1# Copyright (C) 2022 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15from typing import Type 16 17from perfetto.trace_uri_resolver import util 18from perfetto.trace_uri_resolver.resolver import TraceUriResolver 19 20 21class PathUriResolver(TraceUriResolver): 22 PREFIX: str = None 23 24 def __init__(self, path: str): 25 self.path = path 26 27 def resolve(self) -> TraceUriResolver.Result: 28 return [ 29 TraceUriResolver.Result( 30 trace=util.file_generator(self.path), metadata=dict()) 31 ] 32 33 @classmethod 34 def from_trace_uri(cls: Type['PathUriResolver'], 35 args_str: str) -> 'PathUriResolver': 36 return PathUriResolver(args_str) 37