|  | #!/usr/bin/python | 
|  | # | 
|  | # Copyright (C) 2014 Free Software Foundation, Inc. | 
|  | # | 
|  | # This script is free software; you can redistribute it and/or modify | 
|  | # it under the terms of the GNU General Public License as published by | 
|  | # the Free Software Foundation; either version 3, or (at your option) | 
|  | # any later version. | 
|  |  | 
|  | import sys | 
|  | import getopt | 
|  | import re | 
|  | import io | 
|  | from datetime import datetime | 
|  | from operator import attrgetter | 
|  |  | 
|  | # True if unrecognised lines should cause a fatal error.  Might want to turn | 
|  | # this on by default later. | 
|  | strict = False | 
|  |  | 
|  | # True if the order of .log segments should match the .sum file, false if | 
|  | # they should keep the original order. | 
|  | sort_logs = True | 
|  |  | 
|  | # A version of open() that is safe against whatever binary output | 
|  | # might be added to the log. | 
|  | def safe_open (filename): | 
|  | if sys.version_info >= (3, 0): | 
|  | return open (filename, 'r', errors = 'surrogateescape') | 
|  | return open (filename, 'r') | 
|  |  | 
|  | # Force stdout to handle escape sequences from a safe_open file. | 
|  | if sys.version_info >= (3, 0): | 
|  | sys.stdout = io.TextIOWrapper (sys.stdout.buffer, | 
|  | errors = 'surrogateescape') | 
|  |  | 
|  | class Named: | 
|  | def __init__ (self, name): | 
|  | self.name = name | 
|  |  | 
|  | class ToolRun (Named): | 
|  | def __init__ (self, name): | 
|  | Named.__init__ (self, name) | 
|  | # The variations run for this tool, mapped by --target_board name. | 
|  | self.variations = dict() | 
|  |  | 
|  | # Return the VariationRun for variation NAME. | 
|  | def get_variation (self, name): | 
|  | if name not in self.variations: | 
|  | self.variations[name] = VariationRun (name) | 
|  | return self.variations[name] | 
|  |  | 
|  | class VariationRun (Named): | 
|  | def __init__ (self, name): | 
|  | Named.__init__ (self, name) | 
|  | # A segment of text before the harness runs start, describing which | 
|  | # baseboard files were loaded for the target. | 
|  | self.header = None | 
|  | # The harnesses run for this variation, mapped by filename. | 
|  | self.harnesses = dict() | 
|  | # A list giving the number of times each type of result has | 
|  | # been seen. | 
|  | self.counts = [] | 
|  |  | 
|  | # Return the HarnessRun for harness NAME. | 
|  | def get_harness (self, name): | 
|  | if name not in self.harnesses: | 
|  | self.harnesses[name] = HarnessRun (name) | 
|  | return self.harnesses[name] | 
|  |  | 
|  | class HarnessRun (Named): | 
|  | def __init__ (self, name): | 
|  | Named.__init__ (self, name) | 
|  | # Segments of text that make up the harness run, mapped by a test-based | 
|  | # key that can be used to order them. | 
|  | self.segments = dict() | 
|  | # Segments of text that make up the harness run but which have | 
|  | # no recognized test results.  These are typically harnesses that | 
|  | # are completely skipped for the target. | 
|  | self.empty = [] | 
|  | # A list of results.  Each entry is a pair in which the first element | 
|  | # is a unique sorting key and in which the second is the full | 
|  | # PASS/FAIL line. | 
|  | self.results = [] | 
|  |  | 
|  | # Add a segment of text to the harness run.  If the segment includes | 
|  | # test results, KEY is an example of one of them, and can be used to | 
|  | # combine the individual segments in order.  If the segment has no | 
|  | # test results (e.g. because the harness doesn't do anything for the | 
|  | # current configuration) then KEY is None instead.  In that case | 
|  | # just collect the segments in the order that we see them. | 
|  | def add_segment (self, key, segment): | 
|  | if key: | 
|  | assert key not in self.segments | 
|  | self.segments[key] = segment | 
|  | else: | 
|  | self.empty.append (segment) | 
|  |  | 
|  | class Segment: | 
|  | def __init__ (self, filename, start): | 
|  | self.filename = filename | 
|  | self.start = start | 
|  | self.lines = 0 | 
|  |  | 
|  | class Prog: | 
|  | def __init__ (self): | 
|  | # The variations specified on the command line. | 
|  | self.variations = [] | 
|  | # The variations seen in the input files. | 
|  | self.known_variations = set() | 
|  | # The tools specified on the command line. | 
|  | self.tools = [] | 
|  | # Whether to create .sum rather than .log output. | 
|  | self.do_sum = True | 
|  | # Regexps used while parsing. | 
|  | self.test_run_re = re.compile (r'^Test Run By (\S+) on (.*)$') | 
|  | self.tool_re = re.compile (r'^\t\t=== (.*) tests ===$') | 
|  | self.result_re = re.compile (r'^(PASS|XPASS|FAIL|XFAIL|UNRESOLVED' | 
|  | r'|WARNING|ERROR|UNSUPPORTED|UNTESTED' | 
|  | r'|KFAIL|KPASS|PATH|DUPLICATE):\s*(.+)') | 
|  | self.completed_re = re.compile (r'.* completed at (.*)') | 
|  | # Pieces of text to write at the head of the output. | 
|  | # start_line is a pair in which the first element is a datetime | 
|  | # and in which the second is the associated 'Test Run By' line. | 
|  | self.start_line = None | 
|  | self.native_line = '' | 
|  | self.target_line = '' | 
|  | self.host_line = '' | 
|  | self.acats_premable = '' | 
|  | # Pieces of text to write at the end of the output. | 
|  | # end_line is like start_line but for the 'runtest completed' line. | 
|  | self.acats_failures = [] | 
|  | self.version_output = '' | 
|  | self.end_line = None | 
|  | # Known summary types. | 
|  | self.count_names = [ | 
|  | '# of DejaGnu errors\t\t', | 
|  | '# of expected passes\t\t', | 
|  | '# of unexpected failures\t', | 
|  | '# of unexpected successes\t', | 
|  | '# of expected failures\t\t', | 
|  | '# of unknown successes\t\t', | 
|  | '# of known failures\t\t', | 
|  | '# of untested testcases\t\t', | 
|  | '# of unresolved testcases\t', | 
|  | '# of unsupported tests\t\t', | 
|  | '# of paths in test names\t', | 
|  | '# of duplicate test names\t' | 
|  | ] | 
|  | self.runs = dict() | 
|  |  | 
|  | def usage (self): | 
|  | name = sys.argv[0] | 
|  | sys.stderr.write ('Usage: ' + name | 
|  | + ''' [-t tool] [-l variant-list] [-L] log-or-sum-file ... | 
|  |  | 
|  | tool           The tool (e.g. g++, libffi) for which to create a | 
|  | new test summary file.  If not specified then output | 
|  | is created for all tools. | 
|  | variant-list   One or more test variant names.  If the list is | 
|  | not specified then one is constructed from all | 
|  | variants in the files for <tool>. | 
|  | sum-file       A test summary file with the format of those | 
|  | created by runtest from DejaGnu. | 
|  | If -L is used, merge *.log files instead of *.sum.  In this | 
|  | mode the exact order of lines may not be preserved, just different | 
|  | Running *.exp chunks should be in correct order. | 
|  | ''') | 
|  | sys.exit (1) | 
|  |  | 
|  | def fatal (self, what, string): | 
|  | if not what: | 
|  | what = sys.argv[0] | 
|  | sys.stderr.write (what + ': ' + string + '\n') | 
|  | sys.exit (1) | 
|  |  | 
|  | # Parse the command-line arguments. | 
|  | def parse_cmdline (self): | 
|  | try: | 
|  | (options, self.files) = getopt.getopt (sys.argv[1:], 'l:t:L') | 
|  | if len (self.files) == 0: | 
|  | self.usage() | 
|  | for (option, value) in options: | 
|  | if option == '-l': | 
|  | self.variations.append (value) | 
|  | elif option == '-t': | 
|  | self.tools.append (value) | 
|  | else: | 
|  | self.do_sum = False | 
|  | except getopt.GetoptError as e: | 
|  | self.fatal (None, e.msg) | 
|  |  | 
|  | # Try to parse time string TIME, returning an arbitrary time on failure. | 
|  | # Getting this right is just a nice-to-have so failures should be silent. | 
|  | def parse_time (self, time): | 
|  | try: | 
|  | return datetime.strptime (time, '%c') | 
|  | except ValueError: | 
|  | return datetime.now() | 
|  |  | 
|  | # Parse an integer and abort on failure. | 
|  | def parse_int (self, filename, value): | 
|  | try: | 
|  | return int (value) | 
|  | except ValueError: | 
|  | self.fatal (filename, 'expected an integer, got: ' + value) | 
|  |  | 
|  | # Return a list that represents no test results. | 
|  | def zero_counts (self): | 
|  | return [0 for x in self.count_names] | 
|  |  | 
|  | # Return the ToolRun for tool NAME. | 
|  | def get_tool (self, name): | 
|  | if name not in self.runs: | 
|  | self.runs[name] = ToolRun (name) | 
|  | return self.runs[name] | 
|  |  | 
|  | # Add the result counts in list FROMC to TOC. | 
|  | def accumulate_counts (self, toc, fromc): | 
|  | for i in range (len (self.count_names)): | 
|  | toc[i] += fromc[i] | 
|  |  | 
|  | # Parse the list of variations after 'Schedule of variations:'. | 
|  | # Return the number seen. | 
|  | def parse_variations (self, filename, file): | 
|  | num_variations = 0 | 
|  | while True: | 
|  | line = file.readline() | 
|  | if line == '': | 
|  | self.fatal (filename, 'could not parse variation list') | 
|  | if line == '\n': | 
|  | break | 
|  | self.known_variations.add (line.strip()) | 
|  | num_variations += 1 | 
|  | return num_variations | 
|  |  | 
|  | # Parse from the first line after 'Running target ...' to the end | 
|  | # of the run's summary. | 
|  | def parse_run (self, filename, file, tool, variation, num_variations): | 
|  | header = None | 
|  | harness = None | 
|  | segment = None | 
|  | final_using = 0 | 
|  | has_warning = 0 | 
|  |  | 
|  | # If this is the first run for this variation, add any text before | 
|  | # the first harness to the header. | 
|  | if not variation.header: | 
|  | segment = Segment (filename, file.tell()) | 
|  | variation.header = segment | 
|  |  | 
|  | # Parse the rest of the summary (the '# of ' lines). | 
|  | if len (variation.counts) == 0: | 
|  | variation.counts = self.zero_counts() | 
|  |  | 
|  | # Parse up until the first line of the summary. | 
|  | if num_variations == 1: | 
|  | end = '\t\t=== ' + tool.name + ' Summary ===\n' | 
|  | else: | 
|  | end = ('\t\t=== ' + tool.name + ' Summary for ' | 
|  | + variation.name + ' ===\n') | 
|  | while True: | 
|  | line = file.readline() | 
|  | if line == '': | 
|  | self.fatal (filename, 'no recognised summary line') | 
|  | if line == end: | 
|  | break | 
|  |  | 
|  | # Look for the start of a new harness. | 
|  | if line.startswith ('Running ') and line.endswith (' ...\n'): | 
|  | # Close off the current harness segment, if any. | 
|  | if harness: | 
|  | segment.lines -= final_using | 
|  | harness.add_segment (first_key, segment) | 
|  | name = line[len ('Running '):-len(' ...\n')] | 
|  | harness = variation.get_harness (name) | 
|  | segment = Segment (filename, file.tell()) | 
|  | first_key = None | 
|  | final_using = 0 | 
|  | continue | 
|  |  | 
|  | # Record test results.  Associate the first test result with | 
|  | # the harness segment, so that if a run for a particular harness | 
|  | # has been split up, we can reassemble the individual segments | 
|  | # in a sensible order. | 
|  | # | 
|  | # dejagnu sometimes issues warnings about the testing environment | 
|  | # before running any tests.  Treat them as part of the header | 
|  | # rather than as a test result. | 
|  | match = self.result_re.match (line) | 
|  | if match and (harness or not line.startswith ('WARNING:')): | 
|  | if not harness: | 
|  | self.fatal (filename, 'saw test result before harness name') | 
|  | name = match.group (2) | 
|  | # Ugly hack to get the right order for gfortran. | 
|  | if name.startswith ('gfortran.dg/g77/'): | 
|  | name = 'h' + name | 
|  | # If we have a time out warning, make sure it appears | 
|  | # before the following testcase diagnostic: we insert | 
|  | # the testname before 'program' so that sort faces a | 
|  | # list of testnames. | 
|  | if line.startswith ('WARNING: program timed out'): | 
|  | has_warning = 1 | 
|  | else: | 
|  | if has_warning == 1: | 
|  | key = (name, len (harness.results)) | 
|  | myline = 'WARNING: %s program timed out.\n' % name | 
|  | harness.results.append ((key, myline)) | 
|  | has_warning = 0 | 
|  | key = (name, len (harness.results)) | 
|  | harness.results.append ((key, line)) | 
|  | if not first_key and sort_logs: | 
|  | first_key = key | 
|  | if line.startswith ('ERROR: (DejaGnu)'): | 
|  | for i in range (len (self.count_names)): | 
|  | if 'DejaGnu errors' in self.count_names[i]: | 
|  | variation.counts[i] += 1 | 
|  | break | 
|  |  | 
|  | # 'Using ...' lines are only interesting in a header.  Splitting | 
|  | # the test up into parallel runs leads to more 'Using ...' lines | 
|  | # than there would be in a single log. | 
|  | if line.startswith ('Using '): | 
|  | final_using += 1 | 
|  | else: | 
|  | final_using = 0 | 
|  |  | 
|  | # Add other text to the current segment, if any. | 
|  | if segment: | 
|  | segment.lines += 1 | 
|  |  | 
|  | # Close off the final harness segment, if any. | 
|  | if harness: | 
|  | segment.lines -= final_using | 
|  | harness.add_segment (first_key, segment) | 
|  |  | 
|  | while True: | 
|  | before = file.tell() | 
|  | line = file.readline() | 
|  | if line == '': | 
|  | break | 
|  | if line == '\n': | 
|  | continue | 
|  | if not line.startswith ('# '): | 
|  | file.seek (before) | 
|  | break | 
|  | found = False | 
|  | for i in range (len (self.count_names)): | 
|  | if line.startswith (self.count_names[i]): | 
|  | count = line[len (self.count_names[i]):-1].strip() | 
|  | variation.counts[i] += self.parse_int (filename, count) | 
|  | found = True | 
|  | break | 
|  | if not found: | 
|  | self.fatal (filename, 'unknown test result: ' + line[:-1]) | 
|  |  | 
|  | # Parse an acats run, which uses a different format from dejagnu. | 
|  | # We have just skipped over '=== acats configuration ==='. | 
|  | def parse_acats_run (self, filename, file): | 
|  | # Parse the preamble, which describes the configuration and logs | 
|  | # the creation of support files. | 
|  | record = (self.acats_premable == '') | 
|  | if record: | 
|  | self.acats_premable = '\t\t=== acats configuration ===\n' | 
|  | while True: | 
|  | line = file.readline() | 
|  | if line == '': | 
|  | self.fatal (filename, 'could not parse acats preamble') | 
|  | if line == '\t\t=== acats tests ===\n': | 
|  | break | 
|  | if record: | 
|  | self.acats_premable += line | 
|  |  | 
|  | # Parse the test results themselves, using a dummy variation name. | 
|  | tool = self.get_tool ('acats') | 
|  | variation = tool.get_variation ('none') | 
|  | self.parse_run (filename, file, tool, variation, 1) | 
|  |  | 
|  | # Parse the failure list. | 
|  | while True: | 
|  | before = file.tell() | 
|  | line = file.readline() | 
|  | if line.startswith ('*** FAILURES: '): | 
|  | self.acats_failures.append (line[len ('*** FAILURES: '):-1]) | 
|  | continue | 
|  | file.seek (before) | 
|  | break | 
|  |  | 
|  | # Parse the final summary at the end of a log in order to capture | 
|  | # the version output that follows it. | 
|  | def parse_final_summary (self, filename, file): | 
|  | record = (self.version_output == '') | 
|  | while True: | 
|  | line = file.readline() | 
|  | if line == '': | 
|  | break | 
|  | if line.startswith ('# of '): | 
|  | continue | 
|  | if record: | 
|  | self.version_output += line | 
|  | if line == '\n': | 
|  | break | 
|  |  | 
|  | # Parse a .log or .sum file. | 
|  | def parse_file (self, filename, file): | 
|  | tool = None | 
|  | target = None | 
|  | num_variations = 1 | 
|  | while True: | 
|  | line = file.readline() | 
|  | if line == '': | 
|  | return | 
|  |  | 
|  | # Parse the list of variations, which comes before the test | 
|  | # runs themselves. | 
|  | if line.startswith ('Schedule of variations:'): | 
|  | num_variations = self.parse_variations (filename, file) | 
|  | continue | 
|  |  | 
|  | # Parse a testsuite run for one tool/variation combination. | 
|  | if line.startswith ('Running target '): | 
|  | name = line[len ('Running target '):-1] | 
|  | if not tool: | 
|  | self.fatal (filename, 'could not parse tool name') | 
|  | if name not in self.known_variations: | 
|  | self.fatal (filename, 'unknown target: ' + name) | 
|  | self.parse_run (filename, file, tool, | 
|  | tool.get_variation (name), | 
|  | num_variations) | 
|  | # If there is only one variation then there is no separate | 
|  | # summary for it.  Record any following version output. | 
|  | if num_variations == 1: | 
|  | self.parse_final_summary (filename, file) | 
|  | continue | 
|  |  | 
|  | # Parse the start line.  In the case where several files are being | 
|  | # parsed, pick the one with the earliest time. | 
|  | match = self.test_run_re.match (line) | 
|  | if match: | 
|  | time = self.parse_time (match.group (2)) | 
|  | if not self.start_line or self.start_line[0] > time: | 
|  | self.start_line = (time, line) | 
|  | continue | 
|  |  | 
|  | # Parse the form used for native testing. | 
|  | if line.startswith ('Native configuration is '): | 
|  | self.native_line = line | 
|  | continue | 
|  |  | 
|  | # Parse the target triplet. | 
|  | if line.startswith ('Target is '): | 
|  | self.target_line = line | 
|  | continue | 
|  |  | 
|  | # Parse the host triplet. | 
|  | if line.startswith ('Host   is '): | 
|  | self.host_line = line | 
|  | continue | 
|  |  | 
|  | # Parse the acats premable. | 
|  | if line == '\t\t=== acats configuration ===\n': | 
|  | self.parse_acats_run (filename, file) | 
|  | continue | 
|  |  | 
|  | # Parse the tool name. | 
|  | match = self.tool_re.match (line) | 
|  | if match: | 
|  | tool = self.get_tool (match.group (1)) | 
|  | continue | 
|  |  | 
|  | # Skip over the final summary (which we instead create from | 
|  | # individual runs) and parse the version output. | 
|  | if tool and line == '\t\t=== ' + tool.name + ' Summary ===\n': | 
|  | if file.readline() != '\n': | 
|  | self.fatal (filename, 'expected blank line after summary') | 
|  | self.parse_final_summary (filename, file) | 
|  | continue | 
|  |  | 
|  | # Parse the completion line.  In the case where several files | 
|  | # are being parsed, pick the one with the latest time. | 
|  | match = self.completed_re.match (line) | 
|  | if match: | 
|  | time = self.parse_time (match.group (1)) | 
|  | if not self.end_line or self.end_line[0] < time: | 
|  | self.end_line = (time, line) | 
|  | continue | 
|  |  | 
|  | # Sanity check to make sure that important text doesn't get | 
|  | # dropped accidentally. | 
|  | if strict and line.strip() != '': | 
|  | self.fatal (filename, 'unrecognised line: ' + line[:-1]) | 
|  |  | 
|  | # Output a segment of text. | 
|  | def output_segment (self, segment): | 
|  | with safe_open (segment.filename) as file: | 
|  | file.seek (segment.start) | 
|  | for i in range (segment.lines): | 
|  | sys.stdout.write (file.readline()) | 
|  |  | 
|  | # Output a summary giving the number of times each type of result has | 
|  | # been seen. | 
|  | def output_summary (self, tool, counts): | 
|  | for i in range (len (self.count_names)): | 
|  | name = self.count_names[i] | 
|  | # dejagnu only prints result types that were seen at least once, | 
|  | # but acats always prints a number of unexpected failures. | 
|  | if (counts[i] > 0 | 
|  | or (tool.name == 'acats' | 
|  | and name.startswith ('# of unexpected failures'))): | 
|  | sys.stdout.write ('%s%d\n' % (name, counts[i])) | 
|  |  | 
|  | # Output unified .log or .sum information for a particular variation, | 
|  | # with a summary at the end. | 
|  | def output_variation (self, tool, variation): | 
|  | self.output_segment (variation.header) | 
|  | for harness in sorted (variation.harnesses.values(), | 
|  | key = attrgetter ('name')): | 
|  | sys.stdout.write ('Running ' + harness.name + ' ...\n') | 
|  | if self.do_sum: | 
|  | harness.results.sort() | 
|  | for (key, line) in harness.results: | 
|  | sys.stdout.write (line) | 
|  | else: | 
|  | # Rearrange the log segments into test order (but without | 
|  | # rearranging text within those segments). | 
|  | for key in sorted (harness.segments.keys()): | 
|  | self.output_segment (harness.segments[key]) | 
|  | for segment in harness.empty: | 
|  | self.output_segment (segment) | 
|  | if len (self.variations) > 1: | 
|  | sys.stdout.write ('\t\t=== ' + tool.name + ' Summary for ' | 
|  | + variation.name + ' ===\n\n') | 
|  | self.output_summary (tool, variation.counts) | 
|  |  | 
|  | # Output unified .log or .sum information for a particular tool, | 
|  | # with a summary at the end. | 
|  | def output_tool (self, tool): | 
|  | counts = self.zero_counts() | 
|  | if tool.name == 'acats': | 
|  | # acats doesn't use variations, so just output everything. | 
|  | # It also has a different approach to whitespace. | 
|  | sys.stdout.write ('\t\t=== ' + tool.name + ' tests ===\n') | 
|  | for variation in tool.variations.values(): | 
|  | self.output_variation (tool, variation) | 
|  | self.accumulate_counts (counts, variation.counts) | 
|  | sys.stdout.write ('\t\t=== ' + tool.name + ' Summary ===\n') | 
|  | else: | 
|  | # Output the results in the usual dejagnu runtest format. | 
|  | sys.stdout.write ('\n\t\t=== ' + tool.name + ' tests ===\n\n' | 
|  | 'Schedule of variations:\n') | 
|  | for name in self.variations: | 
|  | if name in tool.variations: | 
|  | sys.stdout.write ('    ' + name + '\n') | 
|  | sys.stdout.write ('\n') | 
|  | for name in self.variations: | 
|  | if name in tool.variations: | 
|  | variation = tool.variations[name] | 
|  | sys.stdout.write ('Running target ' | 
|  | + variation.name + '\n') | 
|  | self.output_variation (tool, variation) | 
|  | self.accumulate_counts (counts, variation.counts) | 
|  | sys.stdout.write ('\n\t\t=== ' + tool.name + ' Summary ===\n\n') | 
|  | self.output_summary (tool, counts) | 
|  |  | 
|  | def main (self): | 
|  | self.parse_cmdline() | 
|  | try: | 
|  | # Parse the input files. | 
|  | for filename in self.files: | 
|  | with safe_open (filename) as file: | 
|  | self.parse_file (filename, file) | 
|  |  | 
|  | # Decide what to output. | 
|  | if len (self.variations) == 0: | 
|  | self.variations = sorted (self.known_variations) | 
|  | else: | 
|  | for name in self.variations: | 
|  | if name not in self.known_variations: | 
|  | self.fatal (None, 'no results for ' + name) | 
|  | if len (self.tools) == 0: | 
|  | self.tools = sorted (self.runs.keys()) | 
|  |  | 
|  | # Output the header. | 
|  | if self.start_line: | 
|  | sys.stdout.write (self.start_line[1]) | 
|  | sys.stdout.write (self.native_line) | 
|  | sys.stdout.write (self.target_line) | 
|  | sys.stdout.write (self.host_line) | 
|  | sys.stdout.write (self.acats_premable) | 
|  |  | 
|  | # Output the main body. | 
|  | for name in self.tools: | 
|  | if name not in self.runs: | 
|  | self.fatal (None, 'no results for ' + name) | 
|  | self.output_tool (self.runs[name]) | 
|  |  | 
|  | # Output the footer. | 
|  | if len (self.acats_failures) > 0: | 
|  | sys.stdout.write ('*** FAILURES: ' | 
|  | + ' '.join (self.acats_failures) + '\n') | 
|  | sys.stdout.write (self.version_output) | 
|  | if self.end_line: | 
|  | sys.stdout.write (self.end_line[1]) | 
|  | except IOError as e: | 
|  | self.fatal (e.filename, e.strerror) | 
|  |  | 
|  | Prog().main() |