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Viewing changes to addons/openerp/controllers/utils.py

  • Committer: ame (Tiny)
  • Date: 2010-01-07 07:47:47 UTC
  • Revision ID: ame@tinyerp.com-20100107074747-sqc1cmm24gofqmuh
[REF] separating base API to openobject
[REF] removed all openerp related stuffs from base api

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addons/openerp/controllers/utils.py
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from openobject.tools import expose
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from openobject.tools import redirect
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from base.validators import Invalid
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__all__ = ["secured", "unsecured", "login", "validate", "error_handler", "exception_handler"]
 
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__all__ = ["secured", "unsecured", "login"]
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@expose(template="templates/login.mako")
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    return tools.decorated(wrapper, fn, secured=False)
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from itertools import izip, islice
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from inspect import getargspec
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def to_kw(func, args, kw):
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    argnames, defaults = getargspec(func)[::3]
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    defaults = defaults or []
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    kv = zip(islice(argnames, 0, len(argnames) - len(defaults)), args)
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    kw.update(kv)
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    return args[len(argnames)-len(defaults):], kw
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def from_kw(func, args, kw):
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    argnames, defaults = getargspec(func)[::3]
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    defaults = defaults or []
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    newargs = [kw.pop(name) for name in islice(argnames, 0, len(argnames) - len(defaults)) if name in kw]
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    newargs.extend(args)
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    return newargs, kw
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def validate(form=None, validators=None):
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    def validate_wrapper(func):
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        if callable(form) and not hasattr(form, "validate"):
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            init_form = lambda self: form(self)
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        else:
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            init_form = lambda self: form
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        def func_wrapper(*args, **kw):
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            # do not validate a second time if already validated
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            if hasattr(cherrypy.request, 'validation_state'):
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                return func(*args, **kw)
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            form = init_form(args and args[0] or kw["self"])
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            args, kw = to_kw(func, args, kw)
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            errors = {}
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            if form:
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                value = kw.copy()
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                value.pop('self', None)
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                try:
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                    kw.update(form.validate(value, None))
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                except Invalid, e:
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                    errors = e.unpack_errors()
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                    cherrypy.request.validation_exception = e
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                    cherrypy.request.validation_value = value
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                cherrypy.request.validated_form = form
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            if validators:
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                if isinstance(validators, dict):
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                    for field, validator in validators.iteritems():
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                        try:
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                            kw[field] = validator.to_python(
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                                kw.get(field, None), None)
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                        except Invalid, error:
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                            errors[field] = error
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                else:
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                    try:
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                        value = kw.copy()
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                        kw.update(validators.to_python(value, None))
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                    except Invalid, e:
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                        errors = e.unpack_errors()
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                        cherrypy.request.validation_exception = e
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                        cherrypy.request.validation_value = value
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            cherrypy.request.validation_errors = errors
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            cherrypy.request.input_values = kw.copy()
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            cherrypy.request.validation_state = True
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            args, kw = from_kw(func, args, kw)
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            return func(*args, **kw)
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        return tools.decorated(func_wrapper, func)
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    return validate_wrapper
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def error_handler(handler):
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    def wrapper(func):
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        def func_wrapper(*args, **kw):
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            tg_errors = getattr(cherrypy.request, 'validation_errors', None)
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            if tg_errors:
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                kw['tg_errors'] = tg_errors
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                return handler(*args, **kw)
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            return func(*args, **kw)
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        return tools.decorated(func_wrapper, func)
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    return wrapper
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def exception_handler(*args, **kw):
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    return lambda f: f
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# vim: ts=4 sts=4 sw=4 si et
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