Memory leak when using docx.Document to parse large word file #1428
Description
similar issue: #1364
reproduce code:
import gc
import os
import psutil
from docx import Document
from memory_profiler import profile
@profile
def main():
file = "test.docx"
document = Document(file)
del document
gc.collect()
print(
"current process memory: %.4f GB"
% (psutil.Process(os.getpid()).memory_info().rss / 1024 / 1024 / 1024),
)
if __name__ == "__main__":
main()reproduce file:
新建 DOCX 文档.docx
output:
❯ python test.py
current process memory: 2.6228 GB
Filename: test.py
Line # Mem usage Increment Occurrences Line Contents
=============================================================
9 28.3 MiB 28.3 MiB 1 @profile
10 def main():
11 28.3 MiB 0.0 MiB 1 file = "test.docx"
12 2685.7 MiB 2657.4 MiB 1 document = Document(file)
13
14 2685.7 MiB 0.0 MiB 1 del document
15 2685.7 MiB 0.0 MiB 1 gc.collect()
16
17 2685.7 MiB 0.0 MiB 2 print(
18 2685.7 MiB 0.0 MiB 2 "current process memory: %.4f GB"
19 2685.7 MiB 0.0 MiB 1 % (psutil.Process(os.getpid()).memory_info().rss / 1024 / 1024 / 1024),
20 )