我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用werkzeug.http.is_resource_modified()。
def test_is_resource_modified(self): env = create_environ() # ignore POST env['REQUEST_METHOD'] = 'POST' assert not http.is_resource_modified(env, etag='testing') env['REQUEST_METHOD'] = 'GET' # etagify from data self.assert_raises(TypeError, http.is_resource_modified, env, data='42', etag='23') env['HTTP_IF_NONE_MATCH'] = http.generate_etag(b'awesome') assert not http.is_resource_modified(env, data=b'awesome') env['HTTP_IF_MODIFIED_SINCE'] = http.http_date(datetime(2008, 1, 1, 12, 30)) assert not http.is_resource_modified(env, last_modified=datetime(2008, 1, 1, 12, 00)) assert http.is_resource_modified(env, last_modified=datetime(2008, 1, 1, 13, 00))
def __call__(self, environ, start_response): cleaned_path = get_path_info(environ) if PY2: cleaned_path = cleaned_path.encode(get_filesystem_encoding()) # sanitize the path for non unix systems cleaned_path = cleaned_path.strip('/') for sep in os.sep, os.altsep: if sep and sep != '/': cleaned_path = cleaned_path.replace(sep, '/') path = '/' + '/'.join(x for x in cleaned_path.split('/') if x and x != '..') file_loader = None for search_path, loader in iteritems(self.exports): if search_path == path: real_filename, file_loader = loader(None) if file_loader is not None: break if not search_path.endswith('/'): search_path += '/' if path.startswith(search_path): real_filename, file_loader = loader(path[len(search_path):]) if file_loader is not None: break if file_loader is None or not self.is_allowed(real_filename): return self.app(environ, start_response) guessed_type = mimetypes.guess_type(real_filename) mime_type = guessed_type[0] or self.fallback_mimetype f, mtime, file_size = file_loader() headers = [('Date', http_date())] if self.cache: timeout = self.cache_timeout etag = self.generate_etag(mtime, file_size, real_filename) headers += [ ('Etag', '"%s"' % etag), ('Cache-Control', 'max-age=%d, public' % timeout) ] if not is_resource_modified(environ, etag, last_modified=mtime): f.close() start_response('304 Not Modified', headers) return [] headers.append(('Expires', http_date(time() + timeout))) else: headers.append(('Cache-Control', 'public')) headers.extend(( ('Content-Type', mime_type), ('Content-Length', str(file_size)), ('Last-Modified', http_date(mtime)) )) start_response('200 OK', headers) return wrap_file(environ, f)
def __call__(self, environ, start_response): cleaned_path = get_path_info(environ) if PY2: cleaned_path = cleaned_path.encode(sys.getfilesystemencoding()) # sanitize the path for non unix systems cleaned_path = cleaned_path.strip('/') for sep in os.sep, os.altsep: if sep and sep != '/': cleaned_path = cleaned_path.replace(sep, '/') path = '/'.join([''] + [x for x in cleaned_path.split('/') if x and x != '..']) file_loader = None for search_path, loader in iteritems(self.exports): if search_path == path: real_filename, file_loader = loader(None) if file_loader is not None: break if not search_path.endswith('/'): search_path += '/' if path.startswith(search_path): real_filename, file_loader = loader(path[len(search_path):]) if file_loader is not None: break if file_loader is None or not self.is_allowed(real_filename): return self.app(environ, start_response) guessed_type = mimetypes.guess_type(real_filename) mime_type = guessed_type[0] or self.fallback_mimetype f, mtime, file_size = file_loader() headers = [('Date', http_date())] if self.cache: timeout = self.cache_timeout etag = self.generate_etag(mtime, file_size, real_filename) headers += [ ('Etag', '"%s"' % etag), ('Cache-Control', 'max-age=%d, public' % timeout) ] if not is_resource_modified(environ, etag, last_modified=mtime): f.close() start_response('304 Not Modified', headers) return [] headers.append(('Expires', http_date(time() + timeout))) else: headers.append(('Cache-Control', 'public')) headers.extend(( ('Content-Type', mime_type), ('Content-Length', str(file_size)), ('Last-Modified', http_date(mtime)) )) start_response('200 OK', headers) return wrap_file(environ, f)
def __call__(self, environ, start_response): cleaned_path = get_path_info(environ) if PY2: cleaned_path = cleaned_path.encode(sys.getfilesystemencoding()) # sanitize the path for non unix systems cleaned_path = cleaned_path.strip('/') for sep in os.sep, os.altsep: if sep and sep != '/': cleaned_path = cleaned_path.replace(sep, '/') path = '/' + '/'.join(x for x in cleaned_path.split('/') if x and x != '..') file_loader = None for search_path, loader in iteritems(self.exports): if search_path == path: real_filename, file_loader = loader(None) if file_loader is not None: break if not search_path.endswith('/'): search_path += '/' if path.startswith(search_path): real_filename, file_loader = loader(path[len(search_path):]) if file_loader is not None: break if file_loader is None or not self.is_allowed(real_filename): return self.app(environ, start_response) guessed_type = mimetypes.guess_type(real_filename) mime_type = guessed_type[0] or self.fallback_mimetype f, mtime, file_size = file_loader() headers = [('Date', http_date())] if self.cache: timeout = self.cache_timeout etag = self.generate_etag(mtime, file_size, real_filename) headers += [ ('Etag', '"%s"' % etag), ('Cache-Control', 'max-age=%d, public' % timeout) ] if not is_resource_modified(environ, etag, last_modified=mtime): f.close() start_response('304 Not Modified', headers) return [] headers.append(('Expires', http_date(time() + timeout))) else: headers.append(('Cache-Control', 'public')) headers.extend(( ('Content-Type', mime_type), ('Content-Length', str(file_size)), ('Last-Modified', http_date(mtime)) )) start_response('200 OK', headers) return wrap_file(environ, f)
