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# This file is part of dh-cmake, and is distributed under the OSI-approved
# BSD 3-Clause license. See top-level LICENSE file or
# https://gitlab.kitware.com/debian/dh-cmake/blob/master/LICENSE for details.
import subprocess
_known_archs = dict()
def debarch_is(real, alias):
global _known_archs
try:
result = _known_archs[(real, alias)]
except KeyError:
result = subprocess.run(
["dpkg-architecture", "-i", alias, "-a", real, "-f"],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
).returncode == 0
_known_archs[(real, alias)] = result
return result
def debarch_contains(real, aliases):
for alias in aliases:
if debarch_is(real, alias):
return True
return False
_dpkg_architecture_values = None
def dpkg_architecture():
global _dpkg_architecture_values
if _dpkg_architecture_values is None:
_dpkg_architecture_values = dict()
proc = subprocess.run(["dpkg-architecture"], stdout=subprocess.PIPE)
output = proc.stdout.decode()
for line in output.split("\n"):
if line:
key, value = line.split("=", maxsplit=1)
_dpkg_architecture_values[key] = value
return _dpkg_architecture_values
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