def get_node_valuetext(node):
"Get text from node, whether in value=, or in element body."
# we know where the text is, based on whether there is
# a value= attribute. ie. pickler can place it in either
# place (based on user preference) and unpickler doesn't care
if node._attrs.has_key('value'):
# text in tag
ttext = node.getAttribute('value')
return unsafe_string(ttext)
else:
# text in body
node.normalize()
try:
btext = node.childNodes[0].nodeValue
except:
btext = ''
return unsafe_content(btext)
def get_node_valuetext(node):
"Get text from node, whether in value=, or in element body."
# we know where the text is, based on whether there is
# a value= attribute. ie. pickler can place it in either
# place (based on user preference) and unpickler doesn't care
if node._attrs.has_key('value'):
# text in tag
ttext = node.getAttribute('value')
return unsafe_string(ttext)
else:
# text in body
node.normalize()
try:
btext = node.childNodes[0].nodeValue
except:
btext = ''
return unsafe_content(btext)
def reduce(self, name, bodytext):
#dbg("ABOUT TO REDUCE %s %s"%(name,str(self.elem_stk[-1])))
dbg("ABOUT TO REDUCE %s" % (name))
self.prstk()
elem = self.elem_stk.pop()
refid = elem[4].get('refid')
if refid:
obj = self.visited[refid]
#dbg("GOT REF %s,%s"%(str(refid),obj))
self.val_stk.append((elem[0], elem[3], obj))
dbg("<<<<<<<<<<<< REDUCED")
self.prstk()
self.nr_objs += 1
return
if elem[4].get('value'):
valuetext = unsafe_string(elem[4].get('value'))
else:
valuetext = unsafe_content(bodytext)
#valuetext = elem[4].get('value') or bodytext
if name in ['attr', 'key', 'val', 'item']:
# step 1 -- convert family -> basic_type
family = elem[1]
if family == 'atom':
dbg("** ATOM")
obj = valuetext
elif family == 'none':
dbg("** NONE")
obj = None
elif family == 'seq':
dbg("** SEQ")
obj = elem[5]
while self.val_stk[-1][0] != 'STOP':
obj.insert(0, self.val_stk.pop()[2])
self.val_stk.pop() # pop STOP
elif family == 'map':
dbg("** MAP")
obj = elem[5]
while self.val_stk[-1][0] != 'STOP':
e = self.val_stk.pop()
obj[e[2][0]] = e[2][1]
self.val_stk.pop() # pop STOP
elif family == 'obj':
dbg("** OBJ")
obj = self.unpickle_instance(elem)
elif family == 'lang':
if elem[2] == 'function':
obj = unpickle_function(elem[4].get('module'),
elem[4].get('class'),
self.paranoia)
elif elem[2] == 'class':
obj = get_class_from_name(elem[4].get('class'),
elem[4].get('module'),
self.paranoia)
else:
raise XMLUnpicklingError, \
"Unknown lang type %s" % elem[2]
elif family == 'uniq':
# uniq is a special type - we don't know how to unpickle
# a generic 'uniq' object, so we have to handle the specific
# types here instead of in the block below
# Gnosis-1.0.6 and earlier encoded functions/classes
# as 'uniq' instead of 'lang' -- accept those encodings
# for backward compatibility
if elem[2] == 'function':
obj = unpickle_function(elem[4].get('module'),
elem[4].get('class'),
self.paranoia)
elif elem[2] == 'class':
obj = get_class_from_name(elem[4].get('class'),
elem[4].get('module'),
self.paranoia)
elif elem[2] == 'True':
obj = TRUE_VALUE
elif elem[2] == 'False':
obj = FALSE_VALUE
else:
raise XMLUnpicklingError, \
"Unknown uniq type %s" % elem[2]
else:
raise XMLUnpicklingError, \
"UNKNOWN family %s,%s,%s" % \
(family,elem[2],elem[3])
# step 2 -- convert basic -> specific type
# (many of these are NOPs, but included for clarity)
if elem[2] == 'numeric':
dbg("** NUMERIC")
#if obj.isdigit():
# obj = string.atoi(obj)
#else:
# obj = eval(obj)
obj = to_number(obj)
elif elem[2] == 'string':
dbg("** STRING")
obj = obj
elif elem[2] == 'None':
obj = obj
elif elem[2] in ['tuple', 'list']:
dbg("** TUPLE/LIST")
if elem[2] != 'list':
obj = tuple(obj)
else:
obj = obj
elif elem[2] == 'dict':
obj = obj
elif elem[2] == 'PyObject':
obj = obj
elif elem[2] == 'function':
obj = obj
elif elem[2] == 'class':
obj = obj
elif elem[2] == 'True':
obj = obj
elif elem[2] == 'False':
obj = obj
elif mutate.can_unmutate(elem[2], obj):
mextra = elem[4].get('extra')
obj = mutate.unmutate(elem[2], obj, self.paranoia, mextra)
#elif xmlext.can_handle_xml(elem[1],valuetext):
# obj = xmlext.xml_to_obj(elem[1],valuetext,self.paranoia)
else:
self.prstk(1)
raise XMLUnpicklingError, \
"UNHANDLED elem %s"%elem[2]
# push on stack and save obj ref
self.val_stk.append((elem[0], elem[3], obj))
self.save_obj_id(obj, elem)
self.nr_objs += 1
elif name == 'entry':
e1 = self.val_stk.pop()
e2 = self.val_stk.pop()
if e1[0] == 'val':
ent = ((elem[0], elem[3], (e2[2], e1[2])))
else:
ent = ((elem[0], elem[3], (e1[2], e2[2])))
# <entry> actually has no id
self.save_obj_id(ent, elem)
self.val_stk.append(ent)
elif name == 'PyObject':
obj = self.unpickle_instance(elem)
# do we need to unmutate it? (check for type= being set -
# will only be set for mutated objects)
if elem[2] is not None and len(elem[2]):
if mutate.can_unmutate(elem[2], obj):
# note -- 'extra' isn't handled (yet) at the toplevel
obj = mutate.unmutate(elem[2], obj, self.paranoia, None)
self.val_stk.append((elem[0], elem[3], obj))
self.save_obj_id(obj, elem)
self.nr_objs += 1
else:
raise str("UNHANDLED name %s" % name)
dbg("<<<<<<<<<<<< REDUCED")
self.prstk()
def reduce(self,name,bodytext):
#dbg("ABOUT TO REDUCE %s %s"%(name,str(self.elem_stk[-1])))
dbg("ABOUT TO REDUCE %s"%(name))
self.prstk()
elem = self.elem_stk.pop()
refid = elem[4].get('refid')
if refid:
obj = self.visited[refid]
#dbg("GOT REF %s,%s"%(str(refid),obj))
self.val_stk.append((elem[0],elem[3],obj))
dbg("<<<<<<<<<<<< REDUCED")
self.prstk()
self.nr_objs += 1
return
if elem[4].get('value'):
valuetext = unsafe_string(elem[4].get('value'))
else:
valuetext = unsafe_content(bodytext)
#valuetext = elem[4].get('value') or bodytext
if name in ['attr','key','val','item']:
# step 1 -- convert family -> basic_type
family = elem[1]
if family == 'atom':
dbg("** ATOM")
obj = valuetext
elif family == 'none':
dbg("** NONE")
obj = None
elif family == 'seq':
dbg("** SEQ")
obj = elem[5]
while self.val_stk[-1][0] != 'STOP':
obj.insert(0,self.val_stk.pop()[2])
self.val_stk.pop() # pop STOP
elif family == 'map':
dbg("** MAP")
obj = elem[5]
while self.val_stk[-1][0] != 'STOP':
e = self.val_stk.pop()
obj[e[2][0]] = e[2][1]
self.val_stk.pop() # pop STOP
elif family == 'obj':
dbg("** OBJ")
obj = self.unpickle_instance(elem)
elif family == 'lang':
if elem[2] == 'function':
obj = unpickle_function(elem[4].get('module'),
elem[4].get('class'),
self.paranoia)
elif elem[2] == 'class':
obj = get_class_from_name(elem[4].get('class'),
elem[4].get('module'),
self.paranoia)
else:
raise XMLUnpicklingError, \
"Unknown lang type %s" % elem[2]
elif family == 'uniq':
# uniq is a special type - we don't know how to unpickle
# a generic 'uniq' object, so we have to handle the specific
# types here instead of in the block below
# Gnosis-1.0.6 and earlier encoded functions/classes
# as 'uniq' instead of 'lang' -- accept those encodings
# for backward compatibility
if elem[2] == 'function':
obj = unpickle_function(elem[4].get('module'),
elem[4].get('class'),
self.paranoia)
elif elem[2] == 'class':
obj = get_class_from_name(elem[4].get('class'),
elem[4].get('module'),
self.paranoia)
elif elem[2] == 'True':
obj = TRUE_VALUE
elif elem[2] == 'False':
obj = FALSE_VALUE
else:
raise XMLUnpicklingError, \
"Unknown uniq type %s" % elem[2]
else:
raise XMLUnpicklingError, \
"UNKNOWN family %s,%s,%s" % \
(family,elem[2],elem[3])
# step 2 -- convert basic -> specific type
# (many of these are NOPs, but included for clarity)
if elem[2] == 'numeric':
dbg("** NUMERIC")
#if obj.isdigit():
# obj = string.atoi(obj)
#else:
# obj = eval(obj)
obj = to_number(obj)
elif elem[2] == 'string':
dbg("** STRING")
obj = obj
elif elem[2] == 'None':
obj = obj
elif elem[2] in ['tuple','list']:
dbg("** TUPLE/LIST")
if elem[2] != 'list':
obj = tuple(obj)
else:
obj = obj
elif elem[2] == 'dict':
obj = obj
elif elem[2] == 'PyObject':
obj = obj
elif elem[2] == 'function':
obj = obj
elif elem[2] == 'class':
obj = obj
elif elem[2] == 'True':
obj = obj
elif elem[2] == 'False':
obj = obj
elif mutate.can_unmutate(elem[2],obj):
mextra = elem[4].get('extra')
obj = mutate.unmutate(elem[2],obj,self.paranoia,mextra)
#elif xmlext.can_handle_xml(elem[1],valuetext):
# obj = xmlext.xml_to_obj(elem[1],valuetext,self.paranoia)
else:
self.prstk(1)
raise XMLUnpicklingError, \
"UNHANDLED elem %s"%elem[2]
# push on stack and save obj ref
self.val_stk.append((elem[0],elem[3],obj))
self.save_obj_id(obj,elem)
self.nr_objs += 1
elif name == 'entry':
e1 = self.val_stk.pop()
e2 = self.val_stk.pop()
if e1[0] == 'val':
ent = ((elem[0],elem[3],(e2[2],e1[2])))
else:
ent = ((elem[0],elem[3],(e1[2],e2[2])))
# <entry> actually has no id
self.save_obj_id(ent,elem)
self.val_stk.append(ent)
elif name == 'PyObject':
obj = self.unpickle_instance(elem)
# do we need to unmutate it? (check for type= being set -
# will only be set for mutated objects)
if elem[2] is not None and len(elem[2]):
if mutate.can_unmutate(elem[2],obj):
# note -- 'extra' isn't handled (yet) at the toplevel
obj = mutate.unmutate(elem[2],obj,self.paranoia,None)
self.val_stk.append((elem[0],elem[3],obj))
self.save_obj_id(obj,elem)
self.nr_objs += 1
else: raise str("UNHANDLED name %s"%name)
dbg("<<<<<<<<<<<< REDUCED")
self.prstk()
