diff options
Diffstat (limited to 'websdk/werkzeug/__init__.py')
| -rw-r--r-- | websdk/werkzeug/__init__.py | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/websdk/werkzeug/__init__.py b/websdk/werkzeug/__init__.py new file mode 100644 index 0000000..fea2c98 --- /dev/null +++ b/websdk/werkzeug/__init__.py @@ -0,0 +1,149 @@ +# -*- coding: utf-8 -*- +""" + werkzeug + ~~~~~~~~ + + Werkzeug is the Swiss Army knife of Python web development. + + It provides useful classes and functions for any WSGI application to make + the life of a python web developer much easier. All of the provided + classes are independent from each other so you can mix it with any other + library. + + + :copyright: (c) 2011 by the Werkzeug Team, see AUTHORS for more details. + :license: BSD, see LICENSE for more details. +""" +from types import ModuleType +import sys + + +# the version. Usually set automatically by a script. +__version__ = '0.8-dev' + + +# This import magic raises concerns quite often which is why the implementation +# and motivation is explained here in detail now. +# +# The majority of the functions and classes provided by Werkzeug work on the +# HTTP and WSGI layer. There is no useful grouping for those which is why +# they are all importable from "werkzeug" instead of the modules where they are +# implemented. The downside of that is, that now everything would be loaded at +# once, even if unused. +# +# The implementation of a lazy-loading module in this file replaces the +# werkzeug package when imported from within. Attribute access to the werkzeug +# module will then lazily import from the modules that implement the objects. + + +# import mapping to objects in other modules +all_by_module = { + 'werkzeug.debug': ['DebuggedApplication'], + 'werkzeug.local': ['Local', 'LocalManager', 'LocalProxy', + 'LocalStack', 'release_local'], + 'werkzeug.templates': ['Template'], + 'werkzeug.serving': ['run_simple'], + 'werkzeug.test': ['Client', 'EnvironBuilder', 'create_environ', + 'run_wsgi_app'], + 'werkzeug.testapp': ['test_app'], + 'werkzeug.exceptions': ['abort', 'Aborter'], + 'werkzeug.urls': ['url_decode', 'url_encode', 'url_quote', + 'url_quote_plus', 'url_unquote', + 'url_unquote_plus', 'url_fix', 'Href', + 'iri_to_uri', 'uri_to_iri'], + 'werkzeug.formparser': ['parse_form_data'], + 'werkzeug.utils': ['escape', 'environ_property', + 'append_slash_redirect', 'redirect', + 'cached_property', 'import_string', + 'dump_cookie', 'parse_cookie', 'unescape', + 'format_string', 'find_modules', 'header_property', + 'html', 'xhtml', 'HTMLBuilder', + 'validate_arguments', 'ArgumentValidationError', + 'bind_arguments', 'secure_filename'], + 'werkzeug.wsgi': ['get_current_url', 'get_host', 'pop_path_info', + 'peek_path_info', 'SharedDataMiddleware', + 'DispatcherMiddleware', 'ClosingIterator', + 'FileWrapper', 'make_line_iter', 'LimitedStream', + 'responder', 'wrap_file', 'extract_path_info'], + 'werkzeug.datastructures': ['MultiDict', 'CombinedMultiDict', 'Headers', + 'EnvironHeaders', 'ImmutableList', + 'ImmutableDict', 'ImmutableMultiDict', + 'TypeConversionDict', 'ImmutableTypeConversionDict', + 'Accept', 'MIMEAccept', 'CharsetAccept', + 'LanguageAccept', 'RequestCacheControl', + 'ResponseCacheControl', 'ETags', 'HeaderSet', + 'WWWAuthenticate', 'Authorization', + 'FileMultiDict', 'CallbackDict', 'FileStorage', + 'OrderedMultiDict', 'ImmutableOrderedMultiDict'], + 'werkzeug.useragents': ['UserAgent'], + 'werkzeug.http': ['parse_etags', 'parse_date', 'http_date', + 'cookie_date', 'parse_cache_control_header', + 'is_resource_modified', 'parse_accept_header', + 'parse_set_header', 'quote_etag', 'unquote_etag', + 'generate_etag', 'dump_header', + 'parse_list_header', 'parse_dict_header', + 'parse_authorization_header', + 'parse_www_authenticate_header', + 'remove_entity_headers', 'is_entity_header', + 'remove_hop_by_hop_headers', 'parse_options_header', + 'dump_options_header', 'is_hop_by_hop_header', + 'unquote_header_value', + 'quote_header_value', 'HTTP_STATUS_CODES'], + 'werkzeug.wrappers': ['BaseResponse', 'BaseRequest', 'Request', + 'Response', 'AcceptMixin', 'ETagRequestMixin', + 'ETagResponseMixin', 'ResponseStreamMixin', + 'CommonResponseDescriptorsMixin', + 'UserAgentMixin', 'AuthorizationMixin', + 'WWWAuthenticateMixin', + 'CommonRequestDescriptorsMixin'], + 'werkzeug.security': ['generate_password_hash', 'check_password_hash'], + # the undocumented easteregg ;-) + 'werkzeug._internal': ['_easteregg'] +} + +# modules that should be imported when accessed as attributes of werkzeug +attribute_modules = frozenset(['exceptions', 'routing', 'script']) + + +object_origins = {} +for module, items in all_by_module.iteritems(): + for item in items: + object_origins[item] = module + + +class module(ModuleType): + """Automatically import objects from the modules.""" + + def __getattr__(self, name): + if name in object_origins: + module = __import__(object_origins[name], None, None, [name]) + for extra_name in all_by_module[module.__name__]: + setattr(self, extra_name, getattr(module, extra_name)) + return getattr(module, name) + elif name in attribute_modules: + __import__('werkzeug.' + name) + return ModuleType.__getattribute__(self, name) + + def __dir__(self): + """Just show what we want to show.""" + result = list(new_module.__all__) + result.extend(('__file__', '__path__', '__doc__', '__all__', + '__docformat__', '__name__', '__path__', + '__package__', '__version__')) + return result + +# keep a reference to this module so that it's not garbage collected +old_module = sys.modules['werkzeug'] + + +# setup the new module and patch it into the dict of loaded modules +new_module = sys.modules['werkzeug'] = module('werkzeug') +new_module.__dict__.update({ + '__file__': __file__, + '__package__': 'werkzeug', + '__path__': __path__, + '__doc__': __doc__, + '__version__': __version__, + '__all__': tuple(object_origins) + tuple(attribute_modules), + '__docformat__': 'restructuredtext en' +}) |