+
+def get_target_install_filename(target, filename):
+ '''
+ Checks whether this file is one of the files installed by the target
+ '''
+ basename = os.path.basename(filename)
+ for install_filename in listify(target['install_filename']):
+ if install_filename.endswith(basename):
+ return install_filename
+ return None
+
+
+def get_pkgconfig_variable_from_pcfile(pcfile, varname):
+ variables = {}
+ substre = re.compile('\$\{[^${}]+\}')
+ with pcfile.open('r', encoding='utf-8') as f:
+ for line in f:
+ if '=' not in line:
+ continue
+ key, value = line[:-1].split('=', 1)
+ subst = {}
+ for each in substre.findall(value):
+ substkey = each[2:-1]
+ subst[each] = variables.get(substkey, '')
+ for k, v in subst.items():
+ value = value.replace(k, v)
+ variables[key] = value
+ return variables.get(varname, '')
+
+
+@lru_cache()
+def get_pkgconfig_variable(builddir, pcname, varname):
+ '''
+ Parsing isn't perfect, but it's good enough.
+ '''
+ pcfile = Path(builddir) / 'meson-private' / (pcname + '.pc')
+ if pcfile.is_file():
+ return get_pkgconfig_variable_from_pcfile(pcfile, varname)
+ return subprocess.check_output(['pkg-config', pcname, '--variable=' + varname],
+ universal_newlines=True, encoding='utf-8')
+
+
+def is_gio_module(target, filename, builddir):
+ if target['type'] != 'shared module':
+ return False
+ install_filename = get_target_install_filename(target, filename)
+ if not install_filename:
+ return False
+ giomoduledir = PurePath(get_pkgconfig_variable(builddir, 'gio-2.0', 'giomoduledir'))
+ fpath = PurePath(install_filename)
+ if fpath.parent != giomoduledir:
+ return False
+ return True
+
+