protolib.py (10107:524afa92d940) protolib.py (10269:82773ace39fa)
1#!/usr/bin/env python
2
3# Copyright (c) 2013 ARM Limited
4# All rights reserved
5#
6# The license below extends only to copyright in the software and shall
7# not be construed as granting a license to any other intellectual
8# property including but not limited to intellectual property relating

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66#
67# Authors: Andreas Hansson
68# Radhika Jagtap
69
70# This file is a library of commonly used functions used when interfacing
71# with protobuf python messages. For eg, the decode scripts for different
72# types of proto objects can use the same function to decode a single message
73
1#!/usr/bin/env python
2
3# Copyright (c) 2013 ARM Limited
4# All rights reserved
5#
6# The license below extends only to copyright in the software and shall
7# not be construed as granting a license to any other intellectual
8# property including but not limited to intellectual property relating

--- 57 unchanged lines hidden (view full) ---

66#
67# Authors: Andreas Hansson
68# Radhika Jagtap
69
70# This file is a library of commonly used functions used when interfacing
71# with protobuf python messages. For eg, the decode scripts for different
72# types of proto objects can use the same function to decode a single message
73
74import gzip
74import struct
75
75import struct
76
77def openFileRd(in_file):
78 """
79 This opens the file passed as argument for reading using an appropriate
80 function depending on if it is gzipped or not. It returns the file
81 handle.
82 """
83 try:
84 # First see if this file is gzipped
85 try:
86 # Opening the file works even if it is not a gzip file
87 proto_in = gzip.open(in_file, 'rb')
88
89 # Force a check of the magic number by seeking in the
90 # file. If we do not do it here the error will occur when
91 # reading the first message.
92 proto_in.seek(1)
93 proto_in.seek(0)
94 except IOError:
95 proto_in = open(in_file, 'rb')
96 except IOError:
97 print "Failed to open ", in_file, " for reading"
98 exit(-1)
99 return proto_in
100
76def DecodeVarint(in_file):
77 """
78 The decoding of the Varint32 is copied from
79 google.protobuf.internal.decoder and is only repeated here to
80 avoid depending on the internal functions in the library. If the
81 end of file is reached, return (0, 0).
82 """
83 result = 0

--- 58 unchanged lines hidden --- 		101def DecodeVarint(in_file):
102 """
103 The decoding of the Varint32 is copied from
104 google.protobuf.internal.decoder and is only repeated here to
105 avoid depending on the internal functions in the library. If the
106 end of file is reached, return (0, 0).
107 """
108 result = 0

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