mirror of
https://github.com/J3rome/py-requirements-guesser.git
synced 2024-11-22 01:45:15 +01:00
140 lines
5.0 KiB
Python
140 lines
5.0 KiB
Python
import re
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import os
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import argparse
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import subprocess
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from datetime import datetime
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from xml.etree.ElementTree import fromstring as parse_xml
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import requests
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from utils import load_packages_from_requirements#, user_response_multi, user_response_yes_no
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# TODO : Get all imports from source files
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# TODO : Exclude imports where version is specified in requirements.txt
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# TODO : Propose choice between date of first import or Added in requirements
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# TODO : Other choices : When project was created, last commit (That wasnt on md file), 75 percentile of time between commits
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# TODO : Pin also the dependencies tree of the packages Ex : Torch package might install numpy, etc
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# TODO : Poetry mode ?
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# - There might be a version in the history (1st Commit : matplotlib==1.0.1 -> 2nd commit : matplotlib==1.1.2 -> 3rd commit : )
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# TODO : import name doesn't always match the pypi name
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# A potential solution : https://github.com/thebjorn/pydeps/blob/master/pydeps/package_names.py
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# from pipreqs.pipreqs import get_all_imports, get_pkg_names
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# TODO : Add a mode where file/folder creation/last update is used if no git repo ?
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EXTRACT_DATE_REGEX = re.compile(r'Date:\s*(\d+)')
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LETTER_REGEX = re.compile(r'[a-zA-Z]')
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parser = argparse.ArgumentParser("Python Requirements Version Guesser")
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parser.add_argument('--git_repo_path', type=str, default=None, required=False)
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def get_pypi_history(package_name, ignore_release_candidat=True):
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"""
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Retrieve version release dates via Pypi JSON api
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"""
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resp = requests.get(f"https://pypi.org/pypi/{package_name}/json").json()
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versions = []
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for version, release_info_per_os in resp['releases'].items():
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# Just taking the first platform upload date for now..
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# Is it really different for other platforms ? Need to validate
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# TODO : Give appropriate version based on os and python Versions resp['info']['requires_dist'] # ['require_python']
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if len(release_info_per_os) == 0:
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continue
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if ignore_release_candidat and LETTER_REGEX.search(version):
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continue
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release_info = release_info_per_os[0]
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release_date = datetime.strptime(release_info['upload_time'].split("T")[0], '%Y-%m-%d')
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versions.append((version, release_date))
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# FIXME : Do we really need to sort ? Versions should already be sorted
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return sorted(versions, key=lambda x:x[1], reverse=True)
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def find_version_at_date(available_versions, date):
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last_version = available_versions[0][0]
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# FIXME : Do binary search
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for candidate_version, candidate_date in available_versions:
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if date >= candidate_date:
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return candidate_version
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else:
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last_version = candidate_version
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# Date is older than available versions... Fallback on the oldest available version
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return last_version
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def get_date_when_package_added(package_name, via_requirements=False):
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if not via_requirements:
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search_pattern = f"^import {package_name}$|^from {package_name}"
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filename = ""
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else:
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search_pattern = f"{package_name}$"
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filename = "requirements.txt"
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# We grep for 'date' | '+ search pattern' so that we keep only commits that insert lines (+)
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cmd = f"git log -G '{search_pattern}' --date unix -p {filename} | grep -i 'date\\|\\+.*{package_name}'"
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try:
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blame_out = subprocess.check_output(cmd, shell=True).decode().strip()
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except:
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blame_out = ""
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if len(blame_out) == 0:
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#return []
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raise Exception(f"[ERROR] couldn't find package '{package_name}' via git-log")
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# Remove commit that are not directly followed by '+ import' (We grepped for this in cmd)
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# This is ugly.. TODO: figure out a better way in the grep command
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dates = []
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got_plus = False
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for line in blame_out.split('\n')[::-1]:
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if line[0] == "+":
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got_plus = True
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elif got_plus:
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got_plus = False
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matches = EXTRACT_DATE_REGEX.search(line)
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if matches:
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dates.append(datetime.fromtimestamp(int(matches.group(1))))
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else:
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raise Exception("[ERROR] while parsing git-log")
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# Get first date where the line was added
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return sorted(dates, reverse=True)[0]
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if __name__ == "__main__":
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packages_in_requirements = load_packages_from_requirements('requirements.txt')
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packages = []
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for package_name, version in packages_in_requirements.items():
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if version is None:
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date_added = get_date_when_package_added(package_name, via_requirements=True)
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available_versions = get_pypi_history(package_name, ignore_release_candidat=True)
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version = find_version_at_date(available_versions, date_added)
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print(f"{package_name} - {date_added}")
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else:
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print(f"{package_name} version is specified in requirements.txt ({version})")
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packages.append((package_name, version))
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# TODO : Write to requirements.txt
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for package_name, version in sorted(packages, key=lambda x:x[0]):
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print(f"{package_name}=={version}")
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