def _do_complex_lookup(self, show_progress=True):
"""Find matches for a query which is a regex or includes globbing."""
result = []
if show_progress and not CONFIG["piping"]:
self.print_summary()
try:
cat = CPV(self.query).category
except errors.GentoolkitInvalidCPV:
cat = ''
pre_filter = []
# The "get_" functions can pre-filter against the whole package key,
# but since we allow globbing now, we run into issues like:
# >>> portage.dep.dep_getkey("sys-apps/portage-*")
# 'sys-apps/portage-'
# So the only way to guarantee we don't overrun the key is to
# prefilter by cat only.
if cat:
if self.is_regex:
cat_re = cat
else:
cat_re = fnmatch.translate(cat)
predicate = lambda x: re.match(cat_re, x.split("/", 1)[0])
pre_filter = self.package_finder(predicate=predicate)
# Post-filter
if self.is_regex:
try:
re.compile(self.query)
except re.error:
raise errors.GentoolkitInvalidRegex(self.query)
predicate = lambda x: re.search(self.query, x)
else:
if cat:
query_re = fnmatch.translate(self.query)
else:
query_re = fnmatch.translate("*/%s" % self.query)
predicate = lambda x: re.search(query_re, x)
if pre_filter:
result = [x for x in pre_filter if predicate(x)]
else:
result = self.package_finder(predicate=predicate)
return [Package(x) for x in result]
def __call__(self, queries):
"""Run the function.
@type queries: iterable
@param queries: filepaths or filepath regexes
"""
query_re_string = self._prepare_search_regex(queries)
try:
query_re = re.compile(query_re_string)
except (TypeError, re.error) as err:
raise errors.GentoolkitInvalidRegex(err)
use_match = False
if ((self.is_regex or query_re_string.startswith('^\/'))
and '|' not in query_re_string):
# If we were passed a regex or a single path starting with root,
# we can use re.match, else use re.search.
use_match = True
pkgset = get_installed_cpvs()
return self.find_owners(query_re, use_match=use_match, pkgset=pkgset)
