Created
June 7, 2018 16:18
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Open file tracker
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import io | |
import sys | |
import builtins | |
import traceback | |
from functools import wraps | |
def opener(old_open): | |
@wraps(old_open) | |
def tracking_open(*args, **kw): | |
file = old_open(*args, **kw) | |
old_close = file.close | |
@wraps(old_close) | |
def close(): | |
old_close() | |
open_files.remove(file) | |
file.close = close | |
file.stack = traceback.extract_stack() | |
open_files.add(file) | |
return file | |
return tracking_open | |
def print_open_files(): | |
print(f'### {len(open_files)} OPEN FILES: [{", ".join(f.name for f in open_files)}]', file=sys.stderr) | |
for file in open_files: | |
print(f'Open file {file.name}:\n{"".join(traceback.format_list(file.stack))}', file=sys.stderr) | |
open_files = set() | |
io.open = opener(io.open) | |
builtins.open = opener(builtins.open) |
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