o  @shdZddlmZddlmZddlmZddlmZddlmZddlmZddlm Z  d d d Z d S) z9Cloud resource filter and format key reference utilities.)absolute_import)division)unicode_literals)resource_filter)resource_keys_expr) resource_lex)resource_printerNcCst}|r |r tdn |rtj||d}|j}|r-|jD] }|tj|j ddq|rKt j ||t d}|dD] }|tj|ddq>|S)aReturns the set of key names referenced by filter / format expressions. NOTICE: OnePlatform is forgiving on filter and format key reference name spelling. Use resource_property.GetMatchingIndex() when verifying against resource dictionaries to handle camel and snake case spellings. Args: filter_string: The resource filter expression string. format_string: The resource format expression string. printer: The parsed format_string. defaults: The resource format and filter default projection. Raises: ValueError: If both format_string and printer are specified. Returns: The set of key names referenced by filter / format expressions. z.Cannot specify both format_string and printer.)defaultsT) omit_indices)r backendN)set ValueErrorrPrintercolumn_attributesColumnsaddr GetKeyNamekeyrCompilerBackendEvaluate) filter_string format_stringprinterr keyscolexprrrL/tmp/google-cloud-sdk/lib/googlecloudsdk/core/resource/resource_reference.pyGetReferencedKeyNamess$ r)NNNN) __doc__ __future__rrrgooglecloudsdk.core.resourcerrrrrrrrrs