回答編集履歴
2
バグ修正
answer
CHANGED
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@@ -8,29 +8,69 @@
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何週間前は単純に差分日数の7で割った商なので質問者さんが最初に書いていた計算で大丈夫かと思います。
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# コード
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```python
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# coding: utf-8
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# Your code here!
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from datetime import datetime, timedelta
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old_datetime = datetime(2020,
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old_datetime = datetime(2020, 2, 5)
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today_datetime = datetime.today()
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today_datetime = datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
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# 日付は一旦おいて年月を月換算にする
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years_diff = today_datetime.year - old_datetime.year
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month_diff = (today_datetime.month - old_datetime.month) + years_diff * 12
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# 日付の扱い。定期券を同じ考え方で負数になる場合は、1カ月経過していないという事
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if today_datetime.day - old_datetime.day < 0:
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month_diff -= 1;
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# 日数と週の扱い
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date_diff = (today_datetime - old_datetime).days
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week_diff = date_diff // 7
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# 月の扱い
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month_diff = (today_datetime.month - old_datetime.month) + (today_datetime.year - old_datetime.year) * 12
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if today_datetime.day - old_datetime.day < 0:
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month_diff -= 1
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# 年の扱い
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years_diff = month_diff // 12
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print(f'{
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print(f'{today_datetime} と {old_datetime} の比較')
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print(f'{years_diff} 年前、{month_diff} カ月前、{week_diff} 週間前、{date_diff} 日前')
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```
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動作サンプル
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# 動作サンプル
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[https://paiza.io/projects/LW3wmLYdNQoPKsB3sgc9FQ?language=python3](https://paiza.io/projects/LW3wmLYdNQoPKsB3sgc9FQ?language=python3)
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[https://paiza.io/projects/LW3wmLYdNQoPKsB3sgc9FQ?language=python3](https://paiza.io/projects/LW3wmLYdNQoPKsB3sgc9FQ?language=python3)
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# 追記した悪乗り版コード
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```
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from datetime import datetime, timedelta
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def test(old_datetime):
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today_datetime = datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
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# 日数と週の扱い
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date_diff = (today_datetime - old_datetime).days
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week_diff = date_diff // 7
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# 月の扱い
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month_diff = (today_datetime.month - old_datetime.month) + (today_datetime.year - old_datetime.year) * 12
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if today_datetime.day - old_datetime.day < 0:
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month_diff -= 1
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# 年の扱い
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years_diff = month_diff // 12
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print(f'{old_datetime} は、{years_diff} 年前、{month_diff} カ月前、{week_diff} 週間前、{date_diff} 日前')
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print(f'今日は {datetime.today()} です。')
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test(datetime(2021, 2, 4))
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test(datetime(2021, 2, 3))
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test(datetime(2021, 2, 1))
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test(datetime(2021, 1, 31))
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test(datetime(2020, 12, 4))
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test(datetime(2020, 2, 6))
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test(datetime(2020, 2, 5))
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test(datetime(2020, 2, 4))
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```
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[https://paiza.io/projects/_YmaBQlwVecdO9JDagJKvA](https://paiza.io/projects/_YmaBQlwVecdO9JDagJKvA)
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1
週と日数も追加
answer
CHANGED
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@@ -11,7 +11,7 @@
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```python
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from datetime import datetime, timedelta
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old_datetime = datetime(
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old_datetime = datetime(2020, 7, 7)
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today_datetime = datetime.today()
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# 日付は一旦おいて年月を月換算にする
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@@ -22,8 +22,14 @@
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if today_datetime.day - old_datetime.day < 0:
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month_diff -= 1;
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# 日数と週の扱い
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date_diff = (today_datetime - old_datetime).days
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week_diff = date_diff // 7
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print(f'{old_datetime} は {years_diff} 年前')
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print(f'{old_datetime} は {month_diff} カ月前')
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print(f'{old_datetime} は {week_diff} 週間前')
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print(f'{old_datetime} は {date_diff} 日前')
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```
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動作サンプル
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