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utils.py
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utils.py
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import os
import re
from typing import List
NUMBER = re.compile(r'.*(s\d{3})')
def get_files(path: str) -> List:
"""Returns list of files inside the path directory"""
files = []
for file in os.listdir(path):
if os.path.isfile(os.path.join(path, file)):
files.append(file)
# Reversed to prevent collision upon renaming
return sorted(files, reverse=True)
def update_number(number: str) -> str:
"""Updates exercise number"""
number = int(number[1:])
number = (number - 100 if number >= 100 else number) + 1
return 's' + str(number).zfill(3)
def get_number_from_name(filename: str) -> str:
try:
return re.match(NUMBER, filename).groups()[0]
except AttributeError:
raise AttributeError('Can not parse: %s' % filename)
def refactor(path: str, files: List):
"""Refactor exercise number in files data and names"""
skipped = []
for filename in files:
try:
number = get_number_from_name(filename)
except AttributeError:
skipped.append(os.path.join(path, filename))
continue
new_number = update_number(number)
file_path = os.path.join(path, filename)
new_file_path = file_path.replace(number, new_number)
with open(file_path, 'r') as file:
data = file.read()
data = data.replace(number, new_number)
with open(file_path, 'w') as file:
file.write(data)
os.rename(file_path, new_file_path)
return skipped