| author | Sverre Rabbelier <srabbelier@gmail.com> |
| Sun, 04 Oct 2009 23:40:53 +0200 | |
| changeset 3011 | 1834d422d1dc |
| parent 109 | 620f9b141567 |
| permissions | -rwxr-xr-x |
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109
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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1 |
from django.template import loader |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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from django.http import Http404, HttpResponse, HttpResponseRedirect, HttpResponseNotModified |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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from django.template import Template, Context, TemplateDoesNotExist |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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4 |
import mimetypes |
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parents:
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import os |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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import posixpath |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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import re |
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parents:
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import rfc822 |
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parents:
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import stat |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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import urllib |
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parents:
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11 |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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def serve(request, path, document_root=None, show_indexes=False): |
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parents:
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""" |
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parents:
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Serve static files below a given point in the directory structure. |
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parents:
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15 |
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parents:
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16 |
To use, put a URL pattern such as:: |
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parents:
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17 |
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(r'^(?P<path>.*)$', 'django.views.static.serve', {'document_root' : '/path/to/my/files/'})
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19 |
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parents:
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in your URLconf. You must provide the ``document_root`` param. You may |
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parents:
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also set ``show_indexes`` to ``True`` if you'd like to serve a basic index |
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parents:
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of the directory. This index view will use the template hardcoded below, |
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parents:
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but if you'd like to override it, you can create a template called |
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parents:
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24 |
``static/directory_index``. |
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parents:
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""" |
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26 |
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# Clean up given path to only allow serving files below document_root. |
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path = posixpath.normpath(urllib.unquote(path)) |
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newpath = '' |
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for part in path.split('/'):
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parents:
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if not part: |
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parents:
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# strip empty path components |
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continue |
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drive, part = os.path.splitdrive(part) |
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head, part = os.path.split(part) |
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if part in (os.curdir, os.pardir): |
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# strip '.' amd '..' in path |
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parents:
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38 |
continue |
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parents:
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newpath = os.path.join(newpath, part).replace('\\', '/')
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parents:
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if newpath and path != newpath: |
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parents:
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return HttpResponseRedirect(newpath) |
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parents:
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fullpath = os.path.join(document_root, newpath) |
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parents:
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if os.path.isdir(fullpath): |
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parents:
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if show_indexes: |
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45 |
return directory_index(newpath, fullpath) |
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46 |
raise Http404, "Directory indexes are not allowed here." |
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parents:
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if not os.path.exists(fullpath): |
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parents:
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raise Http404, '"%s" does not exist' % fullpath |
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parents:
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# Respect the If-Modified-Since header. |
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statobj = os.stat(fullpath) |
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if not was_modified_since(request.META.get('HTTP_IF_MODIFIED_SINCE'),
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statobj[stat.ST_MTIME], statobj[stat.ST_SIZE]): |
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53 |
return HttpResponseNotModified() |
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54 |
mimetype = mimetypes.guess_type(fullpath)[0] |
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55 |
contents = open(fullpath, 'rb').read() |
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response = HttpResponse(contents, mimetype=mimetype) |
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response["Last-Modified"] = rfc822.formatdate(statobj[stat.ST_MTIME]) |
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return response |
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59 |
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DEFAULT_DIRECTORY_INDEX_TEMPLATE = """ |
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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63 |
<head> |
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<meta http-equiv="Content-type" content="text/html; charset=utf-8" /> |
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<meta http-equiv="Content-Language" content="en-us" /> |
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<meta name="robots" content="NONE,NOARCHIVE" /> |
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67 |
<title>Index of {{ directory|escape }}</title>
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parents:
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68 |
</head> |
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parents:
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69 |
<body> |
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70 |
<h1>Index of {{ directory|escape }}</h1>
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71 |
<ul> |
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72 |
{% for f in file_list %}
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73 |
<li><a href="{{ f|urlencode }}">{{ f|escape }}</a></li>
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parents:
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74 |
{% endfor %}
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parents:
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75 |
</ul> |
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parents:
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76 |
</body> |
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parents:
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77 |
</html> |
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620f9b141567
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parents:
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78 |
""" |
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Todd Larsen <tlarsen@google.com>
parents:
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79 |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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80 |
def directory_index(path, fullpath): |
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parents:
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81 |
try: |
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parents:
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82 |
t = loader.get_template('static/directory_index')
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parents:
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83 |
except TemplateDoesNotExist: |
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parents:
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84 |
t = Template(DEFAULT_DIRECTORY_INDEX_TEMPLATE, name='Default directory index template') |
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parents:
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85 |
files = [] |
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parents:
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86 |
for f in os.listdir(fullpath): |
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parents:
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87 |
if not f.startswith('.'):
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parents:
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88 |
if os.path.isdir(os.path.join(fullpath, f)): |
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parents:
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89 |
f += '/' |
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parents:
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90 |
files.append(f) |
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parents:
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91 |
c = Context({
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parents:
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92 |
'directory' : path + '/', |
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parents:
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93 |
'file_list' : files, |
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parents:
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94 |
}) |
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parents:
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95 |
return HttpResponse(t.render(c)) |
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parents:
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96 |
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parents:
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def was_modified_since(header=None, mtime=0, size=0): |
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parents:
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98 |
""" |
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parents:
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99 |
Was something modified since the user last downloaded it? |
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parents:
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100 |
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parents:
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101 |
header |
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parents:
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102 |
This is the value of the If-Modified-Since header. If this is None, |
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parents:
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103 |
I'll just return True. |
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parents:
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104 |
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parents:
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105 |
mtime |
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106 |
This is the modification time of the item we're talking about. |
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107 |
|
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108 |
size |
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109 |
This is the size of the item we're talking about. |
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110 |
""" |
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111 |
try: |
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112 |
if header is None: |
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113 |
raise ValueError |
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114 |
matches = re.match(r"^([^;]+)(; length=([0-9]+))?$", header, |
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115 |
re.IGNORECASE) |
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116 |
header_mtime = rfc822.mktime_tz(rfc822.parsedate_tz( |
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117 |
matches.group(1))) |
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118 |
header_len = matches.group(3) |
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119 |
if header_len and int(header_len) != size: |
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120 |
raise ValueError |
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121 |
if mtime > header_mtime: |
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122 |
raise ValueError |
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123 |
except (AttributeError, ValueError): |
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124 |
return True |
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125 |
return False |