/usr/lib/python3/dist-packages/kajiki/loader.py is in python3-kajiki 0.5.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | # -*- coding: utf-8 -*-
from __future__ import (absolute_import, division, print_function,
unicode_literals)
from nine import basestring, itervalues
import os
import pkg_resources
class Loader(object):
def __init__(self):
self.modules = {}
def import_(self, name, *args, **kwargs):
'''Returns the template if it is already in the cache,
else loads the template, caches it and returns it.
'''
mod = self.modules.get(name)
if mod:
return mod
mod = self._load(name, *args, **kwargs)
mod.loader = self
self.modules[name] = mod
return mod
def default_alias_for(self, name):
return os.path.splitext(os.path.basename(name))[0]
@property
def load(self):
return self.import_
class MockLoader(Loader):
def __init__(self, modules):
super(MockLoader, self).__init__()
self.modules.update(modules)
for v in itervalues(self.modules):
v.loader = self
class FileLoader(Loader):
def __init__(self, path, reload=True, force_mode=None,
autoescape_text=False, xml_autoblocks=None):
super(FileLoader, self).__init__()
from kajiki import XMLTemplate, TextTemplate
if isinstance(path, basestring):
self.path = path.split(';')
else:
self.path = path
self._timestamps = {}
self._reload = reload
self._force_mode = force_mode
self._autoescape_text = autoescape_text
self._xml_autoblocks = xml_autoblocks
self.extension_map = dict(
txt=lambda *a, **kw: TextTemplate(
autoescape=self._autoescape_text, *a, **kw),
xml=XMLTemplate,
html=lambda *a, **kw: XMLTemplate(mode='html', *a, **kw),
html5=lambda *a, **kw: XMLTemplate(mode='html5', *a, **kw))
def _filename(self, name):
for base in self.path:
fn = os.path.join(base, name)
if os.path.exists(fn):
return fn
return None
def import_(self, name, *args, **kwargs):
filename = self._filename(name)
if self._reload and name in self.modules:
mtime = os.stat(filename).st_mtime
if mtime > self._timestamps.get(name, 0):
del self.modules[name]
return super(FileLoader, self).import_(name, *args, **kwargs)
def _load(self, name, encoding='utf-8', *args, **kwargs):
'''Text templates are read in text mode and XML templates are read in
binary mode. Thus, the ``encoding`` argument is only used for reading
text template files.
'''
from kajiki import XMLTemplate, TextTemplate
filename = self._filename(name)
self._timestamps[name] = os.stat(filename).st_mtime
if self._force_mode == 'text':
return TextTemplate(filename=filename,
autoescape=self._autoescape_text, *args, **kwargs)
elif self._force_mode:
return XMLTemplate(filename=filename,
mode=self._force_mode,
autoblocks=self._xml_autoblocks,
*args, **kwargs)
else:
ext = os.path.splitext(filename)[1][1:]
return self.extension_map[ext](
source=None, filename=filename, *args, **kwargs)
class PackageLoader(FileLoader):
def __init__(self, reload=True, force_mode=None):
super(PackageLoader, self).__init__(None, reload, force_mode)
def _filename(self, name):
package, module = name.rsplit('.', 1)
found = dict()
for fn in pkg_resources.resource_listdir(package, '.'):
if fn == name:
return pkg_resources.resource_filename(package, fn)
root, ext = os.path.splitext(fn)
if root == module:
found[ext] = fn
for ext in ('.xml', '.html', '.html5', '.txt'):
if ext in found:
return pkg_resources.resource_filename(package, found[ext])
else:
raise IOError('Unknown template %r' % name)
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