self.cache['dependents'] = result
return self.cache['dependents']
- def getDependents(self) -> list[GLModule]:
+ def getDependents(self, top_level: bool | None = True) -> list[GLModule]:
'''Return list of dependents (a.k.a. "reverse dependencies"),
as a list of GLModule objects.
- GLConfig: localpath.'''
- return self._getDependents()
+ GLConfig: localpath. Arguments are:
+ - top_level: Optional argument, to use an optimized version from main().'''
+ # Only use optimized version, below if called from the main().
+ if not top_level:
+ return self._getDependents()
+ localpath = self.config['localpath']
+ # Find a set of module candidates quickly.
+ # Convert the module name to a POSIX basic regex.
+ # Needs to handle . [ \ * ^ $.
+ regex = self.name.replace('\\', '\\\\').replace('[', '\\[').replace('^', '\\^')
+ regex = re.compile(r'([.*$])').sub(r'[\1]', regex)
+ line_regex = '^' + regex
+ # We can't add a '$' to line_regex, because that would fail to match
+ # lines that denote conditional dependencies. We could invoke grep
+ # twice, once to search for line_regex + '$' and once to search
+ # for line_regex + [ <TAB>] but that would be twice as slow.
+ # Read module candidates from gnulib root directory.
+ command = "find modules -type f -print | xargs -n 100 grep -l %s /dev/null | sed -e 's,^modules/,,'" % shlex.quote(line_regex)
+ result = sp.run(command, shell=True, cwd=DIRS['root'], capture_output=True).stdout.decode('utf-8')
+ if localpath != None and len(localpath) > 0:
+ command = "find modules -type f -print | xargs -n 100 grep -l %s /dev/null | sed -e 's,^modules/,,' -e 's,\\.diff$,,'" % shlex.quote(line_regex)
+ for localdir in localpath:
+ result += sp.run(command, shell=True, cwd=localdir, capture_output=True).stdout.decode('utf-8')
+ listing = [ line
+ for line in result.split('\n')
+ if line.strip() ]
+ # Remove modules/ prefix from each file name.
+ pattern = re.compile(r'^modules/')
+ listing = [ pattern.sub('', line)
+ for line in listing ]
+ # Filter out undesired file names.
+ listing = [ line
+ for line in listing
+ if self.modulesystem.file_is_module(line) ]
+ # ${module}-tests implicitly depends on ${module}, if both exist.
+ if self.isNonTests():
+ implicit_dependent = self.name+'-tests'
+ if self.modulesystem.exists(implicit_dependent):
+ listing.append(implicit_dependent)
+ candidates = sorted(set(listing))
+ result = []
+ for name in candidates:
+ module = self.modulesystem.find(name)
+ if module: # Ignore module candidates that don't actually exist.
+ if self in module.getDependenciesWithoutConditions():
+ result.append(module)
+ self.cache['dependents'] = result
+ return self.cache['dependents']
+
def getDependentsRecursively(self) -> set[GLModule]:
'''Return a list of recursive dependents of this module,