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Source code for galaxy.web.framework.middleware.static

import os

from paste import (
    fileapp,
    request
)
from paste.httpheaders import ETAG
from paste.urlparser import StaticURLParser


[docs]class CacheableStaticURLParser( StaticURLParser ):
[docs] def __init__( self, directory, cache_seconds=None ): StaticURLParser.__init__( self, directory ) self.cache_seconds = cache_seconds
def __call__( self, environ, start_response ): path_info = environ.get('PATH_INFO', '') if not path_info: # See if this is a static file hackishly mapped. if os.path.exists(self.directory) and os.path.isfile(self.directory): app = fileapp.FileApp(self.directory) if self.cache_seconds: app.cache_control( max_age=int( self.cache_seconds ) ) return app(environ, start_response) return self.add_slash(environ, start_response) if path_info == '/': # @@: This should obviously be configurable filename = 'index.html' else: filename = request.path_info_pop(environ) full = os.path.join(self.directory, filename) if not os.path.exists(full): return self.not_found(environ, start_response) if os.path.isdir(full): # @@: Cache? return self.__class__(full)(environ, start_response) if environ.get('PATH_INFO') and environ.get('PATH_INFO') != '/': return self.error_extra_path(environ, start_response) if_none_match = environ.get('HTTP_IF_NONE_MATCH') if if_none_match: mytime = os.stat(full).st_mtime if str(mytime) == if_none_match: headers = [] ETAG.update(headers, mytime) start_response('304 Not Modified', headers) return [''] # empty body app = fileapp.FileApp(full) if self.cache_seconds: app.cache_control( max_age=int( self.cache_seconds ) ) return app(environ, start_response)
[docs]def make_static( global_conf, document_root, cache_seconds=None ): return CacheableStaticURLParser( document_root, cache_seconds )