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import imp
import os
import sys
from Cheetah.ImportHooks import CheetahDirOwner
def _loadTemplate(templatePath, debuglevel=0):
"""Load template by full or relative path (including extension)
Example: template = loadTemplate('views/index.tmpl')
Template is loaded from from .py[co], .py or .tmpl -
whatever will be found. Files *.tmpl are compiled to *.py;
*.py are byte-compiled to *.py[co]. Compiled files are cached
in the template directory. Errors on writing are silently ignored.
"""
drive, localPath = os.path.splitdrive(templatePath)
dirname, filename = os.path.split(localPath)
filename, ext = os.path.splitext(filename)
if dirname:
# Cleanup: Convert /Templates//views/ -> /Templates/views
dirname_list = dirname.replace(os.sep, '/').split('/')
dirname_list = [d for (i, d) in enumerate(dirname_list)
if i == 0 or d] # Preserve root slash
dirname = os.sep.join(dirname_list)
# Add all "modules" to sys.modules
components = []
for d in dirname_list:
components.append(d)
_mod_name = '.'.join(components)
_mod = imp.new_module(_mod_name)
_d = os.path.abspath(os.sep.join(components))
_mod.__file__ = _d
_mod.__path__ = [_d]
sys.modules[_mod_name] = _mod
template_dir = CheetahDirOwner(drive + dirname)
if ext:
template_dir.templateFileExtensions = (ext,)
template_dir.debuglevel = debuglevel
mod = template_dir.getmod(filename)
fqname = os.path.join(dirname, filename).replace(os.sep, '.')
mod.__name__ = fqname
sys.modules[fqname] = mod
co = mod.__co__
del mod.__co__
exec(co, mod.__dict__)
return mod, filename
def loadTemplateModule(templatePath, debuglevel=0):
return _loadTemplate(templatePath, debuglevel=debuglevel)[0]
def loadTemplateClass(templatePath, debuglevel=0):
mod, filename = _loadTemplate(templatePath, debuglevel=debuglevel)
return getattr(mod, filename)
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