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###
#
# Copyright Alan Kennedy.
#
# You may contact the copyright holder at this uri:
#
# http://www.xhaus.com/contact/modjy
#
# The licence under which this code is released is the Apache License v2.0.
#
# The terms and conditions of this license are listed in a file contained
# in the distribution that also contained this file, under the name
# LICENSE.txt.
#
# You may also read a copy of the license at the following web address.
#
# http://modjy.xhaus.com/LICENSE.txt
#
###
from UserDict import UserDict
BOOLEAN = ('boolean', int)
INTEGER = ('integer', int)
FLOAT = ('float', float)
STRING = ('string', None)
modjy_servlet_params = {
'multithread': (BOOLEAN, 1),
'cache_callables': (BOOLEAN, 1),
'reload_on_mod': (BOOLEAN, 0),
'app_import_name': (STRING, None),
'app_directory': (STRING, None),
'app_filename': (STRING, 'application.py'),
'app_callable_name': (STRING, 'handler'),
'callable_query_name': (STRING, None),
'exc_handler': (STRING, 'standard'),
'log_level': (STRING, 'info'),
'packages': (STRING, None),
'classdirs': (STRING, None),
'extdirs': (STRING, None),
'initial_env': (STRING, None),
}
class modjy_param_mgr(UserDict):
def __init__(self, param_types):
UserDict.__init__(self)
self.param_types = param_types
for pname in self.param_types.keys():
typ, default = self.param_types[pname]
self.__setitem__(pname, default)
def __getitem__(self, name):
return self._get_defaulted_value(name)
def __setitem__(self, name, value):
self.data[name] = self._convert_value(name, value)
def _convert_value(self, name, value):
if self.param_types.has_key(name):
typ, default = self.param_types[name]
typ_str, typ_func = typ
if typ_func:
try:
return typ_func(value)
except ValueError:
raise BadParameter("Illegal value for %s parameter '%s': %s" % (typ_str, name, value) )
return value
def _get_defaulted_value(self, name):
if self.data.has_key(name):
return self.data[name]
if self.param_types.has_key(name):
typ, default = self.param_types[name]
return default
raise KeyError(name)
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