Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pip/_internal/models/format_control.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._vendor.packaging.utils import canonicalize_name |
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2 |
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3 from pip._internal.exceptions import CommandError |
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4 from pip._internal.utils.typing import MYPY_CHECK_RUNNING |
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5 |
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6 if MYPY_CHECK_RUNNING: |
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7 from typing import FrozenSet, Optional, Set |
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8 |
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9 |
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10 class FormatControl: |
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11 """Helper for managing formats from which a package can be installed. |
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12 """ |
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13 |
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14 __slots__ = ["no_binary", "only_binary"] |
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15 |
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16 def __init__(self, no_binary=None, only_binary=None): |
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17 # type: (Optional[Set[str]], Optional[Set[str]]) -> None |
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18 if no_binary is None: |
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19 no_binary = set() |
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20 if only_binary is None: |
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21 only_binary = set() |
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22 |
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23 self.no_binary = no_binary |
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24 self.only_binary = only_binary |
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25 |
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26 def __eq__(self, other): |
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27 # type: (object) -> bool |
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28 if not isinstance(other, self.__class__): |
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29 return NotImplemented |
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30 |
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31 if self.__slots__ != other.__slots__: |
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32 return False |
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33 |
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34 return all( |
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35 getattr(self, k) == getattr(other, k) |
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36 for k in self.__slots__ |
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37 ) |
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38 |
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39 def __repr__(self): |
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40 # type: () -> str |
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41 return "{}({}, {})".format( |
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42 self.__class__.__name__, |
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43 self.no_binary, |
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44 self.only_binary |
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45 ) |
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46 |
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47 @staticmethod |
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48 def handle_mutual_excludes(value, target, other): |
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49 # type: (str, Set[str], Set[str]) -> None |
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50 if value.startswith('-'): |
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51 raise CommandError( |
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52 "--no-binary / --only-binary option requires 1 argument." |
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53 ) |
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54 new = value.split(',') |
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55 while ':all:' in new: |
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56 other.clear() |
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57 target.clear() |
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58 target.add(':all:') |
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59 del new[:new.index(':all:') + 1] |
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60 # Without a none, we want to discard everything as :all: covers it |
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61 if ':none:' not in new: |
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62 return |
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63 for name in new: |
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64 if name == ':none:': |
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65 target.clear() |
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66 continue |
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67 name = canonicalize_name(name) |
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68 other.discard(name) |
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69 target.add(name) |
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70 |
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71 def get_allowed_formats(self, canonical_name): |
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72 # type: (str) -> FrozenSet[str] |
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73 result = {"binary", "source"} |
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74 if canonical_name in self.only_binary: |
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75 result.discard('source') |
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76 elif canonical_name in self.no_binary: |
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77 result.discard('binary') |
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78 elif ':all:' in self.only_binary: |
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79 result.discard('source') |
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80 elif ':all:' in self.no_binary: |
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81 result.discard('binary') |
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82 return frozenset(result) |
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83 |
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84 def disallow_binaries(self): |
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85 # type: () -> None |
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86 self.handle_mutual_excludes( |
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87 ':all:', self.no_binary, self.only_binary, |
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88 ) |