Files
deb-python-pecan/pecan/decorators.py

81 lines
2.7 KiB
Python

from inspect import getargspec
from util import _cfg
def when_for(controller):
def when(method=None, **kw):
def decorate(f):
expose(**kw)(f)
_cfg(f)['generic_handler'] = True
controller._pecan['generic_handlers'][method.upper()] = f
return f
return decorate
return when
def expose(template = None,
content_type = 'text/html',
schema = None,
json_schema = None,
variable_decode = False,
error_handler = None,
htmlfill = None,
generic = False):
if template == 'json': content_type = 'application/json'
def decorate(f):
# flag the method as exposed
f.exposed = True
# set a "pecan" attribute, where we will store details
cfg = _cfg(f)
cfg['content_type'] = content_type
cfg.setdefault('template', []).append(template)
cfg.setdefault('content_types', {})[content_type] = template
# handle generic controllers
if generic:
cfg['generic'] = True
cfg['generic_handlers'] = dict(DEFAULT=f)
f.when = when_for(f)
# store the arguments for this controller method
cfg['argspec'] = getargspec(f)
# store the schema
cfg['error_handler'] = error_handler
if schema is not None:
cfg['schema'] = schema
cfg['validate_json'] = False
elif json_schema is not None:
cfg['schema'] = json_schema
cfg['validate_json'] = True
# store the variable decode configuration
if isinstance(variable_decode, dict) or variable_decode == True:
_variable_decode = dict(dict_char='.', list_char='-')
if isinstance(variable_decode, dict):
_variable_decode.update(variable_decode)
cfg['variable_decode'] = _variable_decode
# store the htmlfill configuration
if isinstance(htmlfill, dict) or htmlfill == True or schema is not None:
_htmlfill = dict(auto_insert_errors=False)
if isinstance(htmlfill, dict):
_htmlfill.update(htmlfill)
cfg['htmlfill'] = _htmlfill
return f
return decorate
def transactional(ignore_redirects=True):
def deco(f):
def wrap(*args, **kwargs):
return f(*args, **kwargs)
wrap.__transactional__ = True
wrap.__transactional_ignore_redirects__ = ignore_redirects
return wrap
return deco
def accept_noncanonical(func):
_cfg(func)['accept_noncanonical'] = True
return func