def find_versions_of_archive(archive_url, **kwargs):
list_url = kwargs.get('list_url', None)
list_depth = kwargs.get('list_depth', 1)
wildcard = kwargs.get('wildcard', None)
if not list_url:
list_url = os.path.dirname(archive_url)
if not wildcard:
wildcard = url.parse_version(archive_url).wildcard()
versions = VersionList()
url_regex = os.path.basename(url.wildcard_version(archive_url))
page_map = get_pages(list_url, depth=list_depth)
for site, page in page_map.iteritems():
strings = re.findall(url_regex, page)
for s in strings:
match = re.search(wildcard, s)
if match:
v = match.group(0)
versions.add(Version(v))
return versions
def default_version(self):
"""Get the version in the default URL for this package,
or fails."""
try:
return url.parse_version(self.__class__.url)
except UndetectableVersionError:
tty.die("Couldn't extract a default version from %s. You " +
"must specify it explicitly in the package." % self.url)
