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"""Defines the characteristics of an iOS version number."""
import re
import attr
from mozilla_version.parser import positive_int_or_none
from .version import ShipItVersion
@attr.s(frozen=True, eq=False, hash=True)
class MobileIosVersion(ShipItVersion):
"""
Class representing an iOS version number.
iOS version numbers are a bit different in that they don't have a patch number
but they have a beta one.
"""
beta_number = attr.ib(type=int, converter=positive_int_or_none, default=None)
_VALID_ENOUGH_VERSION_PATTERN = re.compile(
r"""
^(?P<major_number>\d+)
\.(?P<minor_number>\d+)
(b(?P<beta_number>\d+))?$""",
re.VERBOSE,
)
_OPTIONAL_NUMBERS = ("beta_number",)
_ALL_NUMBERS = ShipItVersion._MANDATORY_NUMBERS + _OPTIONAL_NUMBERS
def __str__(self):
"""
Format the version as a string.
Because iOS is different, the format is "major.minor(.beta)".
"""
version = f"{self.major_number}.{self.minor_number}"
if self.beta_number is not None:
version += f"b{self.beta_number}"
return version
def _create_bump_kwargs(self, field):
"""
Create a version bump for the required field.
Version bumping is a bit different for iOS as we don't have a patch number
despite shipit expecting one. So when asked to bump the patch version, we bump
the minor instead.
"""
if field == "patch_number":
field = "minor_number"
kwargs = super()._create_bump_kwargs(field)
# If we get a bump request for anything but the beta number, remove it
if field != "beta_number":
del kwargs["beta_number"]
return kwargs
@property
def is_beta(self):
"""Returns true if the version is considered a beta one."""
return self.beta_number is not None
@property
def is_release_candidate(self):
"""
Returns true if the version is a release candidate.
For iOS versions, this is always false.
"""
return False
def _compare(self, other):
"""Compare this release with another."""
if isinstance(other, str):
other = MobileIosVersion.parse(other)
if not isinstance(other, MobileIosVersion):
raise ValueError(f'Cannot compare "{other}", type not supported!')
difference = super()._compare(other)
if difference != 0:
return difference
return self._substract_other_number_from_this_number(other, "beta_number")
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