70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
|
import cProfile
|
||
|
|
import io
|
||
|
|
import logging
|
||
|
|
import os
|
||
|
|
import pstats
|
||
|
|
import re
|
||
|
|
from collections.abc import Callable
|
||
|
|
from typing import Any
|
||
|
|
|
||
|
|
# Ensure you have a logger set up for logging exceptions
|
||
|
|
log = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
|
||
|
|
def trim_path_to_three_levels(path: str) -> str:
|
||
|
|
parts = path.split(os.path.sep)
|
||
|
|
if len(parts) > 4:
|
||
|
|
return os.path.sep.join(parts[-4:])
|
||
|
|
else:
|
||
|
|
return path
|
||
|
|
|
||
|
|
|
||
|
|
def profile(func: Callable) -> Callable:
|
||
|
|
"""
|
||
|
|
A decorator that profiles the decorated function, printing out the profiling
|
||
|
|
results with paths trimmed to three directories deep.
|
||
|
|
"""
|
||
|
|
|
||
|
|
def wrapper(*args: Any, **kwargs: Any) -> Any:
|
||
|
|
pr = cProfile.Profile()
|
||
|
|
res: Any = None
|
||
|
|
try:
|
||
|
|
pr.enable()
|
||
|
|
res = func(*args, **kwargs)
|
||
|
|
pr.disable()
|
||
|
|
except Exception as ex:
|
||
|
|
log.exception(ex)
|
||
|
|
pr.disable()
|
||
|
|
return None
|
||
|
|
|
||
|
|
s = io.StringIO()
|
||
|
|
ps = pstats.Stats(pr, stream=s)
|
||
|
|
ps.sort_stats(pstats.SortKey.CUMULATIVE)
|
||
|
|
ps.print_stats(12)
|
||
|
|
|
||
|
|
# Process the output to trim file paths
|
||
|
|
output_lines = s.getvalue().split("\n")
|
||
|
|
for line in output_lines:
|
||
|
|
try:
|
||
|
|
parts = re.split(r"\s+", line)[
|
||
|
|
1:
|
||
|
|
] # Split on the first space to separate the time from the path
|
||
|
|
fqpath = parts[-1]
|
||
|
|
fpath, line_num = fqpath.split(":")
|
||
|
|
if os.path.sep in fpath: # Check if this looks like it includes a path
|
||
|
|
fpath = trim_path_to_three_levels(fpath)
|
||
|
|
prefix = f"{parts[0]:>7}"
|
||
|
|
prefix += f"{parts[1]:>9}"
|
||
|
|
prefix += f"{parts[2]:>9}"
|
||
|
|
prefix += f"{parts[3]:>9}"
|
||
|
|
prefix += f"{parts[4]:>9}"
|
||
|
|
new_line = f"{prefix:} {fpath}:{line_num}"
|
||
|
|
else:
|
||
|
|
new_line = line
|
||
|
|
except (ValueError, IndexError):
|
||
|
|
new_line = line # If there's no path, leave the line as is
|
||
|
|
print(new_line)
|
||
|
|
return res
|
||
|
|
|
||
|
|
return wrapper
|