Stop using pip._internal
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parent
1d850346b9
commit
4d33136241
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@ -4,6 +4,7 @@ branches:
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- /^\d+(\.\d+)+((a|b|rc)\d+)?(\.post\d+)?(\.dev\d+)?$/
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language: python
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python: 3.8
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install: pip install tox
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script: tox
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31
lazip.py
31
lazip.py
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@ -18,7 +18,7 @@
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"""Lazy ZIP over HTTP"""
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__version__ = '0.0.1'
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__version__ = '0.0.2'
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__all__ = ['Lazip']
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from bisect import bisect_left, bisect_right
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@ -27,13 +27,9 @@ from tempfile import NamedTemporaryFile
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from typing import Any, Dict, Iterator, List, Optional, Tuple
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from zipfile import BadZipFile, ZipFile
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from pip._internal.network.utils import response_chunks
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from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel
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from requests import Session
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from requests.models import CONTENT_CHUNK_SIZE, Response
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HEADERS: Dict[str, str] = {'Accept-Encoding': 'identity'}
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def init_range(stop: int, size: int) -> Iterator[Tuple[int, int]]:
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"""Return an iterator of intervals to fetch a file reversedly."""
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@ -54,7 +50,7 @@ class Lazip:
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def __init__(self, session: Session, url: str,
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chunk_size: int = CONTENT_CHUNK_SIZE) -> None:
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head = session.head(url, headers=HEADERS)
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head = session.head(url)
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head.raise_for_status()
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assert head.status_code == 200
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self.session, self.url, self.chunk_size = session, url, chunk_size
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@ -104,17 +100,16 @@ class Lazip:
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self.download(start, end)
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with self.stay():
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try:
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ZipFile(self)
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ZipFile(self) # type: ignore
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except BadZipFile:
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pass
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else:
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break
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def stream_response(self, start: int, end: int,
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base_headers: Dict[str, str] = HEADERS) -> Response:
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base_headers: Dict[str, str] = {}) -> Response:
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"""Return HTTP response to a range request from start to end."""
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headers = {'Range': f'bytes={start}-{end}'}
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headers.update(base_headers)
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headers = {'Range': f'bytes={start}-{end}', **base_headers}
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return self.session.get(self.url, headers=headers, stream=True)
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def merge(self, start: int, end: int,
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@ -128,8 +123,8 @@ class Lazip:
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right (int): Index after last overlapping downloaded data
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"""
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lslice, rslice = self.left[left:right], self.right[left:right]
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i = start = min(start, min(lslice, default=start))
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end = max(end, max(rslice, default=end))
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i = start = min([start, *lslice[:1]])
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end = max([end, *rslice[-1:]])
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for j, k in zip(lslice, rslice):
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if j > i: yield i, j-1
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i = k + 1
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@ -144,7 +139,8 @@ class Lazip:
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response = self.stream_response(start, end)
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response.raise_for_status()
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self.seek(start)
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for chunk in response_chunks(response, self.chunk_size):
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for chunk in response.raw.stream(self.chunk_size,
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decode_content=False):
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self.file.write(chunk)
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def read(self, size: int = -1) -> bytes:
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@ -176,12 +172,3 @@ class Lazip:
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def close(self) -> None:
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"""Close the file."""
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self.file.close()
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if __name__ == '__main__':
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url = ('https://files.pythonhosted.org/packages/17/d9/'
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'ff8955ce17c080c956cd5eed9c2da4de139d5eeabb9f9ebf2d981acef31d/'
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'brutalmaze-0.9.2-py3-none-any.whl')
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with Lazip(Session(), url) as wheel:
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print(pkg_resources_distribution_for_wheel(
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ZipFile(wheel), 'brutalmaze', wheel.name).requires())
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@ -7,7 +7,7 @@ module = 'lazip'
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author = 'Nguyễn Gia Phong'
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author-email = 'mcsinyx@disroot.org'
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home-page = 'https://github.com/McSinyx/lazip'
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requires = ['pip', 'requests']
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requires = ['requests']
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description-file = 'README.md'
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classifiers = [
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'Development Status :: 1 - Planning',
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