Mercurial > hg > index.fcgi > www > www-1

comparison pics2/pics_app.py @ 52:f5c2934a1e3f

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add pics2
author paulo
date Tue, 14 May 2013 23:36:18 -0700
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children 0482bffd7d7f
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-1:000000000000 0:877117903642
1 import os
2 import re
3 import glob
4 import traceback
5
6 import html
7
8
9 _APPROOTPATH = "/pics"
10 _GET_PICSDIR_RE = re.compile(r"^.*" + _APPROOTPATH)
11
12 def _get_pics_dir(environ):
13 path_info = environ.get("PATH_INFO", '')
14 return _GET_PICSDIR_RE.sub('.', path_info)
15
16
17 def _get_pics_url(environ, dirpath):
18 script_name = environ.get("SCRIPT_NAME", '')
19 return os.path.normpath(os.path.join(os.path.dirname(script_name), dirpath))
20
21
22 def main(environ):
23 title = '(None)'
24 is_index = False
25
26 d = _get_pics_dir(environ)
27
28 if os.path.exists(os.path.join(d, "_picsroot")):
29 title = os.path.basename(d)
30 elif d == '/':
31 title = "pics index"
32 is_index = True
33 else:
34 raise IOError("_picsroot not found in directory: " + d)
35
36 html_root = html.HTML("html")
37
38 html_header = html_root.header
39 html_header.title(title)
40
41 html_body = html_root.body
42 html_body.h1(title)
43
44 if not is_index:
45 num_jpgs = len(glob.glob(os.path.join(d, "thumbs", "*.jpg")))
46 for i in range(num_jpgs):
47 thumbnail_path = os.path.join(d, "thumbs", "%d.jpg" % i)
48 thumbnail_url = _get_pics_url(environ, thumbnail_path)
49 html_body.img(src=thumbnail_url)
50
51 return unicode(html_root).encode("utf-8")
52
53
54 def app(environ, start_response):
55 response_code = "500 Internal Server Error"
56 response_type = "text/plain; charset=UTF-8"
57
58 try:
59 response_body = main(environ)
60 response_code = "200 OK"
61 response_type = "text/html; charset=UTF-8"
62 except:
63 response_body = traceback.format_exc()
64
65 response_headers = [
66 ("Content-Type", response_type),
67 ("Content-Length", str(len(response_body))),
68 ]
69
70 start_response(response_code, response_headers)
71
72 return [response_body]