Crache une liste de noms de fichiers, de dates de dernière modification et de codes de caractères en python3

anaconda3 installé Pour anaconda, voir Installer anaconda sur Mac

Installez chardet pour déterminer le code de caractère

--Si vous n'avez pas installé anaconda, pip installez ou installez anaconda --Installer chardet

zsh

$ anaconda search -t conda chardet #Trouver un chardet à anaconda
Using Anaconda API: https://api.anaconda.org
Run 'anaconda show <USER/PACKAGE>' to get more details:
Packages:
     Name                      |  Version | Package Types   | Platforms
     ------------------------- |   ------ | --------------- | ---------------
     anaconda/chardet          |    3.0.4 | conda           | linux-ppc64le, linux-64, win-32, osx-64, linux-32, win-64
...

$ anaconda show anaconda/chardet #Sélectionnez celui que vous aimez dans le chardet que vous avez recherché et découvrez comment l'installer
Using Anaconda API: https://api.anaconda.org
Name:    chardet
Summary:
Access:  public
Package Types:  conda
Versions:
   + 2.3.0
   + 3.0.2
   + 3.0.3
   + 3.0.4

To install this package with conda run:
     conda install --channel https://conda.anaconda.org/anaconda chardet

$ conda install --channel https://conda.anaconda.org/anaconda chardet #Copiez et collez la commande d'installation qui est sortie après vérification
Fetching package metadata .........
Solving package specifications: ..........

Package plan for installation in environment /Users/berry/.pyenv/versions/anaconda3-4.2.0:

The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    conda-env-2.6.0            |                0          601 B  anaconda
    chardet-3.0.4              |           py35_0         188 KB  anaconda
    requests-2.14.2            |           py35_0         725 KB  anaconda
    pyopenssl-16.2.0           |           py35_0          70 KB  anaconda
    conda-4.3.22               |           py35_0         516 KB  anaconda
    ------------------------------------------------------------
                                           Total:         1.5 MB

The following NEW packages will be INSTALLED:

    chardet:   3.0.4-py35_0  anaconda
    conda-env: 2.6.0-0       anaconda

The following packages will be UPDATED:

    conda:     4.2.9-py35_0           --> 4.3.22-py35_0 anaconda
    pyopenssl: 16.0.0-py35_0          --> 16.2.0-py35_0 anaconda
    requests:  2.11.1-py35_0          --> 2.14.2-py35_0 anaconda

Proceed ([y]/n)? y

Fetching packages ...
conda-env-2.6. 100% |############################################################################| Time: 0:00:00 304.59 kB/s
chardet-3.0.4- 100% |############################################################################| Time: 0:00:02  83.22 kB/s
requests-2.14. 100% |############################################################################| Time: 0:00:52  14.02 kB/s
pyopenssl-16.2 100% |############################################################################| Time: 0:00:02  25.32 kB/s
conda-4.3.22-p 100% |############################################################################| Time: 0:00:18  28.66 kB/s
Extracting packages ...
[      COMPLETE      ]|###############################################################################################| 100%
Unlinking packages ...
[      COMPLETE      ]|###############################################################################################| 100%
Linking packages ...
[      COMPLETE      ]|###############################################################################################| 100%

$ 

Exportez le nom du fichier, la date et l'heure de modification et le code de caractère vers csv

• Exportez la liste des fichiers sous ''. / File / ' `vers csv

python3

# support python3

import os
import datetime
import csv
from chardet.universaldetector import UniversalDetector

_path = './file/'

# get encode of a file
def univ_detect(file_dir):
    ud = UniversalDetector()
    with open(file_dir, 'rb') as fd:
        for b in fd:
            ud.feed(b)
            if ud.done:
                break
    ud.close()
    return ud.result['encoding']

# get a file name, path and last-modified timestamp
all_files = []
def get_file_list(file_path):
    # all_files = []
    file_list = [f for f in os.listdir(file_path)]
    for g in file_list:
        g_path = os.path.join(file_path, g)

        # last modified time        
        last_modified = os.path.getmtime(g_path)
        dt = datetime.datetime.fromtimestamp(last_modified).strftime('%Y%m%d_%H:%M:%S')

        # chardet
        encode = 'Directory'
        if os.path.isdir(g_path):
            pass
        else:
            encode = univ_detect(g_path)

        all_files.append([dt, g_path.split(_path,1)[1], ' '.join(['~',encode,'~'])])

        # subdirectory
        if os.path.isdir(g_path):
            subfile_list = [i for i in os.listdir(g_path)]
            for j in subfile_list:
                j_path = os.path.join(g_path, j)

                # last modified time
                sub_last_modified = os.path.getmtime(j_path)
                sub_dt = datetime.datetime.fromtimestamp(sub_last_modified).strftime('%Y%m%d_%H:%M:%S')

                # chardet
                encode = 'Directory'
                if os.path.isdir(j_path):
                    pass
                else:
                    encode = univ_detect(j_path)

                all_files.append([sub_dt, j_path.split(_path,1)[1], ' '.join(['~',encode,'~'])])
    return file_list
    # return all_files

print(get_file_list(_path))

csv_file = [['Last_modified', 'file_path', 'encode']] # Header
csv_file.extend(all_files)
with open('file_checker.csv', 'w') as h:
    writer = csv.writer(h, lineterminator='\n')
    writer.writerows(csv_file)