mmgen-wallet/scripts/traceback_run.py
2021-04-17 13:27:54 +00:00

61 lines
1.8 KiB
Python
Executable file

#!/usr/bin/env python3
# Import as few modules and define as few names as possible at global level before exec'ing the
# file, as all names will be seen by the exec'ed file. To prevent name collisions, all names
# defined here should begin with 'traceback_run_'
import sys,os,time
def traceback_run_init():
import os
sys.path[0] = 'test' if os.path.dirname(sys.argv[1]) == 'test' else '.'
if 'TMUX' in os.environ: del os.environ['TMUX']
os.environ['MMGEN_TRACEBACK'] = '1'
os.environ['PYTHONPATH'] = '.'
of = 'my.err'
try: os.unlink(of)
except: pass
return of
def traceback_run_process_exception():
import traceback,re
lines = traceback.format_exception(*sys.exc_info()) # returns a list
pat = re.compile('File "<string>"')
repl = f'File "{traceback_run_execed_file}"'
lines = [pat.sub(repl,line,count=1) for line in lines]
exc = lines.pop()
if exc.startswith('SystemExit:'):
lines.pop()
if False: # was: if os.getenv('MMGEN_DISABLE_COLOR'):
sys.stdout.write('{}{}'.format(''.join(lines),exc))
else:
yellow = lambda s: f'\033[33;1m{s}\033[0m'
red = lambda s: f'\033[31;1m{s}\033[0m'
sys.stdout.write('{}{}'.format(yellow(''.join(lines)),red(exc)))
open(traceback_run_outfile,'w').write(''.join(lines+[exc]))
traceback_run_outfile = traceback_run_init()
traceback_run_tstart = time.time()
try:
sys.argv.pop(0)
traceback_run_execed_file = sys.argv[0]
exec(open(sys.argv[0]).read())
except SystemExit as e:
if e.code != 0:
traceback_run_process_exception()
sys.exit(e.code)
except Exception as e:
traceback_run_process_exception()
retval = e.mmcode if hasattr(e,'mmcode') else e.code if hasattr(e,'code') else 1
sys.exit(retval)
blue = lambda s: s if os.getenv('MMGEN_DISABLE_COLOR') else '\033[34;1m{}\033[0m'.format(s)
sys.stderr.write(blue('Runtime: {:0.5f} secs\n'.format(time.time() - traceback_run_tstart)))