mirror of
https://github.com/LmeSzinc/StarRailCopilot.git
synced 2024-11-16 06:25:24 +00:00
110 lines
3.1 KiB
Python
110 lines
3.1 KiB
Python
import os
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import re
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import sys
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from module.base.decorator import cached_property
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from module.logger import logger
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"""
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Importing pkg_resources is so slow, like 0.4 ~ 1.0s, just google it you will find it indeed really slow.
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Since it was some kind of standard library there is no way to modify it or speed it up.
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So here's a poor but fast implementation of pkg_resources returning the things in need.
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To patch:
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```
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# Patch pkg_resources before importing adbutils and uiautomator2
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from module.device.pkg_resources import get_distribution
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# Just avoid being removed by import optimization
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_ = get_distribution
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```
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"""
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# Inject sys.modules, pretend we have pkg_resources imported
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try:
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sys.modules['pkg_resources'] = sys.modules['module.device.pkg_resources']
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except KeyError:
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logger.error('Patch pkg_resources failed, patch module does not exists')
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def remove_suffix(s, suffix):
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"""
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Remove suffix of a string or bytes like `string.removesuffix(suffix)`, which is on Python3.9+
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Args:
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s (str, bytes):
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suffix (str, bytes):
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Returns:
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str, bytes:
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"""
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return s[:-len(suffix)] if s.endswith(suffix) else s
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class FakeDistributionObject:
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def __init__(self, dist, version):
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self.dist = dist
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self.version = version
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def __str__(self):
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return f'{self.__class__.__name__}({self.dist}={self.version})'
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__repr__ = __str__
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class PackageCache:
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@cached_property
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def site_packages(self):
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# Just whatever library to locate the `site-packages` directory
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import requests
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path = os.path.abspath(os.path.join(requests.__file__, '../../'))
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return path
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@cached_property
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def dict_installed_packages(self):
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"""
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Returns:
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dict: Key: str, package name
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Value: FakeDistributionObject
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"""
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dic = {}
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for file in os.listdir(self.site_packages):
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# mxnet_cu101-1.6.0.dist-info
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# adbutils-0.11.0-py3.7.egg-info
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res = re.match(r'^([a-zA-Z0-9._]+)-([a-zA-Z0-9._]+)-', file)
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if res:
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version = remove_suffix(res.group(2), '.dist')
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# version = res.group(2)
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obj = FakeDistributionObject(
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dist=res.group(1),
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version=version,
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)
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dic[obj.dist] = obj
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return dic
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PACKAGE_CACHE = PackageCache()
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def resource_filename(*args):
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if args == ("adbutils", "binaries"):
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path = os.path.abspath(os.path.join(PACKAGE_CACHE.site_packages, *args))
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return path
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def get_distribution(dist):
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"""Return a current distribution object for a Requirement or string"""
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if dist == 'adbutils':
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return PACKAGE_CACHE.dict_installed_packages.get(
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'adbutils',
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FakeDistributionObject('adbutils', '0.11.0'),
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)
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if dist == 'uiautomator2':
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return PACKAGE_CACHE.dict_installed_packages.get(
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'uiautomator2',
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FakeDistributionObject('uiautomator2', '2.16.17'),
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)
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class DistributionNotFound(Exception):
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pass
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