piker/piker/_profile.py

47 lines
1.3 KiB
Python

# piker: trading gear for hackers
# Copyright (C) 2018-present Tyler Goodlet (in stewardship of piker0)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
Profiling wrappers for internal libs.
"""
import time
from functools import wraps
# NOTE: you can pass a flag to enable this:
# ``piker chart <args> --profile``.
_pg_profile: bool = False
ms_slower_then: float = 0
def pg_profile_enabled() -> bool:
global _pg_profile
return _pg_profile
def timeit(fn):
@wraps(fn)
def wrapper(*args, **kwargs):
t = time.time()
res = fn(*args, **kwargs)
print(
'%s.%s: %.4f sec'
% (fn.__module__, fn.__qualname__, time.time() - t)
)
return res
return wrapper