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SF Patch #420725 by Walter Doerwald:

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For local files urllib.py doesn't return the MIME
  headers that the documentation says it does:

  http://www.python.org/doc/current/lib/module-
  urllib.html#l2h-2187 states that "When the method is
  local-file, returned headers will include a Date
  representing the file's last-modified time, a Content-
  Length giving file size, and a Content-Type containing
  a guess at the file's type"

  But in Python 2.1 the only header that gets returned
  is the Content-Type:

  >>> import urllib
  >>> f = urllib.urlopen("gurk.txt")
  >>> f.info().headers
  ['Content-Type: text/plain\n']
This commit is contained in:
Guido van Rossum 2001-08-09 17:43:35 +00:00
parent c8718c13e8
commit f0713d3f4d
1 changed files with 17 additions and 4 deletions
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21
Lib/urllib.py
View file

@ -25,6 +25,8 @@ used to query various info about the object, if available.
import string import string
import socket import socket
import os import os
import stat
import time
import sys import sys
import types import types
@ -402,15 +404,26 @@ class URLopener:
def open_local_file(self, url): def open_local_file(self, url):
"""Use local file.""" """Use local file."""
import mimetypes, mimetools, StringIO import mimetypes, mimetools, StringIO
host, file = splithost(url)
localname = url2pathname(file)
stats = os.stat(localname)
size = stats[stat.ST_SIZE]
modified = time.gmtime(stats[stat.ST_MTIME])
modified = "%s, %02d %s %04d %02d:%02d:%02d GMT" % (
["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"][modified[6]],
modified[2],
["Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"][modified[1]-1],
modified[0], modified[3], modified[4], modified[5])
mtype = mimetypes.guess_type(url)[0] mtype = mimetypes.guess_type(url)[0]
headers = mimetools.Message(StringIO.StringIO( headers = mimetools.Message(StringIO.StringIO(
'Content-Type: %s\n' % (mtype or 'text/plain'))) 'Content-Type: %s\nContent-Length: %d\nLast-modified: %s\n' %
host, file = splithost(url) (mtype or 'text/plain', size, modified)))
if not host: if not host:
urlfile = file urlfile = file
if file[:1] == '/': if file[:1] == '/':
urlfile = 'file://' + file urlfile = 'file://' + file
return addinfourl(open(url2pathname(file), 'rb'), return addinfourl(open(localname, 'rb'),
headers, urlfile) headers, urlfile)
host, port = splitport(host) host, port = splitport(host)
if not port \ if not port \
@ -418,7 +431,7 @@ class URLopener:
urlfile = file urlfile = file
if file[:1] == '/': if file[:1] == '/':
urlfile = 'file://' + file urlfile = 'file://' + file
return addinfourl(open(url2pathname(file), 'rb'), return addinfourl(open(localname, 'rb'),
headers, urlfile) headers, urlfile)
raise IOError, ('local file error', 'not on local host') raise IOError, ('local file error', 'not on local host')