Path and base64

Delete files under a directory 

1 directory = Path("tmp/")
2 for entry in repertoire.rglob("stats_employe_*.csv"):
3     entry.unlink()

Building a zip file from csv files 

1 directory = Path("tmp/")
2 zipfilename_partiel = f"stats_employes_{selected_year}.zip"
3 zipfilename = f"tmp/{zipfilename_partiel}"
4 with zipfile.ZipFile(zipfilename, "w", zipfile.ZIP_DEFLATED) as zip_file:
5     for entry in directory.rglob("stats_employe_*.csv"):
6         zip_file.write(entry, entry.relative_to(dir))

decode base64 

 1"""Transforme une image codée en base64
 2   en image au format PNG
 3
 4    .
 5    ├── decode_base64.py
 6    ├── images
 7    │   ├── base_64_cca.png
 8    │   ├── base_64_cca.txt
 9    │   ├── base_64_galgadot.png
10    │   ├── base_64_galgadot.txt
11    │   ├── base_64_hemsworh_1.png
12    │   ├── base_64_hemsworh_1.txt
13    │   ├── base_64_hemsworh_2.png
14    │   ├── base_64_hemsworh_2.txt
15    │   ├── base_64_male_tpdne.png
16    │   ├── base_64_male_tpdne.txt
17    │   ├── base_64_rd.png
18    │   └── base_64_rd.txt
19    ├── poetry.lock
20    └── pyproject.toml
21
22
23"""
24import base64
25import sys
26from io import BytesIO
27from pathlib import Path
28
29from PIL import Image
30
31
32def decode_and_save_image(base64_filename: Path):
33    """
34
35    >>> base64_filename
36        PosixPath('images/base_64_cca.txt')
37
38    >>> base64_filename.stem
39    'base_64_cca'
40
41    >>> output_image = base64_filename.parent / (base64_filename.stem + ".png")
42    >>> output_image
43    PosixPath('images/base_64_cca.png')
44
45    """
46    output_image_filename = base64_filename.parent / (
47        base64_filename.stem.removeprefix("base_64_") + ".png"
48    )
49    print(f"{base64_filename=}\n{output_image_filename=}")
50    f = open(base64_filename, "r")
51    data = f.read()
52    f.close()
53    im = Image.open(BytesIO(base64.b64decode(data)))
54    im.save(output_image_filename, "PNG")
55
56
57if __name__ == "__main__":
58    """Point d'entrée du script Python."""
59    base64_filename = Path(".")
60    for i, argument in enumerate(sys.argv):
61        if argument == "--file":
62            base64_filename = Path(sys.argv[i + 1])
63
64    decode_and_save_image(base64_filename)