+        })
+
+    def prepare_metadata_for_build_editable(
+            self, metadata_directory, config_settings=None,
+            _allow_fallback=True):
+        """Prepare a ``*.dist-info`` folder with metadata for this project.
+
+        Returns the name of the newly created folder.
+
+        If the build backend defines a hook with this name, it will be called
+        in a subprocess. If not, the backend will be asked to build an editable
+        wheel, and the dist-info extracted from that (unless _allow_fallback is
+        False).
+        """
+        return self._call_hook('prepare_metadata_for_build_editable', {
+            'metadata_directory': abspath(metadata_directory),
+            'config_settings': config_settings,
+            '_allow_fallback': _allow_fallback,
+        })
+
+    def build_editable(
+            self, wheel_directory, config_settings=None,
+            metadata_directory=None):
+        """Build an editable wheel from this project.
+
+        Returns the name of the newly created file.
+
+        In general, this will call the 'build_editable' hook in the backend.
+        However, if that was previously called by
+        'prepare_metadata_for_build_editable', and the same metadata_directory
+        is used, the previously built wheel will be copied to wheel_directory.
+        """
+        if metadata_directory is not None:
+            metadata_directory = abspath(metadata_directory)
+        return self._call_hook('build_editable', {
+            'wheel_directory': abspath(wheel_directory),
+            'config_settings': config_settings,
+            'metadata_directory': metadata_directory,
+        })
+
+    def get_requires_for_build_sdist(self, config_settings=None):
+        """Identify packages required for building a wheel
+
+        Returns a list of dependency specifications, e.g.::
+
+            ["setuptools >= 26"]
+
+        This does not include requirements specified in pyproject.toml.
+        It returns the result of calling the equivalently named hook in a
+        subprocess.
+        """
+        return self._call_hook('get_requires_for_build_sdist', {
+            'config_settings': config_settings
+        })
+
+    def build_sdist(self, sdist_directory, config_settings=None):
+        """Build an sdist from this project.
+
+        Returns the name of the newly created file.
+
+        This calls the 'build_sdist' backend hook in a subprocess.
+        """
+        return self._call_hook('build_sdist', {
+            'sdist_directory': abspath(sdist_directory),
+            'config_settings': config_settings,
+        })
+
+    def _call_hook(self, hook_name, kwargs):
+        # On Python 2, pytoml returns Unicode values (which is correct) but the
+        # environment passed to check_call needs to contain string values. We
+        # convert here by encoding using ASCII (the backend can only contain
+        # letters, digits and _, . and : characters, and will be used as a
+        # Python identifier, so non-ASCII content is wrong on Python 2 in
+        # any case).
+        # For backend_path, we use sys.getfilesystemencoding.
+        if sys.version_info[0] == 2:
+            build_backend = self.build_backend.encode('ASCII')
+        else:
+            build_backend = self.build_backend
+        extra_environ = {'PEP517_BUILD_BACKEND': build_backend}
+
+        if self.backend_path:
+            backend_path = os.pathsep.join(self.backend_path)
+            if sys.version_info[0] == 2:
+                backend_path = backend_path.encode(sys.getfilesystemencoding())
+            extra_environ['PEP517_BACKEND_PATH'] = backend_path
+
+        with tempdir() as td:
+            hook_input = {'kwargs': kwargs}
+            compat.write_json(hook_input, pjoin(td, 'input.json'),
+                              indent=2)
+
+            # Run the hook in a subprocess
+            with _in_proc_script_path() as script:
+                python = self.python_executable
+                self._subprocess_runner(
+                    [python, abspath(str(script)), hook_name, td],
+                    cwd=self.source_dir,
+                    extra_environ=extra_environ
+                )
+
+            data = compat.read_json(pjoin(td, 'output.json'))
+            if data.get('unsupported'):
+                raise UnsupportedOperation(data.get('traceback', ''))
+            if data.get('no_backend'):
+                raise BackendUnavailable(data.get('traceback', ''))
+            if data.get('backend_invalid'):
+                raise BackendInvalid(
+                    backend_name=self.build_backend,
+                    backend_path=self.backend_path,
+                    message=data.get('backend_error', '')
+                )
+            if data.get('hook_missing'):
+                raise HookMissing(data.get('missing_hook_name') or hook_name)
+            return data['return_val']
+
+
+class LoggerWrapper(threading.Thread):
+    """
+    Read messages from a pipe and redirect them
+    to a logger (see python's logging module).
+    """
+
+    def __init__(self, logger, level):
+        threading.Thread.__init__(self)
+        self.daemon = True
+
+        self.logger = logger
+        self.level = level
+
+        # create the pipe and reader
+        self.fd_read, self.fd_write = os.pipe()
+        self.reader = os.fdopen(self.fd_read)
+
+        self.start()
+
+    def fileno(self):
+        return self.fd_write
+
+    @staticmethod
+    def remove_newline(msg):
+        return msg[:-1] if msg.endswith(os.linesep) else msg
+
+    def run(self):
+        for line in self.reader:
+            self._write(self.remove_newline(line))
+
+    def _write(self, message):
+        self.logger.log(self.level, message)