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# pylint: disable=invalid-name
"""
The tool to check the availability or syntax of domain, IP or URL.
::
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██╔═══╝ ╚██╔╝ ██╔══╝ ██║ ██║██║╚██╗██║██║ ██╔══╝ ██╔══██╗██║ ██╔══╝
██║ ██║ ██║ ╚██████╔╝██║ ╚████║╚██████╗███████╗██████╔╝███████╗███████╗
╚═╝ ╚═╝ ╚═╝ ╚═════╝ ╚═╝ ╚═══╝ ╚═════╝╚══════╝╚═════╝ ╚══════╝╚══════╝
Provides some global utilities.
Author:
Nissar Chababy, @funilrys, contactTATAfunilrysTODTODcom
Special thanks:
https://pyfunceble.github.io/#/special-thanks
Contributors:
https://pyfunceble.github.io/#/contributors
Project link:
https://github.com/funilrys/PyFunceble
Project documentation:
https://docs.pyfunceble.com
Project homepage:
https://pyfunceble.github.io/
License:
::
Copyright 2017, 2018, 2019, 2020, 2022, 2023, 2024 Nissar Chababy
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
import contextlib
import cProfile
import io
import linecache
import pstats
import tracemalloc
@contextlib.contextmanager
def profile_it(*, sort_stats: str = "cumulative", show_callers: bool = False):
"""
Provides a context manager which will activates the profiling of our
source code.
:param sort_starts:
The column to sort.
:param show_callers:
Authorizes the output of the callers.
"""
profiler = cProfile.Profile()
profiler.enable()
yield
profiler.disable()
our_stream = io.StringIO()
profiler_starts = pstats.Stats(profiler, stream=our_stream)
if sort_stats:
profiler_starts.sort_stats(sort_stats)
profiler_starts.print_stats()
if show_callers:
profiler_starts.print_callees()
print(our_stream.getvalue())
@contextlib.contextmanager
def profile_memory(stats_mode: str = "lineno", top_limit: int = 10):
"""
Provides a context manager which will activates memory profiling of our
source code.
"""
tracemalloc.start()
yield
snapshot = tracemalloc.take_snapshot()
snapshot = snapshot.filter_traces(
(
tracemalloc.Filter(False, "<frozen importlib._bootstrap>"),
tracemalloc.Filter(False, "<unknown>"),
tracemalloc.Filter(False, "<frozen importlib._bootstrap_external>"),
)
)
top_stats = snapshot.statistics(stats_mode)
print("Top %s lines" % top_limit)
for index, stat in enumerate(top_stats[:top_limit], 1):
frame = stat.traceback[0]
print(
"#%s: %s:%s: %.1f KiB"
% (index, frame.filename, frame.lineno, stat.size / 1024)
)
line = linecache.getline(frame.filename, frame.lineno).strip()
if line:
print(" %s" % line)
other = top_stats[top_limit:]
if other:
size = sum(stat.size for stat in other)
print("%s other: %.1f KiB" % (len(other), size / 1024))
total = sum(stat.size for stat in top_stats)
print("Total allocated size: %.1f KiB" % (total / 1024))
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