1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
"""
Static file sending application
"""
import os
import mimetypes
import httpexceptions
class FileApp(object):
"""
Returns an application that will send the file at the given
filename. Adds a mime type based on ``mimetypes.guess_type()``.
"""
# @@: Should test things like last-modified, if-modified-since,
# etc.
def __init__(self, filename):
self.filename = filename
def __call__(self, environ, start_response):
type, encoding = mimetypes.guess_type(self.filename)
# @@: I don't know what to do with the encoding.
if not type:
type = 'application/octet-stream'
size = os.stat(self.filename).st_size
try:
file = open(self.filename, 'rb')
except (IOError, OSError), e:
exc = httpexceptions.HTTPForbidden(
'You are not permitted to view this file (%s)' % e)
return exc.wsgi_application(
environ, start_response)
start_response('200 OK',
[('content-type', type),
('content-length', str(size))])
return _FileIter(file)
class _FileIter:
def __init__(self, fp, blocksize=4096):
self.file = fp
self.blocksize = blocksize
def __iter__(self):
return self
def next(self):
data = self.file.read(self.blocksize)
if not data:
raise StopIteration
return data
def close(self):
self.file.close()
|
