mirror of
https://github.com/J3rome/py-requirements-guesser.git
synced 2024-11-22 01:45:15 +01:00
126 lines
3.8 KiB
Python
126 lines
3.8 KiB
Python
import re
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import os
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import subprocess
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from datetime import datetime
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from urllib.request import urlretrieve
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def user_response_multi_choices(message, choices):
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print(message)
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for i, choice in enumerate(choices):
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print(f' {i+1}. {choice}')
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nb_choices = len(choices)
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resp = input(f'Choose option [1-{nb_choices}]\n')
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if not resp.isdigit() or int(resp) not in range(1,nb_choices+1):
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print("")
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return user_response_multi_choices(message, choices)
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return int(resp)
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def user_response_yes_no(message):
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resp = input(message + ' [Y/n]\n').lower()
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if resp not in ['y', 'n']:
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print("")
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return user_response_yes_no(message)
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return resp == 'y'
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def get_mapping_files_from_pipreqs(tmp_path="/tmp/.py-req-guesser"):
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"""
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Retrieve import to package name mapping file and standard lib module list
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This list comes from https://github.com/bndr/pipreqs
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"""
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skip_download = False
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if not os.path.exists(tmp_path):
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os.mkdir(tmp_path)
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mapping_filepath = f"{tmp_path}/mapping"
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stdlib_filepath = f"{tmp_path}/stdlib"
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if os.path.exists(mapping_filepath) and os.path.exists(stdlib_filepath):
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# File have already been downloaded
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skip_download = True
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if not skip_download:
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msg = "We will download a mapping file from https://github.com/bndr/pipreqs\n" \
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"Thanks to the maintainers of Pipreqs for keeping the mapping file "\
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"and the STDlib module list up to date\n" \
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f"Do you agree to downloading these files in '{tmp_path}' ?"
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if not user_response_yes_no(msg):
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print("\n\n[ERROR]Pipreqs mapping files are required, I encourage you to inspect the code to make sure everything is safe and rerun this")
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exit(0)
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print("")
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# FIXME : This is not really scalable...
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mapping_url = "https://raw.githubusercontent.com/bndr/pipreqs/90102acdbb23c09574d27df8bd1f568d34e0cfd3/pipreqs/mapping"
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stdlib_url = "https://raw.githubusercontent.com/bndr/pipreqs/90102acdbb23c09574d27df8bd1f568d34e0cfd3/pipreqs/stdlib"
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urlretrieve(mapping_url, mapping_filepath)
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urlretrieve(stdlib_url, stdlib_filepath)
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from_import_to_package_mapping = {}
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from_package_to_import_mapping = {}
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with open(mapping_filepath, 'r') as f:
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for line in f.readlines():
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import_name, package_name = line.strip().split(":")
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from_import_to_package_mapping[import_name] = package_name
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from_package_to_import_mapping[package_name] = import_name
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with open(stdlib_filepath, 'r') as f:
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stdlib = set([l.strip() for l in f.readlines()])
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return stdlib, from_import_to_package_mapping, from_package_to_import_mapping
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def load_packages_from_requirements(filepath):
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# TODO : Handle when multiple version conditions
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# TODO : Handle greater than (>). If version contains >, should take the greatest available version at the date. Should fit with minor versions ?
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with open(filepath, 'r') as f:
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lines = f.readlines()
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split_reg = re.compile(r'==|<=|>=|<|>')
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packages = {}
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for line in lines:
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splitted = re.split(split_reg, line.strip())
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if len(splitted) > 1:
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version = splitted[-1]
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else:
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version = None
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packages[splitted[0].lower()] = version
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return packages
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def get_python_filename_at_root():
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return [f[:-3] for f in os.listdir('.') if os.path.isfile(f) and f.endswith('.py')]
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def get_date_last_modified_python_file():
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timestamp = subprocess.check_output('git log -n 1 --all --pretty="format:%ct" -- "*.py"', shell=True).decode()
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if len(timestamp) == 0:
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return None
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else:
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return datetime.fromtimestamp(int(timestamp))
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def detect_os():
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pass
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def get_python_version():
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pass
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