mirror of
https://github.com/python/cpython.git
synced 2025-11-03 23:21:29 +00:00
49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
|
"""Base class for index crawlers."""
|
||
|
|
|
||
|
|
from packaging.pypi.dist import ReleasesList
|
||
|
|
|
||
|
|
|
||
|
|
class BaseClient:
|
||
|
|
"""Base class containing common methods for the index crawlers/clients"""
|
||
|
|
|
||
|
|
def __init__(self, prefer_final, prefer_source):
|
||
|
|
self._prefer_final = prefer_final
|
||
|
|
self._prefer_source = prefer_source
|
||
|
|
self._index = self
|
||
|
|
|
||
|
|
def _get_prefer_final(self, prefer_final=None):
|
||
|
|
"""Return the prefer_final internal parameter or the specified one if
|
||
|
|
provided"""
|
||
|
|
if prefer_final:
|
||
|
|
return prefer_final
|
||
|
|
else:
|
||
|
|
return self._prefer_final
|
||
|
|
|
||
|
|
def _get_prefer_source(self, prefer_source=None):
|
||
|
|
"""Return the prefer_source internal parameter or the specified one if
|
||
|
|
provided"""
|
||
|
|
if prefer_source:
|
||
|
|
return prefer_source
|
||
|
|
else:
|
||
|
|
return self._prefer_source
|
||
|
|
|
||
|
|
def _get_project(self, project_name):
|
||
|
|
"""Return an project instance, create it if necessary"""
|
||
|
|
return self._projects.setdefault(project_name.lower(),
|
||
|
|
ReleasesList(project_name, index=self._index))
|
||
|
|
|
||
|
|
def download_distribution(self, requirements, temp_path=None,
|
||
|
|
prefer_source=None, prefer_final=None):
|
||
|
|
"""Download a distribution from the last release according to the
|
||
|
|
requirements.
|
||
|
|
|
||
|
|
If temp_path is provided, download to this path, otherwise, create a
|
||
|
|
temporary location for the download and return it.
|
||
|
|
"""
|
||
|
|
prefer_final = self._get_prefer_final(prefer_final)
|
||
|
|
prefer_source = self._get_prefer_source(prefer_source)
|
||
|
|
release = self.get_release(requirements, prefer_final)
|
||
|
|
if release:
|
||
|
|
dist = release.get_distribution(prefer_source=prefer_source)
|
||
|
|
return dist.download(temp_path)
|