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import json
import numpy as np
from enum import Enum
class PairType(Enum):
TRAIN = 0
TEST = 1
class Image:
def __init__(self, pixels: np.ndarray, id: str):
self.pixels = pixels
self.id = id
@classmethod
def create_from_json(cls, pixels_json, id: str) -> 'Image':
pixels = np.array(pixels_json, np.int32)
return Image(pixels, id)
class Pair:
def __init__(self, input: Image, output: Image, pair_type: PairType, pair_index: int):
self.input = input
self.output = output
self.pair_type = pair_type
self.pair_index = pair_index
@classmethod
def create_from_json(cls, pair_json, pair_type: PairType, pair_index: int) -> 'Pair':
pair_type_name = 'train'
if pair_type == PairType.TEST:
pair_type_name = "test"
input = Image.create_from_json(pair_json['input'], f'{pair_type_name} {pair_index} in')
output = Image.create_from_json(pair_json['output'], f'{pair_type_name} {pair_index} out')
return Pair(input, output, pair_type, pair_index)
class Task:
def __init__(self, pairs: [Pair]):
self.pairs = pairs
@classmethod
def load(cls, filename) -> 'Task':
with open(filename) as f:
json_data = json.load(f)
pairs = []
for pair_index, json_pair in enumerate(json_data['train']):
pair = Pair.create_from_json(json_pair, PairType.TRAIN, pair_index)
pairs.append(pair)
for pair_index, json_pair in enumerate(json_data['test']):
pair = Pair.create_from_json(json_pair, PairType.TEST, pair_index)
pairs.append(pair)
return Task(pairs)
def train_test(self) -> (int, int):
count_train = 0
count_test = 0
for pair_index, pair in enumerate(self.pairs):
if pair.pair_type == PairType.TRAIN:
count_train += 1
else:
count_test += 1
return (count_train, count_test)
if __name__ == '__main__':
filename = 'testdata/af902bf9.json'
task = Task.load(filename)
print(task)
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