116 lines
3.3 KiB
Python
Executable File
116 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python
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""" check requirements.txt for outdated packages """
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import pathlib
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import requests
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class Requirements:
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"""handle requirements.txt"""
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FILE_PATH = "tubearchivist/requirements.txt"
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LOCK = "/tmp/tubearchivist-requirements.lock"
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def __init__(self):
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self.exists = self.checked_today()
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self.all_requirements = False
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self.all_updates = False
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def checked_today(self):
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"""skip requirements check when lock file exists"""
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exists = pathlib.Path(self.LOCK).exists()
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return exists
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def look_for_updates(self):
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"""look through requirements and check for updates"""
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self.all_requirements = self.get_dependencies()
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self.all_updates = self.check_packages()
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def get_dependencies(self):
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"""read out requirements.txt"""
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all_requirements = []
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with open(self.FILE_PATH, "r", encoding="utf-8") as f:
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dependencies = f.readlines()
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for dependency in dependencies:
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package, version = dependency.split("==")
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all_requirements.append((package, version.strip()))
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all_requirements.sort(key=lambda x: x[0].lower())
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return all_requirements
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def check_packages(self):
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"""compare installed with remote version"""
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total = len(self.all_requirements)
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print(f"checking versions for {total} packages...")
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all_updates = {}
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for dependency in self.all_requirements:
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package, version_installed = dependency
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url = f"https://pypi.org/pypi/{package}/json"
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response = requests.get(url).json()
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version_remote = response["info"]["version"]
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homepage = response["info"]["home_page"]
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if version_remote != version_installed:
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to_update = {
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package: {"from": version_installed, "to": version_remote}
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}
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all_updates.update(to_update)
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message = (
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f"update {package} {version_installed}"
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+ f"==> {version_remote}\n {homepage}"
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)
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print(message)
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if not all_updates:
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print("no updates found")
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# remember that
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pathlib.Path(self.LOCK).touch()
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return all_updates
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def apply_updates(self):
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"""update requirements.txt file with new versions"""
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to_write = []
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for requirement in self.all_requirements:
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package, old_version = requirement
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if package in self.all_updates.keys():
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package_version = self.all_updates[package]["to"]
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else:
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package_version = old_version
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to_write.append(f"{package}=={package_version}\n")
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with open(self.FILE_PATH, "w", encoding="utf-8") as f:
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f.writelines(to_write)
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print("requirements.txt updates")
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def main():
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"""main to check for updates"""
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handler = Requirements()
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if handler.exists:
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return
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handler.look_for_updates()
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if handler.all_updates:
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input_response = input("\nupdate requirements.txt? [y/n] ")
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if input_response == "y":
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handler.apply_updates()
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else:
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print("skip update...")
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if __name__ == "__main__":
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main()
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