Merge "Fix [H405] pep rule in heat/engine/cfn"
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@ -24,15 +24,14 @@ from heat.engine import function
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class FindInMap(function.Function):
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'''
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A function for resolving keys in the template mappings.
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"""A function for resolving keys in the template mappings.
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Takes the form::
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{ "Fn::FindInMap" : [ "mapping",
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"key",
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"value" ] }
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'''
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"""
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def __init__(self, stack, fn_name, args):
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super(FindInMap, self).__init__(stack, fn_name, args)
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@ -50,13 +49,12 @@ class FindInMap(function.Function):
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class GetAZs(function.Function):
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'''
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A function for retrieving the availability zones.
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"""A function for retrieving the availability zones.
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Takes the form::
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{ "Fn::GetAZs" : "<region>" }
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'''
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"""
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def result(self):
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# TODO(therve): Implement region scoping
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@ -69,13 +67,12 @@ class GetAZs(function.Function):
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class ParamRef(function.Function):
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'''
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A function for resolving parameter references.
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"""A function for resolving parameter references.
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Takes the form::
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{ "Ref" : "<param_name>" }
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'''
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"""
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def __init__(self, stack, fn_name, args):
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super(ParamRef, self).__init__(stack, fn_name, args)
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@ -93,13 +90,12 @@ class ParamRef(function.Function):
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class ResourceRef(function.Function):
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'''
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A function for resolving resource references.
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"""A function for resolving resource references.
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Takes the form::
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{ "Ref" : "<resource_name>" }
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'''
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"""
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def _resource(self, path='unknown'):
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resource_name = function.resolve(self.args)
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@ -119,8 +115,7 @@ class ResourceRef(function.Function):
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def Ref(stack, fn_name, args):
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'''
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A function for resolving parameters or resource references.
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"""A function for resolving parameters or resource references.
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Takes the form::
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@ -129,7 +124,7 @@ def Ref(stack, fn_name, args):
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or::
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{ "Ref" : "<resource_name>" }
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'''
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"""
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if args in stack:
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RefClass = ResourceRef
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else:
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@ -138,14 +133,13 @@ def Ref(stack, fn_name, args):
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class GetAtt(function.Function):
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'''
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A function for resolving resource attributes.
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"""A function for resolving resource attributes.
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Takes the form::
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{ "Fn::GetAtt" : [ "<resource_name>",
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"<attribute_name" ] }
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'''
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"""
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def __init__(self, stack, fn_name, args):
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super(GetAtt, self).__init__(stack, fn_name, args)
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@ -208,8 +202,7 @@ class GetAtt(function.Function):
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class Select(function.Function):
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'''
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A function for selecting an item from a list or map.
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"""A function for selecting an item from a list or map.
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Takes the form (for a list lookup)::
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@ -221,7 +214,7 @@ class Select(function.Function):
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If the selected index is not found, this function resolves to an empty
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string.
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'''
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"""
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def __init__(self, stack, fn_name, args):
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super(Select, self).__init__(stack, fn_name, args)
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@ -282,8 +275,7 @@ class Select(function.Function):
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class Join(function.Function):
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'''
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A function for joining strings.
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"""A function for joining strings.
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Takes the form::
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@ -292,7 +284,7 @@ class Join(function.Function):
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And resolves to::
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"<string_1><delim><string_2><delim>..."
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'''
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"""
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def __init__(self, stack, fn_name, args):
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super(Join, self).__init__(stack, fn_name, args)
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@ -336,8 +328,7 @@ class Join(function.Function):
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class Split(function.Function):
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'''
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A function for splitting strings.
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"""A function for splitting strings.
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Takes the form::
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@ -346,7 +337,7 @@ class Split(function.Function):
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And resolves to::
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[ "<string_1>", "<string_2>", ... ]
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'''
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"""
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def __init__(self, stack, fn_name, args):
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super(Split, self).__init__(stack, fn_name, args)
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@ -379,8 +370,7 @@ class Split(function.Function):
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class Replace(function.Function):
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'''
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A function for performing string substitutions.
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"""A function for performing string substitutions.
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Takes the form::
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@ -395,7 +385,7 @@ class Replace(function.Function):
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This is implemented using python str.replace on each key. The order in
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which replacements are performed is undefined.
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'''
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"""
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def __init__(self, stack, fn_name, args):
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super(Replace, self).__init__(stack, fn_name, args)
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@ -458,8 +448,7 @@ class Replace(function.Function):
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class Base64(function.Function):
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'''
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A placeholder function for converting to base64.
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"""A placeholder function for converting to base64.
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Takes the form::
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@ -468,7 +457,7 @@ class Base64(function.Function):
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This function actually performs no conversion. It is included for the
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benefit of templates that convert UserData to Base64. Heat accepts UserData
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in plain text.
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'''
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"""
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def result(self):
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resolved = function.resolve(self.args)
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@ -478,9 +467,7 @@ class Base64(function.Function):
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class MemberListToMap(function.Function):
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'''
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A function for converting lists containing enumerated keys and values to
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a mapping.
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"""A function to convert lists with enumerated keys and values to mapping.
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Takes the form::
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@ -495,7 +482,7 @@ class MemberListToMap(function.Function):
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{ "<key_0>" : "<value_0>", ... }
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The first two arguments are the names of the key and value.
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'''
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"""
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def __init__(self, stack, fn_name, args):
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super(MemberListToMap, self).__init__(stack, fn_name, args)
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@ -535,7 +522,8 @@ class MemberListToMap(function.Function):
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class ResourceFacade(function.Function):
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'''
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"""A function for retrieving data in a parent provider template.
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A function for obtaining data from the facade resource from within the
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corresponding provider template.
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@ -545,7 +533,7 @@ class ResourceFacade(function.Function):
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where the valid attribute types are "Metadata", "DeletionPolicy" and
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"UpdatePolicy".
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'''
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"""
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_RESOURCE_ATTRIBUTES = (
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METADATA, DELETION_POLICY, UPDATE_POLICY,
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@ -34,7 +34,7 @@ _RESOURCE_KEYS = (
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class CfnTemplate(template.Template):
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'''A stack template.'''
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"""A stack template."""
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SECTIONS = (
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VERSION, ALTERNATE_VERSION,
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@ -63,7 +63,7 @@ class CfnTemplate(template.Template):
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}
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def __getitem__(self, section):
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'''Get the relevant section in the template.'''
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"""Get the relevant section in the template."""
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if section not in self.SECTIONS:
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raise KeyError(_('"%s" is not a valid template section') % section)
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if section in self.SECTIONS_NO_DIRECT_ACCESS:
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