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from typing import Optional, Callable
__version__ = "N/A"
IS_RELEASE_BUILD = False
if __version__ in ("N/A",):
import subprocess
class LazyString:
def __init__(self, initializer: Callable[[], str]) -> None:
self._initializer = initializer
self._value: Optional[str] = None
def __str__(self) -> str:
value = object.__getattribute__(self, "_value")
if value is None:
value = object.__getattribute__(self, "_initializer")()
object.__setattr__(self, "_value", value)
return value
def __getattribute__(self, item):
value = str(self)
return getattr(value, item)
def __contains__(self, item):
return item in str(self)
def _initialize_version() -> str:
try:
devnull: Optional[int] = subprocess.DEVNULL
except AttributeError:
devnull = None # Not supported, but not critical
try:
v = (
subprocess.check_output(
["git", "describe", "--tags"],
stderr=devnull,
)
.strip()
.decode("utf-8")
)
except (subprocess.CalledProcessError, FileNotFoundError):
try:
v = (
subprocess.check_output(
["dpkg-parsechangelog", "-SVersion"],
stderr=devnull,
)
.strip()
.decode("utf-8")
)
except (subprocess.CalledProcessError, FileNotFoundError):
v = "N/A"
if v.startswith("debian/"):
v = v[7:]
return v
__version__ = LazyString(_initialize_version)
IS_RELEASE_BUILD = False
else:
# Disregard snapshot versions (gbp dch -S) as "release builds"
IS_RELEASE_BUILD = ".gbp" not in __version__
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