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2865
by ame (Tiny)
[REF] separating base API to openobject |
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from itertools import izip, islice |
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from inspect import getargspec |
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3330
by Xavier Morel
[IMP] tentative pretty major reorganization of the validators import in order to try and avoid systemic import failures due to a bunch of undebuggable errors related to Python getting lost in the crap. |
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import cherrypy |
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from formencode.api import Invalid |
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2865
by ame (Tiny)
[REF] separating base API to openobject |
6 |
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2874
by ame (Tiny)
[REF] namespace fix |
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from _utils import decorated |
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2865
by ame (Tiny)
[REF] separating base API to openobject |
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__all__ = ["validate", "error_handler", "exception_handler"] |
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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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2874
by ame (Tiny)
[REF] namespace fix |
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return decorated(func_wrapper, func) |
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2865
by ame (Tiny)
[REF] separating base API to openobject |
91 |
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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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2874
by ame (Tiny)
[REF] namespace fix |
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return decorated(func_wrapper, func) |
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2865
by ame (Tiny)
[REF] separating base API to openobject |
108 |
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return wrapper |
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def exception_handler(*args, **kw): |
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return lambda f: f |