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|
import os
from functools import lru_cache
from typing import FrozenSet, Optional, Mapping, Dict
def _parse_deb_build_options(value: str) -> Mapping[str, Optional[str]]:
res: Dict[str, Optional[str]] = {}
for kvish in value.split():
if "=" in kvish:
key, value = kvish.split("=", 1)
res[key] = value
else:
res[kvish] = None
return res
class DebBuildOptionsAndProfiles:
"""Accessor to common environment related values
>>> env = DebBuildOptionsAndProfiles(environ={'DEB_BUILD_PROFILES': 'noudeb nojava'})
>>> 'noudeb' in env.deb_build_profiles
True
>>> 'nojava' in env.deb_build_profiles
True
>>> 'nopython' in env.deb_build_profiles
False
>>> sorted(env.deb_build_profiles)
['nojava', 'noudeb']
"""
def __init__(self, *, environ: Optional[Mapping[str, str]] = None) -> None:
"""Provide a view of the options. Though consider using DebBuildOptionsAndProfiles.instance() instead
:param environ: Alternative to os.environ. Mostly useful for testing purposes
"""
if environ is None:
environ = os.environ
self._deb_build_profiles = frozenset(
x for x in environ.get("DEB_BUILD_PROFILES", "").split()
)
self._deb_build_options = _parse_deb_build_options(
environ.get("DEB_BUILD_OPTIONS", "")
)
@staticmethod
@lru_cache(1)
def instance() -> "DebBuildOptionsAndProfiles":
return DebBuildOptionsAndProfiles()
@property
def deb_build_profiles(self) -> FrozenSet[str]:
"""A set-like view of all build profiles active during the build
>>> env = DebBuildOptionsAndProfiles(environ={'DEB_BUILD_PROFILES': 'noudeb nojava'})
>>> 'noudeb' in env.deb_build_profiles
True
>>> 'nojava' in env.deb_build_profiles
True
>>> 'nopython' in env.deb_build_profiles
False
>>> sorted(env.deb_build_profiles)
['nojava', 'noudeb']
"""
return self._deb_build_profiles
@property
def deb_build_options(self) -> Mapping[str, Optional[str]]:
"""A set-like view of all build profiles active during the build
>>> env = DebBuildOptionsAndProfiles(environ={'DEB_BUILD_OPTIONS': 'nostrip parallel=4'})
>>> 'nostrip' in env.deb_build_options
True
>>> 'parallel' in env.deb_build_options
True
>>> 'noautodbgsym' in env.deb_build_options
False
>>> env.deb_build_options['nostrip'] is None
True
>>> env.deb_build_options['parallel']
'4'
>>> env.deb_build_options['noautodbgsym']
Traceback (most recent call last):
...
KeyError: 'noautodbgsym'
>>> sorted(env.deb_build_options)
['nostrip', 'parallel']
"""
return self._deb_build_options
|
