Файловый менеджер

Файловый менеджер - Редактировать - /opt/cloudlinux/venv/lib/python3.11/site-packages/requirements_detector/poetry_semver/version_union.py

Назад
from typing import List import semver from .empty_constraint import EmptyConstraint from .version_constraint import VersionConstraint class VersionUnion(VersionConstraint): """ A version constraint representing a union of multiple disjoint version ranges. An instance of this will only be created if the version can't be represented as a non-compound value. """ def __init__(self, ranges): self._ranges = list(ranges) @property def ranges(self): return self._ranges @classmethod def of(cls, ranges): from .version_range import VersionRange flattened = [] for constraint in ranges: if constraint.is_empty(): continue if isinstance(constraint, VersionUnion): flattened += constraint.ranges continue flattened.append(constraint) if not flattened: return EmptyConstraint() if any([constraint.is_any() for constraint in flattened]): return VersionRange() # Only allow Versions and VersionRanges here so we can more easily reason # about everything in flattened. _EmptyVersions and VersionUnions are # filtered out above. for constraint in flattened: if isinstance(constraint, VersionRange): continue raise ValueError("Unknown VersionConstraint type {}.".format(constraint)) flattened.sort() merged = [] for constraint in flattened: # Merge this constraint with the previous one, but only if they touch. if not merged or (not merged[-1].allows_any(constraint) and not merged[-1].is_adjacent_to(constraint)): merged.append(constraint) else: merged[-1] = merged[-1].union(constraint) if len(merged) == 1: return merged[0] return VersionUnion(merged) def is_empty(self): return False def is_any(self): return False def allows(self, version): # type: (semver.Version) -> bool return any([constraint.allows(version) for constraint in self._ranges]) def allows_all(self, other): # type: (VersionConstraint) -> bool our_ranges = iter(self._ranges) their_ranges = iter(self._ranges_for(other)) our_current_range = next(our_ranges, None) their_current_range = next(their_ranges, None) while our_current_range and their_current_range: if our_current_range.allows_all(their_current_range): their_current_range = next(their_ranges, None) else: our_current_range = next(our_ranges, None) return their_current_range is None def allows_any(self, other): # type: (VersionConstraint) -> bool our_ranges = iter(self._ranges) their_ranges = iter(self._ranges_for(other)) our_current_range = next(our_ranges, None) their_current_range = next(their_ranges, None) while our_current_range and their_current_range: if our_current_range.allows_any(their_current_range): return True if their_current_range.allows_higher(our_current_range): our_current_range = next(our_ranges, None) else: their_current_range = next(their_ranges, None) return False def intersect(self, other): # type: (VersionConstraint) -> VersionConstraint our_ranges = iter(self._ranges) their_ranges = iter(self._ranges_for(other)) new_ranges = [] our_current_range = next(our_ranges, None) their_current_range = next(their_ranges, None) while our_current_range and their_current_range: intersection = our_current_range.intersect(their_current_range) if not intersection.is_empty(): new_ranges.append(intersection) if their_current_range.allows_higher(our_current_range): our_current_range = next(our_ranges, None) else: their_current_range = next(their_ranges, None) return VersionUnion.of(new_ranges) def union(self, other): # type: (VersionConstraint) -> VersionConstraint return VersionUnion.of(self, other) def difference(self, other): # type: (VersionConstraint) -> VersionConstraint our_ranges = iter(self._ranges) their_ranges = iter(self._ranges_for(other)) new_ranges = [] state = { "current": next(our_ranges, None), "their_range": next(their_ranges, None), } def their_next_range(): state["their_range"] = next(their_ranges, None) if state["their_range"]: return True new_ranges.append(state["current"]) our_current = next(our_ranges, None) while our_current: new_ranges.append(our_current) our_current = next(our_ranges, None) return False def our_next_range(include_current=True): if include_current: new_ranges.append(state["current"]) our_current = next(our_ranges, None) if not our_current: return False state["current"] = our_current return True while True: if state["their_range"] is None: break if state["their_range"].is_strictly_lower(state["current"]): if not their_next_range(): break continue if state["their_range"].is_strictly_higher(state["current"]): if not our_next_range(): break continue difference = state["current"].difference(state["their_range"]) if isinstance(difference, VersionUnion): assert len(difference.ranges) == 2 new_ranges.append(difference.ranges[0]) state["current"] = difference.ranges[-1] if not their_next_range(): break elif difference.is_empty(): if not our_next_range(False): break else: state["current"] = difference if state["current"].allows_higher(state["their_range"]): if not their_next_range(): break else: if not our_next_range(): break if not new_ranges: return EmptyConstraint() if len(new_ranges) == 1: return new_ranges[0] return VersionUnion.of(*new_ranges) def _ranges_for(self, constraint): # type: (VersionConstraint) -> List[semver.VersionRange] from .version_range import VersionRange if constraint.is_empty(): return [] if isinstance(constraint, VersionUnion): return constraint.ranges if isinstance(constraint, VersionRange): return [constraint] raise ValueError("Unknown VersionConstraint type {}".format(constraint)) def _excludes_single_version(self): # type: () -> bool from .version import Version from .version_range import VersionRange return isinstance(VersionRange().difference(self), Version) def __eq__(self, other): if not isinstance(other, VersionUnion): return False return self._ranges == other.ranges def __str__(self): from .version_range import VersionRange if self._excludes_single_version(): return "!={}".format(VersionRange().difference(self)) return " \|\| ".join([str(r) for r in self._ranges]) def __repr__(self): return "<VersionUnion {}>".format(str(self))

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