2 # Shared type definitions
4 # Mark Huang <mlhuang@cs.princeton.edu>
5 # Copyright (C) 2006 The Trustees of Princeton University
9 from PLC.Faults import *
13 Typed value wrapper. Use in accepts and returns to document method
14 parameters. Set the optional and default attributes for
15 sub-parameters (i.e., dict fields).
18 def __init__(self, typeval, doc = "",
19 min = None, max = None,
26 # Basic type of the parameter. Must be a builtin type
27 # that can be marshalled by XML-RPC.
30 # Documentation string for the parameter
33 # Basic value checking. For numeric types, the minimum and
34 # maximum possible values, inclusive. For string types, the
35 # minimum and maximum possible UTF-8 encoded byte lengths.
39 # Whether the sub-parameter is optional or not. If None,
40 # unknown whether it is optional.
41 self.optional = optional
43 # Whether the DB field is read-only.
46 # Whether the DB field can be NULL.
49 self.primary_key = primary_key
51 # Whether the DB field is indexed
52 self.indexed = indexed
54 # Whether the DB field lives in another table
61 return repr(self.type)
65 A list (technically, a tuple) of types. Use in accepts and returns
66 to document method parameters that may return mixed types.
69 def __new__(cls, *types):
70 return tuple.__new__(cls, types)
74 Returns the Python type of the specified argument, which may be a
75 Python type, a typed value, or a Parameter.
78 if isinstance(arg, Parameter):
81 if isinstance(arg, type):
88 Returns the XML-RPC type of the specified argument, which may be a
89 Python type, a typed value, or a Parameter.
92 arg_type = python_type(arg)
94 if arg_type == NoneType:
96 elif arg_type == IntType or arg_type == LongType:
98 elif arg_type == bool:
100 elif arg_type == FloatType:
102 elif arg_type in StringTypes:
104 elif arg_type == ListType or arg_type == TupleType:
106 elif arg_type == DictType:
108 elif arg_type == Mixed:
109 # Not really an XML-RPC type but return "mixed" for
110 # documentation purposes.
113 raise PLCAPIError, "XML-RPC cannot marshal %s objects" % arg_type