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proc
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thread-self
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opt
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hc_python
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lib
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python3.8
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site-packages
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mako
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ext
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Filename :
autohandler.py
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# ext/autohandler.py # Copyright 2006-2024 the Mako authors and contributors <see AUTHORS file> # # This module is part of Mako and is released under # the MIT License: http://www.opensource.org/licenses/mit-license.php """adds autohandler functionality to Mako templates. requires that the TemplateLookup class is used with templates. usage:: <%! from mako.ext.autohandler import autohandler %> <%inherit file="${autohandler(template, context)}"/> or with custom autohandler filename:: <%! from mako.ext.autohandler import autohandler %> <%inherit file="${autohandler(template, context, name='somefilename')}"/> """ import os import posixpath import re def autohandler(template, context, name="autohandler"): lookup = context.lookup _template_uri = template.module._template_uri if not lookup.filesystem_checks: try: return lookup._uri_cache[(autohandler, _template_uri, name)] except KeyError: pass tokens = re.findall(r"([^/]+)", posixpath.dirname(_template_uri)) + [name] while len(tokens): path = "/" + "/".join(tokens) if path != _template_uri and _file_exists(lookup, path): if not lookup.filesystem_checks: return lookup._uri_cache.setdefault( (autohandler, _template_uri, name), path ) else: return path if len(tokens) == 1: break tokens[-2:] = [name] if not lookup.filesystem_checks: return lookup._uri_cache.setdefault( (autohandler, _template_uri, name), None ) else: return None def _file_exists(lookup, path): psub = re.sub(r"^/", "", path) for d in lookup.directories: if os.path.exists(d + "/" + psub): return True else: return False