suds / suds / xsd / sxbuiltin.py

# This program is free software; you can redistribute it and/or modify
# it under the terms of the (LGPL) GNU Lesser General Public License as
# published by the Free Software Foundation; either version 3 of the 
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Library Lesser General Public License for more details at
# ( http://www.gnu.org/licenses/lgpl.html ).
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# written by: Jeff Ortel ( jortel@redhat.com )

"""
The I{sxbuiltin} module provides classes that represent
XSD I{builtin} schema objects.
"""

from logging import getLogger
from suds import *
from suds.xsd import *
from suds.sax.date import *
from suds.xsd.sxbase import XBuiltin
import datetime as dt


log = getLogger(__name__)
    
    
class XString(XBuiltin):
    """
    Represents an (xsd) <xs:string/> node
    """
    pass

  
class XAny(XBuiltin):
    """
    Represents an (xsd) <any/> node
    """
    
    def __init__(self, schema, name):
        XBuiltin.__init__(self, schema, name)
        self.nillable = False
    
    def get_child(self, name):
        child = XAny(self.schema, name)
        return (child, [])
    
    def any(self):
        return True


class XBoolean(XBuiltin):
    """
    Represents an (xsd) boolean builtin type.
    """
    
    translation = (
        { '1':True,'true':True,'0':False,'false':False },
        { True:'true',1:'true',False:'false',0:'false' },
    )
        
    def translate(self, value, topython=True):
        if topython:
            if isinstance(value, basestring):
                return XBoolean.translation[0].get(value)
            else:
                return None
        else:
            if isinstance(value, (bool,int)):
                return XBoolean.translation[1].get(value)
            else:
                return value

   
class XInteger(XBuiltin):
    """
    Represents an (xsd) xs:int builtin type.
    """
        
    def translate(self, value, topython=True):
        if topython:
            if isinstance(value, basestring) and len(value):
                return int(value)
            else:
                return None
        else:
            if isinstance(value, int):
                return str(value)
            else:
                return value
            
class XLong(XBuiltin):
    """
    Represents an (xsd) xs:long builtin type.
    """
        
    def translate(self, value, topython=True):
        if topython:
            if isinstance(value, basestring) and len(value):
                return long(value)
            else:
                return None
        else:
            if isinstance(value, (int,long)):
                return str(value)
            else:
                return value

       
class XFloat(XBuiltin):
    """
    Represents an (xsd) xs:float builtin type.
    """
        
    def translate(self, value, topython=True):
        if topython:
            if isinstance(value, basestring) and len(value):
                return float(value)
            else:
                return None
        else:
            if isinstance(value, float):
                return str(value)
            else:
                return value
            

class XDate(XBuiltin):
    """
    Represents an (xsd) xs:date builtin type.
    """
        
    def translate(self, value, topython=True):
        if topython:
            if isinstance(value, basestring) and len(value):
                return Date(value).date
            else:
                return None
        else:
            if isinstance(value, dt.date):
                return str(Date(value))
            else:
                return value


class XTime(XBuiltin):
    """
    Represents an (xsd) xs:time builtin type.
    """
        
    def translate(self, value, topython=True):
        if topython:
            if isinstance(value, basestring) and len(value):
                return Time(value).time
            else:
                return None
        else:
            if isinstance(value, dt.date):
                return str(Time(value))
            else:
                return value


class XDateTime(XBuiltin):
    """
    Represents an (xsd) xs:datetime builtin type.
    """

    def translate(self, value, topython=True):
        if topython:
            if isinstance(value, basestring) and len(value):
                try:
                    return DateTime(value).datetime
                except:
                    return value
            else:
                return None
        else:
            if isinstance(value, dt.date):
                return str(DateTime(value))
            else:
                return value
            
            
class Factory:

    tags =\
    {
        # any
        'anyType' : XAny,
        # strings
        'string' : XString,
        'normalizedString' : XString,
        'ID' : XString,
        'Name' : XString,
        'QName' : XString,
        'NCName' : XString,
        'anySimpleType' : XString,
        'anyURI' : XString,
        'NOTATION' : XString,
        'token' : XString,
        'language' : XString,
        'IDREFS' : XString,
        'ENTITIES' : XString,
        'IDREF' : XString,
        'ENTITY' : XString,
        'NMTOKEN' : XString,
        'NMTOKENS' : XString,
        # binary
        'hexBinary' : XString,
        'base64Binary' : XString,
        # integers
        'int' : XInteger,
        'integer' : XInteger,
        'unsignedInt' : XInteger,
        'positiveInteger' : XInteger,
        'negativeInteger' : XInteger,
        'nonPositiveInteger' : XInteger,
        'nonNegativeInteger' : XInteger,
        # longs
        'long' : XLong,
        'unsignedLong' : XLong,
        # shorts
        'short' : XInteger,
        'unsignedShort' : XInteger,
        'byte' : XInteger,
        'unsignedByte' : XInteger,
        # floats
        'float' : XFloat,
        'double' : XFloat,
        'decimal' : XFloat,
        # dates & times
        'date' : XDate,
        'time' : XTime,
        'dateTime': XDateTime,
        'duration': XString,
        'gYearMonth' : XString,
        'gYear' : XString,
        'gMonthDay' : XString,
        'gDay' : XString,
        'gMonth' : XString,
        # boolean
        'boolean' : XBoolean,
    }
    
    @classmethod
    def maptag(cls, tag, fn):
        """
        Map (override) tag => I{class} mapping.
        @param tag: An xsd tag name.
        @type tag: str
        @param fn: A function or class.
        @type fn: fn|class.
        """
        cls.tags[tag] = fn

    @classmethod
    def create(cls, schema, name):
        """
        Create an object based on the root tag name.
        @param schema: A schema object.
        @type schema: L{schema.Schema}
        @param name: The name.
        @type name: str
        @return: The created object.
        @rtype: L{XBuiltin} 
        """
        fn = cls.tags.get(name)
        if fn is not None:
            return fn(schema, name)
        else:
            return XBuiltin(schema, name)
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