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Python覚書ファイルの更新日を取得する。

Posted at

os.stat

時間の取得について、ここでも書いていますが、もう少し書きます。
Python覚書:テキスト参照して、対象ファイルをコピーしつつファイル名を編集する

>>> os.stat(file_path).st_mtime
>>> 1442209206.0

変更された時刻が取得できる。でもこれは値のみ。

datetime.datetime.fromtimestamp

datetime.datetime.fromtimestampで変換する。

>>> datetime.datetime.fromtimestamp(os.stat(file_path).st_mtime)
datetime.datetime(2015, 9, 14, 14, 40, 6)

dt.strftime

さらにdt.strftimeで文字列に変換すれば出来上がり。

>>> dt.strftime('%Y/%m/%d  %H:%M:%S')
'2015/09/14  14:40:06'

パスから対象ファイルの日付を他のテキスト情報に書き出し処理。

gettime.py
# -*- coding: shift-jis -*-
def main():
    pass

if __name__ == '__main__':
    main()

import os
import datetime
from datetime import datetime as dt

os.chdir(r"D:\temp")

txt_file = open(r"D:\temp\photo.txt","r")

for target_line in txt_file:
    if target_line == '\n':
        break

    target = target_line[:-1]
    file_name = os.path.basename(target_line)[:-1]

    print file_name

    if os.path.exists(target) :
        dt = datetime.datetime.fromtimestamp(os.stat(target).st_mtime)
        key = dt.strftime('%Y/%m/%d  %H:%M:%S')
        txt_file_out = open(r"D:\python\py_date\ipad_img_file_date.csv", "a+")
        txt_file_out.write(target + "," + file_name + "," + str(dt) + "," + key + "\n")

txt_file_out.close()
txt_file.close()

エクセルでも似たような感じになる。

詳しくは後ほど。

import xlrd
year_b, month_b, day_b, hour_b, minute_b, second_b = xlrd.xldate_as_tuple(udtdate_ib,book.datemode)
as_udtdate_ib = str(year_b) + '/' + str(month_b) + '/' + str(day_b)
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