Tolerate missing plugin functions #570
@ -111,6 +111,11 @@ def _commands_plugin_path(ctx: DeployCommandContext):
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return plugin_path.joinpath("deploy", "commands.py")
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# See: https://stackoverflow.com/a/54625079/1701505
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def _has_method(o, name):
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return callable(getattr(o, name, None))
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def call_stack_deploy_init(deploy_command_context):
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# Link with the python file in the stack
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# Call a function in it
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@ -120,7 +125,8 @@ def call_stack_deploy_init(deploy_command_context):
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spec = util.spec_from_file_location("commands", python_file_path)
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imported_stack = util.module_from_spec(spec)
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spec.loader.exec_module(imported_stack)
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return imported_stack.init(deploy_command_context)
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if _has_method(imported_stack, "init"):
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return imported_stack.init(deploy_command_context)
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else:
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return None
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@ -136,7 +142,8 @@ def call_stack_deploy_setup(deploy_command_context, parameters: LaconicStackSetu
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spec = util.spec_from_file_location("commands", python_file_path)
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imported_stack = util.module_from_spec(spec)
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spec.loader.exec_module(imported_stack)
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return imported_stack.setup(deploy_command_context, parameters, extra_args)
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if _has_method(imported_stack, "setup"):
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return imported_stack.setup(deploy_command_context, parameters, extra_args)
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else:
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return None
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@ -151,7 +158,8 @@ def call_stack_deploy_create(deployment_context, extra_args):
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spec = util.spec_from_file_location("commands", python_file_path)
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imported_stack = util.module_from_spec(spec)
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spec.loader.exec_module(imported_stack)
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return imported_stack.create(deployment_context, extra_args)
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if _has_method(imported_stack, "create"):
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return imported_stack.create(deployment_context, extra_args)
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else:
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return None
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