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build_combinations_errors.py
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build_combinations_errors.py
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from pathlib import Path
import re
import argparse
import os
from multiprocessing import Pool
# used for regex sub in order to compare lines without numbers that would
# otherwise make lines seem distinct
removal_str = "[1234567890 \t]"
# this is used to cut down on false positive error lines
error_str_blacklist = [
"0 Error(s)",
"pdFAIL",
"/* data verify failed */"
]
def parse_errors_from_log(log_file_path):
unique_error_lines = []
unique_error_lines_with_removal = []
error_str_with_removal: str = ""
error_str_full: str = ""
found_error_line = False
with open(log_file_path, 'r') as log_file:
for line in log_file:
if not found_error_line:
if re.search(r"\b" + "error" + r"\b" + "|fail", re.sub("[.]", "", line.lower())) and not any((str in line) for str in error_str_blacklist):
found_error_line = True
if re.sub(removal_str, '', line) not in unique_error_lines_with_removal:
unique_error_lines_with_removal.append(re.sub(removal_str, '', line))
unique_error_lines.append(line)
error_str_with_removal = error_str_with_removal + re.sub(removal_str, '', line)
error_str_full = error_str_full + line
else:
if re.search(r"\b" + "error" + r"\b" + "|fail", re.sub("[.]", "", line.lower())) and not any((str in line) for str in error_str_blacklist):
if re.sub(removal_str, '', line) not in unique_error_lines_with_removal:
unique_error_lines_with_removal.append(re.sub(removal_str, '', line))
unique_error_lines.append(line)
error_str_with_removal = error_str_with_removal + re.sub(removal_str, '', line)
error_str_full = error_str_full + line
return error_str_with_removal, error_str_full, unique_error_lines
def parse_errors_for_board(board_directory, board_name_str, output_path="error_summaries"):
unique_error_lines_board_dict = {}
unique_error_logs_dict = {}
error_log_files = Path(board_directory).iterdir()
log_count = 0
logs_with_error_count = 0
for error_log in error_log_files:
log_count += 1
error_str_with_removals, error_str_full, unique_error_lines_log = parse_errors_from_log(error_log)
if error_str_with_removals == "":
continue
logs_with_error_count += 1
for unique_error_line in unique_error_lines_log:
if re.sub(removal_str, '', unique_error_line) not in unique_error_lines_board_dict.keys():
unique_error_lines_board_dict[re.sub(removal_str, '', unique_error_line)] = [unique_error_line, 1]
else:
unique_error_lines_board_dict[re.sub(removal_str, '', unique_error_line)][1] += 1
if error_str_with_removals in unique_error_logs_dict.keys():
unique_error_logs_dict[error_str_with_removals][2] += 1
else:
unique_error_logs_dict[error_str_with_removals] = [error_log.name, error_str_full, 1]
# sort unique error lines by occurrence
unique_error_lines_board_dict = {k: v for k, v in sorted(unique_error_lines_board_dict.items(), key=lambda item: item[1][1], reverse=True)}
print(f'--------------------------------------------')
print(f'Board Name: {board_name_str}')
print(f'Number of logs: {log_count}')
print(f'Number of error logs: {logs_with_error_count}')
print(f"Number of unique error logs: {len(unique_error_logs_dict.keys())}")
print(f"Number of unique error lines in logs: {len(unique_error_lines_board_dict)}")
print(f'--------------------------------------------')
if len(unique_error_logs_dict.keys()) != 0:
output_path = Path(output_path, f"{board_name_str}_error_summary.txt")
os.makedirs(os.path.dirname(output_path), exist_ok=True)
with open(output_path, 'w') as error_summary_file:
error_summary_file.write(f'********************************************\n')
error_summary_file.write(f'Summary for {board_name_str}\n')
error_summary_file.write(f'********************************************\n\n')
error_summary_file.write(f'Number of logs: {log_count}\n')
error_summary_file.write(f'Number of error logs: {logs_with_error_count}\n')
error_summary_file.write(f"Number of unique error lines in logs: {len(unique_error_lines_board_dict)}\n")
error_summary_file.write(f"Number of unique error logs: {len(unique_error_logs_dict.keys())}\n\n")
error_summary_file.write(f'********************************************\n')
error_summary_file.write(f'Unique error lines across all logs ({len(unique_error_lines_board_dict)}). Sorted by number of occurrences.\n')
error_summary_file.write(f'********************************************\n')
error_num = 1
for unique_error_line in unique_error_lines_board_dict.values():
error_summary_file.write(f"{error_num}. Occurrences: {unique_error_line[1]} Line: {unique_error_line[0]}")
error_num += 1
error_summary_file.write(f'\n')
error_summary_file.write(f'********************************************\n')
error_summary_file.write(f'Unique error logs ({len(unique_error_logs_dict.keys())})\n')
error_summary_file.write(f'********************************************\n')
error_num = 1
for value in unique_error_logs_dict.values():
error_summary_file.write(f'--------------------------------------------\n')
error_summary_file.write(f'Start of unique error log #{error_num}\n')
error_summary_file.write(f"Log file: {value[0]}\n")
error_summary_file.write(f"Number of logs like this one: {value[2]}\n")
error_summary_file.write(f"Error excerpt:\n\n")
error_summary_file.write(value[1])
error_summary_file.write(f'End of unique error log #{error_num}\n')
error_summary_file.write(f'--------------------------------------------\n')
error_num += 1
def parse_build_combinations_errors(build_combinations_path, num_processes):
vendor_dirs = Path(build_combinations_path).iterdir()
board_tups = []
for vendor_dir in vendor_dirs:
board_tups += [(board_dir, board_dir.name) for board_dir in vendor_dir.iterdir()]
pool = Pool(num_processes)
pool.starmap(parse_errors_for_board, board_tups)
def main():
parser = argparse.ArgumentParser(description='Build_Combinations error parser.')
parser.add_argument('build_combinations_path',
type=str,
help='Path to Build_Combinations.')
parser.add_argument('--output_path',
type=str,
required=False,
help='Path to directory where error files are written. By default they get written to \"error_summaries\"')
parser.add_argument('-n',
'--num_processes',
type=int,
default=4,
required=False,
help='Number of processes to run in parallel')
args = parser.parse_args()
parse_build_combinations_errors(args.build_combinations_path, args.num_processes)
if __name__ == "__main__":
main()