| from typing import FrozenSet, Optional, Set |
| |
| from pip._vendor.packaging.utils import canonicalize_name |
| |
| from pip._internal.exceptions import CommandError |
| |
| |
| class FormatControl: |
| """Helper for managing formats from which a package can be installed.""" |
| |
| __slots__ = ["no_binary", "only_binary"] |
| |
| def __init__( |
| self, |
| no_binary: Optional[Set[str]] = None, |
| only_binary: Optional[Set[str]] = None, |
| ) -> None: |
| if no_binary is None: |
| no_binary = set() |
| if only_binary is None: |
| only_binary = set() |
| |
| self.no_binary = no_binary |
| self.only_binary = only_binary |
| |
| def __eq__(self, other: object) -> bool: |
| if not isinstance(other, self.__class__): |
| return NotImplemented |
| |
| if self.__slots__ != other.__slots__: |
| return False |
| |
| return all(getattr(self, k) == getattr(other, k) for k in self.__slots__) |
| |
| def __repr__(self) -> str: |
| return "{}({}, {})".format( |
| self.__class__.__name__, self.no_binary, self.only_binary |
| ) |
| |
| @staticmethod |
| def handle_mutual_excludes(value: str, target: Set[str], other: Set[str]) -> None: |
| if value.startswith("-"): |
| raise CommandError( |
| "--no-binary / --only-binary option requires 1 argument." |
| ) |
| new = value.split(",") |
| while ":all:" in new: |
| other.clear() |
| target.clear() |
| target.add(":all:") |
| del new[: new.index(":all:") + 1] |
| # Without a none, we want to discard everything as :all: covers it |
| if ":none:" not in new: |
| return |
| for name in new: |
| if name == ":none:": |
| target.clear() |
| continue |
| name = canonicalize_name(name) |
| other.discard(name) |
| target.add(name) |
| |
| def get_allowed_formats(self, canonical_name: str) -> FrozenSet[str]: |
| result = {"binary", "source"} |
| if canonical_name in self.only_binary: |
| result.discard("source") |
| elif canonical_name in self.no_binary: |
| result.discard("binary") |
| elif ":all:" in self.only_binary: |
| result.discard("source") |
| elif ":all:" in self.no_binary: |
| result.discard("binary") |
| return frozenset(result) |
| |
| def disallow_binaries(self) -> None: |
| self.handle_mutual_excludes( |
| ":all:", |
| self.no_binary, |
| self.only_binary, |
| ) |
