util.py

   1 import os, sys
   2 from mako.lookup   import TemplateLookup
   3
   4 from cfg import cfg
   5
   6
   7 rfc3339 = "%Y-%m-%dT%H:%M:%S"
   8
   9
  10 def mako():
  11     templates = TemplateLookup(directories=[cfg['templatedir']])
  12     def render(name, **namespace):
  13         import cgi
  14         return templates.get_template(name).render(
  15             cgi=cgi,
  16             **namespace)
  17     return render
  18 mako = mako()
  19
  20 # gnu make like functinality
  21 def last_modified(filename):
  22     return os.stat(filename).st_mtime
  23
  24 def make(target, deps, content_generator, *args, **kwargs):
  25     if cfg['regen'] or not os.path.exists(target) or \
  26             True in [last_modified(target) < last_modified(d) for d in deps]:
  27         # requires update
  28         print '>', target
  29         content = content_generator(*args, **kwargs)
  30         open(target, 'w').write(content)
  31
  32 def make_mako(target, deps, name, **additional_namespace):
  33     """
  34     Wrapper around make/mako.  Introduces mako files itself as one of deps
  35     """
  36     templatefile = os.path.join(cfg['templatedir'], name)
  37
  38     namespace = sys._getframe(1).f_locals
  39     namespace.update(additional_namespace)
  40
  41     return make(target, deps+[templatefile], mako, name, **namespace)
  42
  43 __all__ = ['rfc3339', 'mako', 'make', 'make_mako', 'last_modified']