"""Return dictionaries mapping lower case typename (e.g. 'tuple') to type

typenamelist = [tname for tname in dir(types) if tname.endswith("Type")]

typestr2type, type2typestr = {}, {}

for tname in typenamelist:

name = tname[:-4].lower() # Cut 'Type' off the end of the name

obj = getattr(types, tname)

typestr2type[name] = obj

if name not in dont_include_in_type2typestr:

type2typestr[obj] = name

"""is_type(obj, typestr_or_type) verifies if obj is of a certain type. It

if typestr_or_type == "all":

return True

if type(typestr_or_type) == types.TypeType:

test_type = typestr_or_type

else:

test_type = typestr2type.get(typestr_or_type, False)

if test_type:

return isinstance(obj, test_type)

"""Produce a dictionary of an object's attributes. Builds on dir2 by

ns = {}

for key in dir2(obj):

# This seemingly unnecessary try/except is actually needed

# because there is code out there with metaclasses that

# create 'write only' attributes, where a getattr() call

# will fail even if the attribute appears listed in the

# object's dictionary. Properties can actually do the same

# thing. In particular, Traits use this pattern

try:

ns[key] = getattr(obj, key)

except AttributeError:

pass

show_all=True):

"""Filter a namespace dictionary by name pattern and item type."""

pattern = name_pattern.replace("*",".*").replace("?",".")

if ignore_case:

reg = re.compile(pattern+"$", re.I)

else:

reg = re.compile(pattern+"$")

# Check each one matches regex; shouldn't be hidden; of correct type.

return dict((key,obj) for key, obj in ns.iteritems() if reg.match(key) \

and show_hidden(key, show_all) \

"""Return dictionary of all objects in a namespace dictionary that match

pattern_list=filter.split(".")

if len(pattern_list) == 1:

return filter_ns(namespace, name_pattern=pattern_list[0],

type_pattern=type_pattern,

ignore_case=ignore_case, show_all=show_all)

else:

# This is where we can change if all objects should be searched or

# only modules. Just change the type_pattern to module to search only

# modules

filtered = filter_ns(namespace, name_pattern=pattern_list[0],

type_pattern="all",

ignore_case=ignore_case, show_all=show_all)

results = {}

for name, obj in filtered.iteritems():

ns = list_namespace(dict_dir(obj), type_pattern,

".".join(pattern_list[1:]),

ignore_case=ignore_case, show_all=show_all)

for inner_name, inner_obj in ns.iteritems():

results["%s.%s"%(name,inner_name)] = inner_obj