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-rw-r--r--nemesis/causal_event_loop.py5
-rw-r--r--nemesis/html_gen.py20
-rwxr-xr-xnemesis/nemesis.py118
-rw-r--r--nemesis/utils.py34
4 files changed, 65 insertions, 112 deletions
diff --git a/nemesis/causal_event_loop.py b/nemesis/causal_event_loop.py
index 9b774d0..f9cffb4 100644
--- a/nemesis/causal_event_loop.py
+++ b/nemesis/causal_event_loop.py
@@ -1,5 +1,7 @@
'''
-Copyright 2025 bdunahu
+Copyright:
+
+ Copyright © 2025 bdunahu <bdunahu@operationnull.com>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -14,7 +16,6 @@ Copyright 2025 bdunahu
limitations under the License.
Commentary:
-
Code:
'''
from typing import TYPE_CHECKING, Any, Callable, Self
diff --git a/nemesis/html_gen.py b/nemesis/html_gen.py
index 85d2cae..2a417fc 100644
--- a/nemesis/html_gen.py
+++ b/nemesis/html_gen.py
@@ -1,3 +1,23 @@
+'''
+Copyright:
+
+ Copyright © 2025 bdunahu <bdunahu@operationnull.com>
+
+ 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
+
+ http://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.
+
+Commentary:
+Code:
+'''
from typing import TYPE_CHECKING
if TYPE_CHECKING:
import collections
diff --git a/nemesis/nemesis.py b/nemesis/nemesis.py
index 9d4014c..812cd2d 100755
--- a/nemesis/nemesis.py
+++ b/nemesis/nemesis.py
@@ -1,13 +1,7 @@
-#!/usr/bin/env python3
'''
- _/ _/ _/
- _/_/ _/ _/_/ _/_/_/ _/_/ _/_/ _/_/_/ _/_/_/
- _/ _/ _/ _/_/_/_/ _/ _/ _/ _/_/_/_/ _/_/ _/ _/_/
- _/ _/_/ _/ _/ _/ _/ _/ _/_/ _/ _/_/
- _/ _/ _/_/_/ _/ _/ _/ _/_/_/ _/_/_/ _/ _/_/_/
+Copyright:
-
-Copyright 2025 bdunahu
+ Copyright © 2025 bdunahu <bdunahu@operationnull.com>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -24,22 +18,20 @@ Copyright 2025 bdunahu
Commentary:
Code:
'''
-from typing import Any, Self
-from causal_event_loop import CausalEventLoop
+from nemesis.causal_event_loop import CausalEventLoop
from collections import defaultdict
-from html_gen import plot_results
-import argparse
+from nemesis.html_gen import plot_results
+from pathlib import Path
+from typing import Any, Self
import asyncio
-import os
import inspect
+import os
import random
import signal
import sys
import threading
import time
-import traceback
import types
-from pathlib import Path
CO_COROUTINE = inspect.CO_COROUTINE
@@ -114,21 +106,6 @@ class Nemesis(object):
Nemesis.signal_interval)
@staticmethod
- def print_results():
- for coro_name, x_values in Nemesis.results.items():
- print(f'Results for {coro_name:}')
- for speedup, experiments in x_values.items():
- print(f' {speedup * 100}% speedup:')
- for experiment in experiments:
- num_callbacks = len(experiment)
- if num_callbacks > 0:
- total_wait = sum([cb[1] for cb in experiment])
- latency = total_wait / num_callbacks
- print(f' latency: {latency}')
- print(f' callbacks processed: {num_callbacks}')
- print(f'')
-
- @staticmethod
def stop() -> None:
signal.setitimer(signal.ITIMER_REAL, 0)
plot_results(Nemesis.results, Nemesis.filename, Nemesis.prog)
@@ -144,7 +121,7 @@ class Nemesis(object):
loops = Nemesis._get_event_loops()
for loop in loops:
if not isinstance(loop, CausalEventLoop):
- raise RuntimeError(f"Nemesis requires a custom event loop to insert slowdowns. You must start the event loop with `asyncio.run(your_coro(), loop_factory=causal_loop_factory)'.")
+ raise RuntimeError(f"Nemesis requires a custom event loop to insert slowdowns. You must start the event loop with `asyncio.run(your_coro(), loop_factory=causal_loop_factory)'. Received: {type(loop)}")
loop.set_speedup(speedup)
Nemesis.experiment_data = Experiment(loops)
@@ -313,82 +290,3 @@ class Nemesis(object):
# Stop masking Cython bugs, expose them in a friendly way.
coro_name = f'<{type(coro).__name__} without __name__>'
return f'{coro_name}()'
-
-the_globals = {
- '__name__': '__main__',
- '__doc__': None,
- '__package__': None,
- '__loader__': globals()['__loader__'],
- '__spec__': None,
- '__annotations__': {},
- '__builtins__': globals()['__builtins__'],
- '__file__': None,
- '__cached__': None,
-}
-
-def validate_dir(path_str: str) -> Path:
- p = Path(path_str).expanduser().resolve()
- if not p.exists():
- raise ValueError(f"Profile path does not exist: {p}")
- if not p.is_dir():
- raise ValueError(f"Can't profile a non-dir: {p}")
- return p
-
-def validate_html(filename: str) -> str:
- if not filename.lower().endswith('.html'):
- raise argparse.ArgumentTypeError(f"Did not name an HTML file: '{filename}'")
- return filename
-
-if __name__ == "__main__":
- # parses CLI arguments and facilitates profiler runtime.
- parser = argparse.ArgumentParser(
- usage='%(prog)s [args] -- prog'
- )
-
- parser.add_argument('-i', '--interval',
- help='The minimum amount of time inbetween \
- samples in seconds.',
- metavar='',
- type=float,
- default=0.01)
- parser.add_argument('-e', '--experiment-duration',
- help='The performance experiment duration. Defaults to 3 seconds.',
- metavar='',
- type=float,
- default=3)
- parser.add_argument('-f', '--filename',
- help='The filename to write results to. Must name an HTML file.',
- metavar='',
- type=validate_html,
- default="results.html")
- parser.add_argument('--include-paths',
- help='Specify the path(s) containing files to profile. If a file is in this path, it is a candidate for optimization.',
- nargs="+",
- type=validate_dir,
- required=True)
- parser.add_argument('--exclude-paths',
- help='Specify the path(s) containing files to exclude profile. Takes priority over --include-paths.',
- nargs="*",
- type=validate_dir,
- required=False,
- default=[])
- parser.add_argument('prog',
- type=str,
- nargs='*',
- help='Path to the python script and its arguments.')
- args = parser.parse_args()
-
- sys.argv = args.prog
- try:
- with open(args.prog[0], 'r', encoding='utf-8') as fp:
- code = compile(fp.read(), args.prog[0], "exec")
- Nemesis(args.experiment_duration,
- args.include_paths,
- args.exclude_paths,
- args.filename,
- args.prog[0],
- args.interval).start()
- exec(code, the_globals)
- Nemesis.stop()
- except Exception:
- traceback.print_exc()
diff --git a/nemesis/utils.py b/nemesis/utils.py
new file mode 100644
index 0000000..0cee784
--- /dev/null
+++ b/nemesis/utils.py
@@ -0,0 +1,34 @@
+'''
+Copyright:
+
+ Copyright © 2025 bdunahu <bdunahu@operationnull.com>
+
+ 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
+
+ http://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.
+
+Commentary:
+Code:
+'''
+from pathlib import Path
+
+def validate_dir(path_str: str) -> Path:
+ p = Path(path_str).expanduser().resolve()
+ if not p.exists():
+ raise ValueError(f"Profile path does not exist: {p}")
+ if not p.is_dir():
+ raise ValueError(f"Can't profile a non-dir: {p}")
+ return p
+
+def validate_html(filename: str) -> str:
+ if not filename.lower().endswith('.html'):
+ raise argparse.ArgumentTypeError(f"Did not name an HTML file: '{filename}'")
+ return filename