0x1998 - MANAGER

Düzenlenen Dosya: version_range.py

from typing import List

import semver

from .empty_constraint import EmptyConstraint
from .version_constraint import VersionConstraint
from .version_union import VersionUnion

class VersionRange(VersionConstraint):
    def __init__(
        self,
        min=None,
        max=None,
        include_min=False,
        include_max=False,
        always_include_max_prerelease=False,
    ):
        full_max = max
        if (
            always_include_max_prerelease
            and not include_max
            and not full_max.is_prerelease()
            and not full_max.build
            and (min is None or not min.is_prerelease() or not min.equals_without_prerelease(full_max))
        ):
            full_max = full_max.first_prerelease

self._min = min
        self._max = max
        self._full_max = full_max
        self._include_min = include_min
        self._include_max = include_max

@property
    def min(self):
        return self._min

@property
    def max(self):
        return self._max

@property
    def full_max(self):
        return self._full_max

@property
    def include_min(self):
        return self._include_min

@property
    def include_max(self):
        return self._include_max

def is_empty(self):
        return False

def is_any(self):
        return self._min is None and self._max is None

def allows(self, other):  # type: (semver.Version) -> bool
        if self._min is not None:
            if other < self._min:
                return False

if not self._include_min and other == self._min:
                return False

if self._max is not None:
            if other > self._max:
                return False

if not self._include_max and other == self._max:
                return False

return True

def allows_all(self, other):  # type: (VersionConstraint) -> bool
        from .version import Version

if other.is_empty():
            return True

if isinstance(other, Version):
            return self.allows(other)

if isinstance(other, VersionUnion):
            return all([self.allows_all(constraint) for constraint in other.ranges])

if isinstance(other, VersionRange):
            return not other.allows_lower(self) and not other.allows_higher(self)

raise ValueError("Unknown VersionConstraint type {}.".format(other))

def allows_any(self, other):  # type: (VersionConstraint) -> bool
        from .version import Version

if other.is_empty():
            return False

if isinstance(other, Version):
            return self.allows(other)

if isinstance(other, VersionUnion):
            return any([self.allows_any(constraint) for constraint in other.ranges])

if isinstance(other, VersionRange):
            return not other.is_strictly_lower(self) and not other.is_strictly_higher(self)

raise ValueError("Unknown VersionConstraint type {}.".format(other))

def intersect(self, other):  # type: (VersionConstraint) -> VersionConstraint
        from .version import Version

if other.is_empty():
            return other

if isinstance(other, VersionUnion):
            return other.intersect(self)

# A range and a Version just yields the version if it's in the range.
        if isinstance(other, Version):
            if self.allows(other):
                return other

return EmptyConstraint()

if not isinstance(other, VersionRange):
            raise ValueError("Unknown VersionConstraint type {}.".format(other))

if self.allows_lower(other):
            if self.is_strictly_lower(other):
                return EmptyConstraint()

intersect_min = other.min
            intersect_include_min = other.include_min
        else:
            if other.is_strictly_lower(self):
                return EmptyConstraint()

intersect_min = self._min
            intersect_include_min = self._include_min

if self.allows_higher(other):
            intersect_max = other.max
            intersect_include_max = other.include_max
        else:
            intersect_max = self._max
            intersect_include_max = self._include_max

if intersect_min is None and intersect_max is None:
            return VersionRange()

# If the range is just a single version.
        if intersect_min == intersect_max:
            # Because we already verified that the lower range isn't strictly
            # lower, there must be some overlap.
            assert intersect_include_min and intersect_include_max

return intersect_min

# If we got here, there is an actual range.
        return VersionRange(intersect_min, intersect_max, intersect_include_min, intersect_include_max)

def union(self, other):  # type: (VersionConstraint) -> VersionConstraint
        from .version import Version

if isinstance(other, Version):
            if self.allows(other):
                return self

if other == self.min:
                return VersionRange(self.min, self.max, include_min=True, include_max=self.include_max)

if other == self.max:
                return VersionRange(self.min, self.max, include_min=self.include_min, include_max=True)

return VersionUnion.of(self, other)

if isinstance(other, VersionRange):
            # If the two ranges don't overlap, we won't be able to create a single
            # VersionRange for both of them.
            edges_touch = (self.max == other.min and (self.include_max or other.include_min)) or (
                self.min == other.max and (self.include_min or other.include_max)
            )

if not edges_touch and not self.allows_any(other):
                return VersionUnion.of(self, other)

if self.allows_lower(other):
                union_min = self.min
                union_include_min = self.include_min
            else:
                union_min = other.min
                union_include_min = other.include_min

if self.allows_higher(other):
                union_max = self.max
                union_include_max = self.include_max
            else:
                union_max = other.max
                union_include_max = other.include_max

return VersionRange(
                union_min,
                union_max,
                include_min=union_include_min,
                include_max=union_include_max,
            )

return VersionUnion.of(self, other)

def difference(self, other):  # type: (VersionConstraint) -> VersionConstraint
        from .version import Version

if other.is_empty():
            return self

if isinstance(other, Version):
            if not self.allows(other):
                return self

if other == self.min:
                if not self.include_min:
                    return self

return VersionRange(self.min, self.max, False, self.include_max)

if other == self.max:
                if not self.include_max:
                    return self

return VersionRange(self.min, self.max, self.include_min, False)

return VersionUnion.of(
                VersionRange(self.min, other, self.include_min, False),
                VersionRange(other, self.max, False, self.include_max),
            )
        elif isinstance(other, VersionRange):
            if not self.allows_any(other):
                return self

if not self.allows_lower(other):
                before = None
            elif self.min == other.min:
                before = self.min
            else:
                before = VersionRange(self.min, other.min, self.include_min, not other.include_min)

if not self.allows_higher(other):
                after = None
            elif self.max == other.max:
                after = self.max
            else:
                after = VersionRange(other.max, self.max, not other.include_max, self.include_max)

if before is None and after is None:
                return EmptyConstraint()

if before is None:
                return after

if after is None:
                return before

return VersionUnion.of(before, after)
        elif isinstance(other, VersionUnion):
            ranges = []  # type: List[VersionRange]
            current = self

for range in other.ranges:
                # Skip any ranges that are strictly lower than [current].
                if range.is_strictly_lower(current):
                    continue

# If we reach a range strictly higher than [current], no more ranges
                # will be relevant so we can bail early.
                if range.is_strictly_higher(current):
                    break

difference = current.difference(range)
                if difference.is_empty():
                    return EmptyConstraint()
                elif isinstance(difference, VersionUnion):
                    # If [range] split [current] in half, we only need to continue
                    # checking future ranges against the latter half.
                    ranges.append(difference.ranges[0])
                    current = difference.ranges[-1]
                else:
                    current = difference

if not ranges:
                return current

return VersionUnion.of(*(ranges + [current]))

raise ValueError("Unknown VersionConstraint type {}.".format(other))

def allows_lower(self, other):  # type: (VersionRange) -> bool
        if self.min is None:
            return other.min is not None

if other.min is None:
            return False

if self.min < other.min:
            return True

if self.min > other.min:
            return False

return self.include_min and not other.include_min

def allows_higher(self, other):  # type: (VersionRange) -> bool
        if self.max is None:
            return other.max is not None

if other.max is None:
            return False

if self.max < other.max:
            return False

if self.max > other.max:
            return True

return self.include_max and not other.include_max

def is_strictly_lower(self, other):  # type: (VersionRange) -> bool
        if self.max is None or other.min is None:
            return False

if self.full_max < other.min:
            return True

if self.full_max > other.min:
            return False

return not self.include_max or not other.include_min

def is_strictly_higher(self, other):  # type: (VersionRange) -> bool
        return other.is_strictly_lower(self)

def is_adjacent_to(self, other):  # type: (VersionRange) -> bool
        if self.max != other.min:
            return False

return self.include_max and not other.include_min or not self.include_max and other.include_min

def __eq__(self, other):
        if not isinstance(other, VersionRange):
            return False

return (
            self._min == other.min
            and self._max == other.max
            and self._include_min == other.include_min
            and self._include_max == other.include_max
        )

def __lt__(self, other):
        return self._cmp(other) < 0

def __le__(self, other):
        return self._cmp(other) <= 0

def __gt__(self, other):
        return self._cmp(other) > 0

def __ge__(self, other):
        return self._cmp(other) >= 0

def _cmp(self, other):  # type: (VersionRange) -> int
        if self.min is None:
            if other.min is None:
                return self._compare_max(other)

return -1
        elif other.min is None:
            return 1

result = self.min._cmp(other.min)
        if result != 0:
            return result

if self.include_min != other.include_min:
            return -1 if self.include_min else 1

return self._compare_max(other)

def _compare_max(self, other):  # type: (VersionRange) -> int
        if self.max is None:
            if other.max is None:
                return 0

return 1
        elif other.max is None:
            return -1

result = self.max._cmp(other.max)
        if result != 0:
            return result

if self.include_max != other.include_max:
            return 1 if self.include_max else -1

return 0

def __str__(self):
        text = ""

if self.min is not None:
            text += ">=" if self.include_min else ">"
            text += self.min.text

if self.max is not None:
            if self.min is not None:
                text += ","

text += "{}{}".format("<=" if self.include_max else "<", self.max.text)

if self.min is None and self.max is None:
            return "*"

return text

def __repr__(self):
        return "<VersionRange ({})>".format(str(self))

def __hash__(self):
        return hash((self.min, self.max, self.include_min, self.include_max))

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