Python urllib.request 模块，has_proxy() 实例源码

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                raise TypeError("POST data should be bytes"
                        " or an iterable of bytes. It cannot be str.")
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                try:
                    mv = memoryview(data)
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % (len(mv) * mv.itemsize))

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                try:
                    mv = memoryview(data)
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % (len(mv) * mv.itemsize))

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                try:
                    mv = memoryview(data)
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % (len(mv) * mv.itemsize))

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def has_proxy(self):
        return self.selector == self.full_url

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request

def do_request_(self, request):
        host = request.host
        if not host:
            raise URLError('no host given')

        if request.data is not None:  # POST
            data = request.data
            if isinstance(data, str):
                msg = "POST data should be bytes or an iterable of bytes. " \
                      "It cannot be of type str."
                raise TypeError(msg)
            if not request.has_header('Content-type'):
                request.add_unredirected_header(
                    'Content-type',
                    'application/x-www-form-urlencoded')
            if not request.has_header('Content-length'):
                size = None
                try:
                    ### For Python-Future:
                    if PY2 and isinstance(data, array.array):
                        # memoryviews of arrays aren't supported
                        # in Py2.7. (e.g. memoryview(array.array('I',
                        # [1, 2, 3, 4])) raises a TypeError.)
                        # So we calculate the size manually instead:
                        size = len(data) * data.itemsize
                    ###
                    else:
                        mv = memoryview(data)
                        size = len(mv) * mv.itemsize
                except TypeError:
                    if isinstance(data, collections.Iterable):
                        raise ValueError("Content-Length should be specified "
                                "for iterable data of type %r %r" % (type(data),
                                data))
                else:
                    request.add_unredirected_header(
                            'Content-length', '%d' % size)

        sel_host = host
        if request.has_proxy():
            scheme, sel = splittype(request.selector)
            sel_host, sel_path = splithost(sel)
        if not request.has_header('Host'):
            request.add_unredirected_header('Host', sel_host)
        for name, value in self.parent.addheaders:
            name = name.capitalize()
            if not request.has_header(name):
                request.add_unredirected_header(name, value)

        return request