Exemplo n.º 1
0
    def getPage(self, url, headers=None, method="GET", body=None, protocol=None):
        """Open the url with debugging support. Return status, headers, body."""
        ServerError.on = False

        url = always_bytes(url)
        body = always_bytes(body)

        self.url = url
        self.time = None
        start = time.time()
        result = openURL(url, headers, method, body, self.HOST, self.PORT,
                         self.HTTP_CONN, protocol or self.PROTOCOL)
        self.time = time.time() - start
        self.status, self.headers, self.body = result

        # Build a list of request cookies from the previous response cookies.
        self.cookies = [('Cookie', v) for k, v in self.headers
                        if k.lower() == 'set-cookie']

        if ServerError.on:
            raise ServerError()
        return result
Exemplo n.º 2
0
def openURL(url, headers=None, method="GET", body=None,
            host="127.0.0.1", port=8000, http_conn=HTTPConnection,
            protocol="HTTP/1.1"):
    """Open the given HTTP resource and return status, headers, and body."""

    headers = cleanHeaders(headers, method, body, host, port)

    # Trying 10 times is simply in case of socket errors.
    # Normal case--it should run once.
    for trial in range(10):
        try:
            # Allow http_conn to be a class or an instance
            if hasattr(http_conn, "host"):
                conn = http_conn
            else:
                conn = http_conn(interface(host), port)

            conn._http_vsn_str = protocol
            conn._http_vsn = int("".join([x for x in protocol if x.isdigit()]))

            # skip_accept_encoding argument added in python version 2.4
            if sys.version_info < (2, 4):
                def putheader(self, header, value):
                    if header == 'Accept-Encoding' and value == 'identity':
                        return
                    self.__class__.putheader(self, header, value)
                import new
                conn.putheader = new.instancemethod(putheader, conn, conn.__class__)
                conn.putrequest(method.upper(), url, skip_host=True)
            elif not py3k:
                conn.putrequest(method.upper(), url, skip_host=True,
                                skip_accept_encoding=True)
            else:
                import http.client
                # Replace the stdlib method, which only accepts ASCII url's
                def putrequest(self, method, url):
                    if self._HTTPConnection__response and self._HTTPConnection__response.isclosed():
                        self._HTTPConnection__response = None

                    if self._HTTPConnection__state == http.client._CS_IDLE:
                        self._HTTPConnection__state = http.client._CS_REQ_STARTED
                    else:
                        raise http.client.CannotSendRequest()

                    self._method = method
                    if not url:
                        url = ntob('/')
                    request = ntob(' ').join((method.encode("ASCII"), url,
                                              self._http_vsn_str.encode("ASCII")))
                    self._output(request)
                import types
                conn.putrequest = types.MethodType(putrequest, conn)

                conn.putrequest(method.upper(), url)

            for key, value in headers:
                conn.putheader(key, always_bytes(value, "Latin-1"))
            conn.endheaders()

            if body is not None:
                conn.send(body)

            # Handle response
            response = conn.getresponse()

            s, h, b = shb(response)

            if not hasattr(http_conn, "host"):
                # We made our own conn instance. Close it.
                conn.close()

            return s, h, b
        except socket.error:
            time.sleep(0.5)
            if trial == 9:
                raise