Python django.utils.http.parse_http_date_safe() Examples

The following are 7 code examples of django.utils.http.parse_http_date_safe(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module django.utils.http , or try the search function .
Example #1
Source File: http.py    From bioforum with MIT License 6 votes vote down vote up 
def process_response(self, request, response):
        # It's too late to prevent an unsafe request with a 412 response, and
        # for a HEAD request, the response body is always empty so computing
        # an accurate ETag isn't possible.
        if request.method != 'GET':
            return response

        if self.needs_etag(response) and not response.has_header('ETag'):
            set_response_etag(response)

        etag = response.get('ETag')
        last_modified = response.get('Last-Modified')
        if last_modified:
            last_modified = parse_http_date_safe(last_modified)

        if etag or last_modified:
            return get_conditional_response(
                request,
                etag=etag,
                last_modified=last_modified,
                response=response,
            )

        return response
Example #2
Source File: http.py    From Hands-On-Application-Development-with-PyCharm with MIT License 6 votes vote down vote up 
def process_response(self, request, response):
        # It's too late to prevent an unsafe request with a 412 response, and
        # for a HEAD request, the response body is always empty so computing
        # an accurate ETag isn't possible.
        if request.method != 'GET':
            return response

        if self.needs_etag(response) and not response.has_header('ETag'):
            set_response_etag(response)

        etag = response.get('ETag')
        last_modified = response.get('Last-Modified')
        last_modified = last_modified and parse_http_date_safe(last_modified)

        if etag or last_modified:
            return get_conditional_response(
                request,
                etag=etag,
                last_modified=last_modified,
                response=response,
            )

        return response
Example #3
Source File: http.py    From python with Apache License 2.0 6 votes vote down vote up 
def process_response(self, request, response):
        # It's too late to prevent an unsafe request with a 412 response, and
        # for a HEAD request, the response body is always empty so computing
        # an accurate ETag isn't possible.
        if request.method != 'GET':
            return response

        if self.needs_etag(response) and not response.has_header('ETag'):
            set_response_etag(response)

        etag = response.get('ETag')
        last_modified = response.get('Last-Modified')
        if last_modified:
            last_modified = parse_http_date_safe(last_modified)

        if etag or last_modified:
            return get_conditional_response(
                request,
                etag=etag,
                last_modified=last_modified,
                response=response,
            )

        return response
Example #4
Source File: http.py    From luscan-devel with GNU General Public License v2.0 6 votes vote down vote up 
def process_response(self, request, response):
        response['Date'] = http_date()
        if not response.streaming and not response.has_header('Content-Length'):
            response['Content-Length'] = str(len(response.content))

        if response.has_header('ETag'):
            if_none_match = request.META.get('HTTP_IF_NONE_MATCH')
            if if_none_match == response['ETag']:
                # Setting the status is enough here. The response handling path
                # automatically removes content for this status code (in
                # http.conditional_content_removal()).
                response.status_code = 304

        if response.has_header('Last-Modified'):
            if_modified_since = request.META.get('HTTP_IF_MODIFIED_SINCE')
            if if_modified_since is not None:
                if_modified_since = parse_http_date_safe(if_modified_since)
            if if_modified_since is not None:
                last_modified = parse_http_date_safe(response['Last-Modified'])
                if last_modified is not None and last_modified <= if_modified_since:
                    # Setting the status code is enough here (same reasons as
                    # above).
                    response.status_code = 304

        return response
Example #5
Source File: http.py    From openhgsenti with Apache License 2.0 6 votes vote down vote up 
def process_response(self, request, response):
        response['Date'] = http_date()
        if not response.streaming and not response.has_header('Content-Length'):
            response['Content-Length'] = str(len(response.content))

        etag = response.get('ETag')
        last_modified = response.get('Last-Modified')
        if last_modified:
            last_modified = parse_http_date_safe(last_modified)

        if etag or last_modified:
            return get_conditional_response(
                request,
                etag=etag,
                last_modified=last_modified,
                response=response,
            )

        return response
Example #6
Source File: http.py    From python2017 with MIT License 6 votes vote down vote up 
def process_response(self, request, response):
        # It's too late to prevent an unsafe request with a 412 response, and
        # for a HEAD request, the response body is always empty so computing
        # an accurate ETag isn't possible.
        if request.method != 'GET':
            return response

        if self.needs_etag(response) and not response.has_header('ETag'):
            set_response_etag(response)

        etag = response.get('ETag')
        last_modified = response.get('Last-Modified')
        if last_modified:
            last_modified = parse_http_date_safe(last_modified)

        if etag or last_modified:
            return get_conditional_response(
                request,
                etag=etag,
                last_modified=last_modified,
                response=response,
            )

        return response
Example #7
Source File: http.py    From GTDWeb with GNU General Public License v2.0 5 votes vote down vote up 
def process_response(self, request, response):
        response['Date'] = http_date()
        if not response.streaming and not response.has_header('Content-Length'):
            response['Content-Length'] = str(len(response.content))

        # If-None-Match must be ignored if original result would be anything
        # other than a 2XX or 304 status. 304 status would result in no change.
        # http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.26
        if 200 <= response.status_code < 300 and response.has_header('ETag'):
            if_none_match = request.META.get('HTTP_IF_NONE_MATCH')
            if if_none_match == response['ETag']:
                # Setting the status is enough here. The response handling path
                # automatically removes content for this status code (in
                # http.conditional_content_removal()).
                response.status_code = 304

        # If-Modified-Since must be ignored if the original result was not a 200.
        # http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.25
        if response.status_code == 200 and response.has_header('Last-Modified'):
            if_modified_since = request.META.get('HTTP_IF_MODIFIED_SINCE')
            if if_modified_since is not None:
                if_modified_since = parse_http_date_safe(if_modified_since)
            if if_modified_since is not None:
                last_modified = parse_http_date_safe(response['Last-Modified'])
                if last_modified is not None and last_modified <= if_modified_since:
                    # Setting the status code is enough here (same reasons as
                    # above).
                    response.status_code = 304

        return response