Python urllib.request.has_header() Examples

def test_custom_headers(self):
        url = "http://www.example.com"
        with support.transient_internet(url):
            opener = urllib.request.build_opener()
            request = urllib.request.Request(url)
            self.assertFalse(request.header_items())
            opener.open(request)
            self.assertTrue(request.header_items())
            self.assertTrue(request.has_header('User-agent'))
            request.add_header('User-Agent','Test-Agent')
            opener.open(request)
            self.assertEqual(request.get_header('User-agent'),'Test-Agent') 

def add_cookie_header(self, request):
        """Add correct Cookie: header to request (urllib.request.Request object).

        The Cookie2 header is also added unless policy.hide_cookie2 is true.

        """
        _debug("add_cookie_header")
        self._cookies_lock.acquire()
        try:

            self._policy._now = self._now = int(time.time())

            cookies = self._cookies_for_request(request)

            attrs = self._cookie_attrs(cookies)
            if attrs:
                if not request.has_header("Cookie"):
                    request.add_unredirected_header(
                        "Cookie", "; ".join(attrs))

            # if necessary, advertise that we know RFC 2965
            if (self._policy.rfc2965 and not self._policy.hide_cookie2 and
                not request.has_header("Cookie2")):
                for cookie in cookies:
                    if cookie.version != 1:
                        request.add_unredirected_header("Cookie2", '$Version="1"')
                        break

        finally:
            self._cookies_lock.release()

        self.clear_expired_cookies() 

def test_custom_headers(self):
        url = "http://www.example.com"
        with support.transient_internet(url):
            opener = urllib.request.build_opener()
            request = urllib.request.Request(url)
            self.assertFalse(request.header_items())
            opener.open(request)
            self.assertTrue(request.header_items())
            self.assertTrue(request.has_header('User-agent'))
            request.add_header('User-Agent','Test-Agent')
            opener.open(request)
            self.assertEqual(request.get_header('User-agent'),'Test-Agent') 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

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_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def add_cookie_header(self, request):
        """Add correct Cookie: header to request (urllib.request.Request object).

        The Cookie2 header is also added unless policy.hide_cookie2 is true.

        """
        _debug("add_cookie_header")
        self._cookies_lock.acquire()
        try:

            self._policy._now = self._now = int(time.time())

            cookies = self._cookies_for_request(request)

            attrs = self._cookie_attrs(cookies)
            if attrs:
                if not request.has_header("Cookie"):
                    request.add_unredirected_header(
                        "Cookie", "; ".join(attrs))

            # if necessary, advertise that we know RFC 2965
            if (self._policy.rfc2965 and not self._policy.hide_cookie2 and
                not request.has_header("Cookie2")):
                for cookie in cookies:
                    if cookie.version != 1:
                        request.add_unredirected_header("Cookie2", '$Version="1"')
                        break

        finally:
            self._cookies_lock.release()

        self.clear_expired_cookies() 

def data(self, data):
        if data != self._data:
            self._data = data
            # issue 16464
            # if we change data we need to remove content-length header
            # (cause it's most probably calculated for previous value)
            if self.has_header("Content-length"):
                self.remove_header("Content-length") 

def data(self, data):
        if data != self._data:
            self._data = data
            # issue 16464
            # if we change data we need to remove content-length header
            # (cause it's most probably calculated for previous value)
            if self.has_header("Content-length"):
                self.remove_header("Content-length") 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def http_request(self, req):
        if (not hasattr(self.passwd, 'is_authenticated') or
           not self.passwd.is_authenticated(req.full_url)):
            return req

        if not req.has_header('Authorization'):
            user, passwd = self.passwd.find_user_password(None, req.full_url)
            credentials = '{0}:{1}'.format(user, passwd).encode()
            auth_str = base64.standard_b64encode(credentials).decode()
            req.add_unredirected_header('Authorization',
                                        'Basic {}'.format(auth_str.strip()))
        return req 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def add_cookie_header(self, request):
        """Add correct Cookie: header to request (urllib.request.Request object).

        The Cookie2 header is also added unless policy.hide_cookie2 is true.

        """
        _debug("add_cookie_header")
        self._cookies_lock.acquire()
        try:

            self._policy._now = self._now = int(time.time())

            cookies = self._cookies_for_request(request)

            attrs = self._cookie_attrs(cookies)
            if attrs:
                if not request.has_header("Cookie"):
                    request.add_unredirected_header(
                        "Cookie", "; ".join(attrs))

            # if necessary, advertise that we know RFC 2965
            if (self._policy.rfc2965 and not self._policy.hide_cookie2 and
                not request.has_header("Cookie2")):
                for cookie in cookies:
                    if cookie.version != 1:
                        request.add_unredirected_header("Cookie2", '$Version="1"')
                        break

        finally:
            self._cookies_lock.release()

        self.clear_expired_cookies() 

def test_custom_headers(self):
        url = support.TEST_HTTP_URL
        with support.transient_internet(url):
            opener = urllib.request.build_opener()
            request = urllib.request.Request(url)
            self.assertFalse(request.header_items())
            opener.open(request)
            self.assertTrue(request.header_items())
            self.assertTrue(request.has_header('User-agent'))
            request.add_header('User-Agent','Test-Agent')
            opener.open(request)
            self.assertEqual(request.get_header('User-agent'),'Test-Agent') 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def add_cookie_header(self, request):
        """Add correct Cookie: header to request (urllib.request.Request object).

        The Cookie2 header is also added unless policy.hide_cookie2 is true.

        """
        _debug("add_cookie_header")
        self._cookies_lock.acquire()
        try:

            self._policy._now = self._now = int(time.time())

            cookies = self._cookies_for_request(request)

            attrs = self._cookie_attrs(cookies)
            if attrs:
                if not request.has_header("Cookie"):
                    request.add_unredirected_header(
                        "Cookie", "; ".join(attrs))

            # if necessary, advertise that we know RFC 2965
            if (self._policy.rfc2965 and not self._policy.hide_cookie2 and
                not request.has_header("Cookie2")):
                for cookie in cookies:
                    if cookie.version != 1:
                        request.add_unredirected_header("Cookie2", '$Version="1"')
                        break

        finally:
            self._cookies_lock.release()

        self.clear_expired_cookies() 

def test_custom_headers(self):
        url = "http://www.example.com"
        with support.transient_internet(url):
            opener = urllib.request.build_opener()
            request = urllib.request.Request(url)
            self.assertFalse(request.header_items())
            opener.open(request)
            self.assertTrue(request.header_items())
            self.assertTrue(request.has_header('User-agent'))
            request.add_header('User-Agent','Test-Agent')
            opener.open(request)
            self.assertEqual(request.get_header('User-agent'),'Test-Agent') 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def data(self, data):
        if data != self._data:
            self._data = data
            # issue 16464
            # if we change data we need to remove content-length header
            # (cause it's most probably calculated for previous value)
            if self.has_header("Content-length"):
                self.remove_header("Content-length") 

def has_header(self, header_name):
        return (header_name in self.headers or
                header_name in self.unredirected_hdrs) 

def http_request(self, req):
        if (not hasattr(self.passwd, 'is_authenticated') or
           not self.passwd.is_authenticated(req.full_url)):
            return req

        if not req.has_header('Authorization'):
            user, passwd = self.passwd.find_user_password(None, req.full_url)
            credentials = '{0}:{1}'.format(user, passwd).encode()
            auth_str = base64.standard_b64encode(credentials).decode()
            req.add_unredirected_header('Authorization',
                                        'Basic {}'.format(auth_str.strip()))
        return req 

def add_cookie_header(self, request):
        """Add correct Cookie: header to request (urllib.request.Request object).

        The Cookie2 header is also added unless policy.hide_cookie2 is true.

        """
        _debug("add_cookie_header")
        self._cookies_lock.acquire()
        try:

            self._policy._now = self._now = int(time.time())

            cookies = self._cookies_for_request(request)

            attrs = self._cookie_attrs(cookies)
            if attrs:
                if not request.has_header("Cookie"):
                    request.add_unredirected_header(
                        "Cookie", "; ".join(attrs))

            # if necessary, advertise that we know RFC 2965
            if (self._policy.rfc2965 and not self._policy.hide_cookie2 and
                not request.has_header("Cookie2")):
                for cookie in cookies:
                    if cookie.version != 1:
                        request.add_unredirected_header("Cookie2", '$Version="1"')
                        break

        finally:
            self._cookies_lock.release()

        self.clear_expired_cookies()