Method exists

pattern/web/__init__.py:435–447

Yields False if the URL generates a HTTP404NotFound error.

(self, timeout=10)

    @property
    def exists(self, timeout=10):
        """ Yields False if the URL generates a HTTP404NotFound error.
        """
        try: self.open(timeout)
        except HTTP404NotFound:
            return False
        except HTTPError, URLTimeoutError:
            return True
        except URLError:
            return False
        except:
            return True
        return True

    @property
    def mimetype(self, timeout=10):