Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pip/_internal/models/selection_prefs.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 from pip._internal.utils.typing import MYPY_CHECK_RUNNING |
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2 |
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3 if MYPY_CHECK_RUNNING: |
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4 from typing import Optional |
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5 |
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6 from pip._internal.models.format_control import FormatControl |
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7 |
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8 |
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9 class SelectionPreferences: |
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10 """ |
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11 Encapsulates the candidate selection preferences for downloading |
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12 and installing files. |
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13 """ |
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14 |
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15 __slots__ = ['allow_yanked', 'allow_all_prereleases', 'format_control', |
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16 'prefer_binary', 'ignore_requires_python'] |
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17 |
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18 # Don't include an allow_yanked default value to make sure each call |
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19 # site considers whether yanked releases are allowed. This also causes |
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20 # that decision to be made explicit in the calling code, which helps |
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21 # people when reading the code. |
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22 def __init__( |
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23 self, |
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24 allow_yanked, # type: bool |
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25 allow_all_prereleases=False, # type: bool |
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26 format_control=None, # type: Optional[FormatControl] |
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27 prefer_binary=False, # type: bool |
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28 ignore_requires_python=None, # type: Optional[bool] |
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29 ): |
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30 # type: (...) -> None |
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31 """Create a SelectionPreferences object. |
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32 |
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33 :param allow_yanked: Whether files marked as yanked (in the sense |
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34 of PEP 592) are permitted to be candidates for install. |
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35 :param format_control: A FormatControl object or None. Used to control |
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36 the selection of source packages / binary packages when consulting |
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37 the index and links. |
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38 :param prefer_binary: Whether to prefer an old, but valid, binary |
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39 dist over a new source dist. |
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40 :param ignore_requires_python: Whether to ignore incompatible |
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41 "Requires-Python" values in links. Defaults to False. |
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42 """ |
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43 if ignore_requires_python is None: |
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44 ignore_requires_python = False |
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45 |
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46 self.allow_yanked = allow_yanked |
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47 self.allow_all_prereleases = allow_all_prereleases |
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48 self.format_control = format_control |
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49 self.prefer_binary = prefer_binary |
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50 self.ignore_requires_python = ignore_requires_python |