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[Omc-commit] SF.net SVN: omc: [467] tools/trunk/yawn/yawn.py
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From: <ba...@us...> - 2007-05-23 05:03:32
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Revision: 467
http://svn.sourceforge.net/omc/?rev=467&view=rev
Author: bartw
Date: 2007-05-22 22:03:33 -0700 (Tue, 22 May 2007)
Log Message:
-----------
moved python provider generator to cimprovider
Modified Paths:
--------------
tools/trunk/yawn/yawn.py
Modified: tools/trunk/yawn/yawn.py
===================================================================
--- tools/trunk/yawn/yawn.py 2007-05-22 15:26:08 UTC (rev 466)
+++ tools/trunk/yawn/yawn.py 2007-05-23 05:03:33 UTC (rev 467)
@@ -1302,8 +1302,15 @@
ht+= '<div align=center>View '+_makeHref(req, 'EnumInstanceNames', instUrlArgs, 'Instance Names')
ht+= ' or '+_makeHref(req, 'EnumInstances', instUrlArgs, 'Instances')
ht+= ' or '+_makeHref(req, 'AssociatedClasses', instUrlArgs, 'Associated Classes')
- ht+= ' of this class. '+_makeHref(req,
- 'Provider', instUrlArgs, 'Python Provider')+'</div>'
+ ht+= ' of this class.'
+ try:
+ # see if code generator is available
+ from cimprovider import provider_template
+ ht+= ' '+ _makeHref(req,
+ 'Provider', instUrlArgs, 'Python Provider')
+ except ImportError:
+ pass
+ ht+= '</div>'
ht+= '<table border="1" cellpadding="2">'
if klass.qualifiers.has_key('aggregation'):
titleBGColor = "green"
@@ -1945,305 +1952,13 @@
##############################################################################
##############################################################################
##############################################################################
-def _providerTemplate (cc):
- #################
- def format_desc (obj):
- txt = ''
- try:
- raw = obj.qualifiers['description'].value
- beg = 0
- end = 0
- while beg < len(raw):
- beg = end
- end += 65
- while beg < len(raw) and raw[beg] in string.whitespace:
- beg = beg+1
- while end < len(raw) and end > beg \
- and raw[end] not in string.whitespace:
- end = end-1
- line = raw[beg:end]
- line = line.replace('\n',' ')
- txt +='''
- %s''' % line
- except KeyError:
- pass
- return txt
- #################
- def type_str (obj):
- tx = obj.type
- if tx == 'reference':
- tx = 'REF %s (CIMInstanceName)' % obj.reference_class
- if obj.is_array:
- tx += '[]'
- return tx
- #################
- def is_required (obj):
- try:
- if obj.qualifiers['required'].value:
- return '(Required)'
- else:
- return ''
- except KeyError:
- return ''
- #################
-
- mappings = {'classname':cc.classname,
- 'classname_l':cc.classname.lower()}
- isAssoc = 'association' in cc.qualifiers
-
- code = '''"""Python Provider for %(classname)s
-
-Instruments the CIM class %(classname)s
-"""
-
-import pywbem
-from cimprovider import CIMProvider
-
-class %(classname)sProvider(CIMProvider):
- """Instrument the CIM class %(classname)s
-''' % mappings
- code+= format_desc(cc)
- code+= '''
- """
-
- #########################################################################
- def __init__ (self):
- pass
-
- #########################################################################
- def get_instance (self, env, model, cim_class):
- """Return an instance of %(classname)s
-
- Keyword arguments:
- env -- Provider Environment
- model -- A template of the CIMInstance to be returned. The key
- properties are set on this instance to correspond to the
- instanceName that was requested. The properties of the model
- are already filtered according to the PropertyList from the
- request.
- cim_class -- The CIMClass %(classname)s
-
- """
-''' % mappings
- keyProps = [p for p in cc.properties.values() \
- if 'key' in p.qualifiers]
- for prop in cc.properties.values():
- if 'key' in prop.qualifiers:
- continue
- code+= '''
- if '%(pname)s' in model.properties:
- model['%(pname)s'] = # TODO (type = %(ptype)s) %(required)s''' \
- % { 'pname': prop.name, 'ptype': type_str(prop),
- 'required':is_required(prop) }
-
- code+= '''
- return model
-
- #########################################################################
- def enum_instances(self, env, model, cim_class, keys_only):
- """ Enumerate instances of %(classname)s
- The WBEM operations EnumerateInstances and EnumerateInstanceNames
- are both mapped to this method.
- This method is a python generator
-
- Keyword arguments:
- env -- Provider Environment
- model -- A template of the CIMInstances to be generated. The
- properties of the model are already filtered according to the
- PropertyList from the request.
- cim_class -- The CIMClass %(classname)s
- keys_only -- A boolean. True if only the key properties should be
- set on the generated instances.
-
- """
-
- while False: # TODO more instances?
- # TODO fetch system resource
- # Key properties''' % mappings
- for kp in keyProps:
- code+='''
- model['%(pname)s'] = # TODO (type = %(ptype)s)''' \
- % { 'pname':kp.name, 'ptype':type_str(kp) }
- code+='''
- if keys_only:
- yield model
- else:
- try:
- yield self.get_instance(env, model, cim_class)
- except pywbem.CIMError, (num, msg):
- if num not in (pywbem.CIM_ERR_NOT_FOUND,
- pywbem.CIM_ERR_ACCESS_DENIED):
- raise
-'''
-
- code+='''
- #########################################################################
- def set_instance(self, env, instance, previous_instance, cim_class):
- """ Return a newly created or modified instance of %(classname)s
-
- Keyword arguments:
- env -- Provider Environment
- instance -- The new CIMInstance. If modifying an existing instance,
- the properties on this instance have been filtered by the
- PropertyList from the request.
- previous_instance -- The previous instance if modifying an existing
- instance. None if creating a new instance.
- cim_class -- The CIMClass %(classname)s
-
- Return the new instance. The keys must be set on the new instance.
-
- """
-
- # TODO create or modify the instance
- return instance
-
- #########################################################################
- def delete_instance(self, env, instance_name):
- """ Delete an instance of %(classname)s
-
- Keyword arguments:
- env -- Provider Environment
- instance_name -- A CIMInstanceName specifying the instance of
- %(classname)s to delete.
-
- """ ''' % mappings
-
- for method in cc.methods.values():
- inParms = [ p for p in method.parameters.values() if \
- 'in' in p.qualifiers and p.qualifiers['in'].value ]
- outParms = [ p for p in method.parameters.values() if \
- 'out' in p.qualifiers and p.qualifiers['out'].value ]
- code+= '''
- #########################################################################
- def cim_method_%s(self, env, object_name, method''' % method.name.lower()
- for p in inParms:
- code+= ''',
- param_%s''' % p.name.lower()
- code+= '''):
- """Implements %s.%s()
-''' % (cc.classname, method.name)
- code+= format_desc(method)
-
- code+= '''
- Keyword arguments:
- env -- Provider Environment
- object_name -- A CIMInstanceName or CIMCLassName specifying the
- object on which the method %(mname)s should be invoked
- method -- A CIMMethod representing the method meta-data'''
-
- for p in inParms:
- code+= '''
- param_%s -- The input parameter %s (type %s) %s''' \
- % (p.name.lower(), p.name, type_str(p), is_required(p))
- code+= format_desc(p)
-
- code+='''
-
- Returns a two-tuple containing the return value (type %s)
- and a dictionary with the out-parameters
-
- Output parameters:''' %(method.return_type)
-
- if not outParms:
- code+= ' none'
- else:
- for p in outParms:
- code+='''
- %s -- (type %s) %s''' % (p.name, type_str(p), is_required(p))
- code+= format_desc(p)
-
-
- code+='''
-
- """
-
- # TODO do something
- out_params = {}'''
-
- for p in outParms:
- code+='''
- out_params['%s'] = # TODO (type %s)''' % (p.name.lower(), type_str(p))
-
- code+='''
- rval = # TODO (type %s)
- return (rval, out_params)
- ''' % method.return_type
-
- if isAssoc:
- code+= '''
- #########################################################################
- def references(self, env, object_name, model, assoc_class,
- result_class_name, role, result_role):
- """Instrument %(classname)s Associations.
- All four association-related operations (Associators, AssociatorNames,
- References, ReferenceNames) are mapped to this method.
- This method is a python generator
-
- Keyword arguments:
- env -- Provider Environment
- object_name -- A CIMInstanceName that defines the source CIM Object
- whose associated Objects are to be returned.
- model -- A template CIMInstance of %(classname)s to serve as a model
- of the objects to be returned. Only properties present on this
- model need to be returned.
- assoc_class -- The CIMClass %(classname)s
- result_class_name -- If not None, acts as a filter on the returned set
- of Objects by mandating that each returned Object MUST be either
- an Instance of this Class (or one of its subclasses) or be this
- Class (or one of its subclasses).
- role -- If not None, acts as a filter on the returned set of Objects
- by mandating that each returned Object MUST be associated to the
- source Object via an Association in which the source Object plays
- the specified role (i.e. the name of the Property in the
- Association Class that refers to the source Object MUST match
- the value of this parameter).
- result_role -- If not None, acts as a filter on the returned set of
- Objects by mandating that each returned Object MUST be associated
- to the source Object via an Association in which the returned
- Object plays the specified role (i.e. the name of the Property in
- the Association Class that refers to the returned Object MUST
- match the value of this parameter).
- """
-
-''' % mappings
-
- code+= '''
-
-## end of class %(classname)sProvider
-
-_%(classname_l)s_prov = %(classname)sProvider() # initialize provider
-py_providers = {'%(classname)s': _%(classname_l)s_prov} # register provider
-''' % mappings
-
- ptypes = ['1', 'Instance']
- if isAssoc:
- ptypes[0]+= ',3'
- ptypes[1]+= ', Associator'
- if cc.methods:
- ptypes[0]+= ',6'
- ptypes[1]+= ', Method'
- mof ='''
-// Provider registration for %(classname)s
-instance of OpenWBEM_PyProviderRegistration
-{
- InstanceID = "<org:product:unique_id>"; // TODO
- NamespaceNames = {"root/cimv2"};
- ClassName = "%(classname)s";
- ProviderTypes = {%(ptypeNums)s}; // %(ptypeStrs)s
- ModulePath = "/some/path/%(classname)sProvider.py"; // TODO
-};
-''' % {'classname': cc.classname,
- 'ptypeNums': ptypes[0],
- 'ptypeStrs': ptypes[1]}
-
- return code, mof
-
def Provider(req, url, ns, className):
conn = _frontMatter(req, url, ns)
klass = _ex(req, conn.GetClass, ClassName = className, LocalOnly = "false",
IncludeClassOrigin = "true")
- code, mof = _providerTemplate(klass)
+ from cimprovider import provider_template
+ code, mof = provider_template(klass)
title = 'Python Provider for %s' % className
ht = _printHead(title, req)
ht+= '<font size=+1><b>%s</b></font>' % title
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