args = config.add_commandline_args(
f'Bootstrap ({__file__})',
- 'Args related to python program bootstrapper and Swiss army knife')
+ 'Args related to python program bootstrapper and Swiss army knife',
+)
args.add_argument(
'--debug_unhandled_exceptions',
action=ActionNoYes,
default=False,
- help='Break into pdb on top level unhandled exceptions.'
+ help='Break into pdb on top level unhandled exceptions.',
)
args.add_argument(
'--show_random_seed',
action=ActionNoYes,
default=False,
- help='Should we display (and log.debug) the global random seed?'
+ help='Should we display (and log.debug) the global random seed?',
)
args.add_argument(
'--set_random_seed',
nargs=1,
default=None,
metavar='SEED_INT',
- help='Override the global random seed with a particular number.'
+ help='Override the global random seed with a particular number.',
)
args.add_argument(
'--dump_all_objects',
action=ActionNoYes,
default=False,
- help='Should we dump the Python import tree before main?'
+ help='Should we dump the Python import tree before main?',
)
args.add_argument(
'--audit_import_events',
Top-level exception handler for exceptions that make it past any exception
handlers in the python code being run. Logs the error and stacktrace then
maybe attaches a debugger.
+
"""
global original_hook
msg = f'Unhandled top level exception {exc_type}'
sys.__excepthook__(exc_type, exc_value, exc_tb)
return
else:
- if (
- not sys.stderr.isatty() or
- not sys.stdin.isatty()
- ):
+ if not sys.stderr.isatty() or not sys.stdin.isatty():
# stdin or stderr is redirected, just do the normal thing
original_hook(exc_type, exc_value, exc_tb)
else:
# a terminal is attached and stderr is not redirected, maybe debug.
import traceback
+
traceback.print_exception(exc_type, exc_value, exc_tb)
if config.config['debug_unhandled_exceptions']:
import pdb
+
logger.info("Invoking the debugger...")
pdb.pm()
else:
class ImportInterceptor(object):
def __init__(self):
import collect.trie
+
self.module_by_filename_cache = {}
self.repopulate_modules_by_filename()
self.tree = collect.trie.Trie()
loading_module = self.module_by_filename_cache[filename]
else:
self.repopulate_modules_by_filename()
- loading_module = self.module_by_filename_cache.get(filename, 'unknown')
+ loading_module = self.module_by_filename_cache.get(
+ filename, 'unknown'
+ )
path = self.tree_node_by_module.get(loading_module, [])
path.extend([loaded_module])
return []
-# TODO: test this with python 3.8+
-def audit_import_events(event, args):
- print(event)
- print(args)
+# # TODO: test this with python 3.8+
+# def audit_import_events(event, args):
+# if event == 'import':
+# module = args[0]
+# filename = args[1]
+# sys_path = args[2]
+# sys_meta_path = args[3]
+# sys_path_hooks = args[4]
+# logger.debug(msg)
+# print(msg)
# Audit import events? Note: this runs early in the lifetime of the
import_interceptor = None
for arg in sys.argv:
if arg == '--audit_import_events':
- if not hasattr(sys, 'frozen'):
- if (
- sys.version_info[0] == 3
- and sys.version_info[1] < 8
- ):
- import_interceptor = ImportInterceptor()
- sys.meta_path = [import_interceptor] + sys.meta_path
- else:
- sys.addaudithook(audit_import_events)
+ import_interceptor = ImportInterceptor()
+ sys.meta_path = [import_interceptor] + sys.meta_path
+ # if not hasattr(sys, 'frozen'):
+ # if (
+ # sys.version_info[0] == 3
+ # and sys.version_info[1] >= 8
+ # ):
+ # sys.addaudithook(audit_import_events)
def dump_all_objects() -> None:
seed, etc... before running main.
"""
+
@functools.wraps(entry_point)
def initialize_wrapper(*args, **kwargs):
# Hook top level unhandled exceptions, maybe invoke debugger.
# parse configuration (based on cmdline flags, environment vars
# etc...)
if (
- '__globals__' in entry_point.__dict__ and
- '__file__' in entry_point.__globals__
+ '__globals__' in entry_point.__dict__
+ and '__file__' in entry_point.__globals__
):
config.parse(entry_point.__globals__['__file__'])
else:
# Allow programs that don't bother to override the random seed
# to be replayed via the commandline.
import random
+
random_seed = config.config['set_random_seed']
if random_seed is not None:
random_seed = random_seed[0]
logger.debug(f'Starting {entry_point.__name__} (program entry point)')
ret = None
import stopwatch
+
with stopwatch.Timer() as t:
ret = entry_point(*args, **kwargs)
logger.debug(
walltime = t()
(utime, stime, cutime, cstime, elapsed_time) = os.times()
- logger.debug('\n'
- f'user: {utime}s\n'
- f'system: {stime}s\n'
- f'child user: {cutime}s\n'
- f'child system: {cstime}s\n'
- f'machine uptime: {elapsed_time}s\n'
- f'walltime: {walltime}s')
+ logger.debug(
+ '\n'
+ f'user: {utime}s\n'
+ f'system: {stime}s\n'
+ f'child user: {cutime}s\n'
+ f'child system: {cstime}s\n'
+ f'machine uptime: {elapsed_time}s\n'
+ f'walltime: {walltime}s'
+ )
# If it doesn't return cleanly, call attention to the return value.
if ret is not None and ret != 0:
else:
logger.debug(f'Exit {ret}')
sys.exit(ret)
+
return initialize_wrapper
projects / python_utils.git / blobdiff