Removed __future__ import from wmako for consistency.
[wrw.git] / wrw / wmako.py
1 import os, threading
2 from mako import template, lookup, filters
3 import util, form, session
4
5 # It seems Mako isn't thread-safe.
6 makolock = threading.Lock()
7
8 class liblookup(lookup.TemplateLookup):
9     def __init__(self, *args, **kwargs):
10         lookup.TemplateLookup.__init__(self, *args, **kwargs)
11
12     def adjust_uri(self, uri, relativeto):
13         return uri
14
15 libdirs = []
16 homedir = os.getenv("HOME")
17 if homedir is not None:
18     usrdir = os.path.join(homedir, "wmako")
19     if os.path.exists(usrdir):
20         libdirs.append(usrdir)
21 libdirs.append(os.path.join(os.path.dirname(__file__), "makolib"))
22 cachedir = os.path.join("/tmp/", "mako-" + str(os.getuid()))
23 defargs = {"output_encoding": "utf-8",
24            "input_encoding": "utf-8",
25            "default_filters": ["decode.utf8"],
26            "module_directory": cachedir,
27     }
28 lib = liblookup(directories = libdirs, **defargs)
29
30 if not os.path.exists(cachedir):
31     os.mkdir(cachedir)
32 def handle(req, filename, **kw):
33     with makolock:
34         tt = template.Template(filename = filename, lookup = lib, **defargs)
35     req.ohead["Content-Type"] = "text/html; charset=utf-8"
36     return [tt.render(request = req, **kw)]
37
38 @util.wsgiwrap
39 def application(req):
40     return handle(req, req.filename,
41                   form = form.formdata(req),
42                   session = session.get(req))