测试gitnore

venv/Lib/site-packages/django/middleware/http.py

@@ -1,4 +1,6 @@
-from django.utils.cache import cc_delim_re, get_conditional_response, set_response_etag
+from django.utils.cache import (
+    cc_delim_re, get_conditional_response, set_response_etag,
+)
 from django.utils.deprecation import MiddlewareMixin
 from django.utils.http import parse_http_date_safe
 
@@ -9,19 +11,18 @@ class ConditionalGetMiddleware(MiddlewareMixin):
     Last-Modified header and the request has If-None-Match or If-Modified-Since,
     replace the response with HttpNotModified. Add an ETag header if needed.
     """
-
     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":
+        if request.method != 'GET':
             return response
 
-        if self.needs_etag(response) and not response.has_header("ETag"):
+        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")
+        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:
@@ -36,5 +37,5 @@ class ConditionalGetMiddleware(MiddlewareMixin):
 
     def needs_etag(self, response):
         """Return True if an ETag header should be added to response."""
-        cache_control_headers = cc_delim_re.split(response.get("Cache-Control", ""))
-        return all(header.lower() != "no-store" for header in cache_control_headers)
+        cache_control_headers = cc_delim_re.split(response.get('Cache-Control', ''))
+        return all(header.lower() != 'no-store' for header in cache_control_headers)