1#!/usr/bin/env python 2# -*- coding: utf-8 -*- 3# 4# which-error.py: Print semantic Subversion error code names mapped from 5# their numeric error code values 6# 7# ==================================================================== 8# Licensed to the Apache Software Foundation (ASF) under one 9# or more contributor license agreements. See the NOTICE file 10# distributed with this work for additional information 11# regarding copyright ownership. The ASF licenses this file 12# to you under the Apache License, Version 2.0 (the 13# "License"); you may not use this file except in compliance 14# with the License. You may obtain a copy of the License at 15# 16# http://www.apache.org/licenses/LICENSE-2.0 17# 18# Unless required by applicable law or agreed to in writing, 19# software distributed under the License is distributed on an 20# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 21# KIND, either express or implied. See the License for the 22# specific language governing permissions and limitations 23# under the License. 24# ==================================================================== 25# 26# $HeadURL: https://svn.apache.org/repos/asf/subversion/branches/1.14.x/tools/dev/which-error.py $ 27# $LastChangedDate: 2016-04-30 08:16:53 +0000 (Sat, 30 Apr 2016) $ 28# $LastChangedBy: stefan2 $ 29# $LastChangedRevision: 1741723 $ 30# 31 32import errno 33import sys 34import os.path 35import re 36 37try: 38 from svn import core 39except ImportError as e: 40 sys.stderr.write("ERROR: Unable to import Subversion's Python bindings: '%s'\n" \ 41 "Hint: Set your PYTHONPATH environment variable, or adjust your " \ 42 "PYTHONSTARTUP\nfile to point to your Subversion install " \ 43 "location's svn-python directory.\n" % e) 44 sys.stderr.flush() 45 sys.exit(1) 46 47 48def usage_and_exit(): 49 progname = os.path.basename(sys.argv[0]) 50 sys.stderr.write("""Usage: 1. %s ERRNUM [...] 51 2. %s parse 52 3. %s list 53 54Print numeric and semantic error code information for Subversion error 55codes. This can be done in variety of ways: 56 57 1. For each ERRNUM, list the error code information. 58 59 2. Parse standard input as if it was error stream from a debug-mode 60 Subversion command-line client, echoing that input to stdout, 61 followed by the error code information for codes found in use in 62 that error stream. 63 64 3. Simply list the error code information for all known such 65 mappings. 66 67""" % (progname, progname, progname)) 68 sys.exit(1) 69 70def get_errors(): 71 errs = {} 72 ## errno values. 73 errs.update(errno.errorcode) 74 ## APR-defined errors, from apr_errno.h. 75 dirname = os.path.dirname(os.path.realpath(__file__)) 76 for line in open(os.path.join(dirname, 'aprerr.txt')): 77 # aprerr.txt parsing duplicated in gen_base.py:write_errno_table() 78 if line.startswith('#'): 79 continue 80 key, _, val = line.split() 81 errs[int(val)] = key 82 ## Subversion errors, from svn_error_codes.h. 83 for key in vars(core): 84 if key.find('SVN_ERR_') == 0: 85 try: 86 val = int(vars(core)[key]) 87 errs[val] = key 88 except: 89 pass 90 return errs 91 92def print_error(code): 93 try: 94 print('%08d %s' % (code, __svn_error_codes[code])) 95 except KeyError: 96 if code == -41: 97 print("Sit by a lake.") 98 elif code >= 120100 and code < 121000: 99 print('%08d <error code from libserf; see serf.h>' % (code)) 100 else: 101 print('%08d *** UNKNOWN ERROR CODE ***' % (code)) 102 103if __name__ == "__main__": 104 global __svn_error_codes 105 __svn_error_codes = get_errors() 106 codes = [] 107 if len(sys.argv) < 2: 108 usage_and_exit() 109 110 # Get a list of known codes 111 if sys.argv[1] == 'list': 112 if len(sys.argv) > 2: 113 usage_and_exit() 114 codes = sorted(__svn_error_codes.keys()) 115 116 # Get a list of code by parsing stdin for apr_err=CODE instances 117 elif sys.argv[1] == 'parse': 118 if len(sys.argv) > 2: 119 usage_and_exit() 120 while True: 121 line = sys.stdin.readline() 122 if not line: 123 break 124 sys.stdout.write(line) 125 match = re.match(r'^.*apr_err=([0-9]+)[^0-9].*$', line) 126 if match: 127 codes.append(int(match.group(1))) 128 129 # Get the list of requested codes 130 else: 131 for code in sys.argv[1:]: 132 try: 133 code = code.lstrip('EW') 134 codes.append(int(code)) 135 except ValueError: 136 usage_and_exit() 137 138 # Print the harvest codes 139 for code in codes: 140 print_error(code) 141 142 143