File size: 8,777 Bytes
61ea807 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 |
import collections
import re
import sys
import unicodedata
from lm_eval.filters.extraction import Filter, RegexFilter
class ExtendedRegexFilter(RegexFilter):
punct_tbl = dict.fromkeys(
i for i in range(sys.maxunicode) if unicodedata.category(chr(i)).startswith("P")
)
def __init__(
self,
regex_pattern: str = r"#### (\-?[0-9\.\,]+)",
group_select=0,
fallback: str = "[invalid]",
ignore_case=False,
ignore_punctuation=False,
regexes_to_ignore=None,
) -> None:
super().__init__(regex_pattern, group_select, fallback)
self.ignore_case = ignore_case
self.ignore_punctuation = ignore_punctuation
self.regexes_to_ignore = regexes_to_ignore
def filter_ignores(self, st):
if self.regexes_to_ignore is not None:
for s in self.regexes_to_ignore:
st = re.sub(s, "", st)
if self.ignore_case:
st = st.lower()
if self.ignore_punctuation:
# https://stackoverflow.com/a/266162
st = st.translate(self.punct_tbl)
return st
def find_match(self, regex, resp, convert_dict={}):
match = regex.findall(resp)
if match:
match = match[self.group_select]
if isinstance(match, tuple):
match = [m for m in match if m][0]
match = match.strip()
if match and match in convert_dict:
match = convert_dict[match]
return match
class MapRegexFilter(ExtendedRegexFilter):
def __init__(
self,
regex_pattern_to_value: dict = {},
group_select=0,
fallback: str = "[invalid]",
ignore_case=False,
ignore_punctuation=False,
regexes_to_ignore=None,
) -> None:
"""
regex_pattern_to_value: Match the regex pattern and change the result into the value
group_select: Selects the (group_select)th match from the findall result. We use the whole regex_patterns, concatenated by |
ignore_case: Lowers the case of response before matching with the given regex
ignore_punctuation: Remove the punctuation before matching with the given regex
regexes_to_ignore: Remove these regexes before matching with the given regex
"""
super().__init__(
"|".join(list(regex_pattern_to_value.keys())),
group_select,
fallback,
ignore_case,
ignore_punctuation,
regexes_to_ignore,
)
self.regex_to_value = {
re.compile(r): v for r, v in regex_pattern_to_value.items()
}
def apply(self, resps, docs):
filtered_resps = []
for r in resps:
filtered = []
for resp in r:
whole_match_considering_group_select = self.find_match(
self.regex, self.filter_ignores(resp)
)
if whole_match_considering_group_select:
for regex, mapped_value in self.regex_to_value.items():
match = self.find_match(
regex,
self.filter_ignores(whole_match_considering_group_select),
)
if match:
match = mapped_value
break
if not whole_match_considering_group_select or not match:
match = self.fallback
filtered.append(match)
filtered_resps.append(filtered)
return filtered_resps
class NumberParseRegexFilter(ExtendedRegexFilter):
def apply(self, resps, docs):
# here, we assume we have a list, in which each element is
# a list of model responses for some particular input/target pair.
# so we process each of these (same input/target response sets)
# independently (and keep them a list.)
filtered_resps = []
import regex
from word2number import w2n
# https://www.reddit.com/r/regex/comments/11a38uk/parsing_numbers_written_out_as_english_words
english_number_regex = regex.compile(
"((?:(?:zero|one|two|three|four|five|(?:twen|thir|for|fif|six|seven|nine)(?|teen|ty)|eight(?:|een|y)|ten|eleven|twelve|fourteen|hundred|thousand|(?:m|b|tr)illion)(?:zero|one|two|three|four|five|(?:twen|thir|for|fif|six|seven|nine)(?:|teen|ty)|eight(?|een|y)|ten|eleven|twelve|fourteen|hundred|thousand|(?:m|b|tr)illion|[^\S\r\n]|,|and|&)+)?(?:zero|one|two|three|four|five|(?:twen|thir|for|fif|six|seven|nine)(?|teen|ty)|eight(?|een|y)|ten|eleven|twelve|fourteen|hundred|thousand|(?:m|b|tr)illion))"
)
for r in resps:
filtered = []
for resp in r:
match = self.find_match(self.regex, resp)
if not match:
match = self.find_match(english_number_regex, resp.lower())
if match:
match = str(w2n.word_to_num(match))
if not match:
match = self.fallback
filtered.append(match)
filtered_resps.append(filtered)
return filtered_resps
class WordSortFilter(Filter):
""" """
def apply(self, resps, docs):
filtered_resps = []
for r, doc in zip(resps, docs):
words = doc["input"].split("List:")[1].strip().split()
regex = re.compile("|".join([f"\\b{w}\\b" for w in words]))
filtered = []
for resp in r:
match = regex.findall(resp)
match.reverse()
ordered_words = reversed(
collections.OrderedDict(zip(match, [None] * len(match)))
)
filtered.append(" ".join(ordered_words))
filtered_resps.append(filtered)
return filtered_resps
class MultiChoiceRegexFilter(ExtendedRegexFilter):
def __init__(self, *args, **kwargs):
"""
regex_pattern: The basic regex pattern to use. If fails to match, we will use the customized match procedure
- step 1 : We parse the choices between ([A-Z])s then try to find these choices in the response.
- step 2 : We parse the choice with regex :[\s]*([A-?]), where ? varies by number of choices.
group_select: Selects the (group_select)th match from the findall result.
ignore_case: Ignores the case during step 1 matching
ignore_punctuation: Remove the punctuation during step 1 matching
regexes_to_ignore: Remove these regexes during step 1 matching
"""
super().__init__(*args, **kwargs)
def apply(self, resps, docs):
# here, we assume we have a list, in which each element is
# a list of model responses for some particular input/target pair.
# so we process each of these (same input/target response sets)
# independently (and keep them a list.)
filtered_resps = []
for r, doc in zip(resps, docs):
fallback_regexes = []
choice_to_alpha = {}
next_alpha = "A"
without_paren_fallback_regexes = []
without_paren_to_target = {}
multiple_choices_regex = re.compile(r"\([A-Z]\)([^\n^(]*)")
match = multiple_choices_regex.findall(doc["input"])
for m in match:
m = self.filter_ignores(m.strip())
fallback_regexes.append(f"{re.escape(m)}")
choice_to_alpha[m] = f"({next_alpha})"
without_paren_fallback_regexes.append(next_alpha)
without_paren_to_target[next_alpha] = f"({next_alpha})"
next_alpha = chr(ord(next_alpha) + 1)
fallback_regex = re.compile("|".join(fallback_regexes))
without_paren_fallback_regex = "|".join(without_paren_fallback_regexes)
without_paren_fallback_regex = re.compile(
f":[\s]*({without_paren_fallback_regex})"
)
filtered = []
for resp in r:
match = self.find_match(self.regex, resp)
if not match:
match = self.find_match(
fallback_regex, self.filter_ignores(resp), choice_to_alpha
)
if not match:
match = self.find_match(
without_paren_fallback_regex, resp, without_paren_to_target
)
if not match:
match = self.fallback
filtered.append(match)
filtered_resps.append(filtered)
return filtered_resps
|