parameters: (self)
return_statement: return f
docstring: Common code for GET and HEAD commands.
  
          This sends the response code and MIME headers.
  
          Return value is either a file object (which has to be copied
          to the outputfile by the caller unless the command was HEAD,
          and must be closed by the caller under all circumstances), or
          None, in which case the caller has nothing further to do.
docstring_summary: Common code for GET and HEAD commands.
docstring_tokens: Common code for GET and HEAD commands .
function: def send_head(self):
          """Common code for GET and HEAD commands.
  
          This sends the response code and MIME headers.
  
          Return value is either a file object (which has to be copied
          to the outputfile by the caller unless the command was HEAD,
          and must be closed by the caller under all circumstances), or
          None, in which case the caller has nothing further to do.
  
          """
          path = self.translate_path(self.path)
          f = None
          if os.path.isdir(path):
              if not self.path.endswith('/'):
                  # redirect browser - doing basically what apache does
                  self.send_response(301)
                  self.send_header("Location", self.path + "/")
                  self.end_headers()
                  return None
              for index in "index.html", "index.htm":
                  index = os.path.join(path, index)
                  if os.path.exists(index):
                      path = index
                      break
              else:
                  return self.list_directory(path)
          ctype = self.guess_type(path)
          try:
              # Always read in binary mode. Opening files in text mode may cause
              # newline translations, making the actual size of the content
              # transmitted *less* than the content-length!
              f = open(path, 'rb')
          except IOError:
              self.send_error(404, "File not found")
              return None
          self.send_response(200)
          self.send_header("Content-type", ctype)
          fs = os.fstat(f.fileno())
          self.send_header("Content-Length", str(fs[6]))
          self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
          self.end_headers()
          return f
function_tokens: def send_head ( self ) : path = self . translate_path ( self . path ) f = None if os . path . isdir ( path ) : if not self . path . endswith ( '/' ) : # redirect browser - doing basically what apache does self . send_response ( 301 ) self . send_header ( "Location" , self . path + "/" ) self . end_headers ( ) return None for index in "index.html" , "index.htm" : index = os . path . join ( path , index ) if os . path . exists ( index ) : path = index break else : return self . list_directory ( path ) ctype = self . guess_type ( path ) try : # Always read in binary mode. Opening files in text mode may cause # newline translations, making the actual size of the content # transmitted *less* than the content-length! f = open ( path , 'rb' ) except IOError : self . send_error ( 404 , "File not found" ) return None self . send_response ( 200 ) self . send_header ( "Content-type" , ctype ) fs = os . fstat ( f . fileno ( ) ) self . send_header ( "Content-Length" , str ( fs [ 6 ] ) ) self . send_header ( "Last-Modified" , self . date_time_string ( fs . st_mtime ) ) self . end_headers ( ) return f