python：Pytime 一个可以字符串操作日期/时间的库
PyTime是一个易于使用的Python模块，指在通过字符串操作date/time/datetime。在大多数情况下，PyTime允许你使用非规则的datetime字符串来生成和计算datetime。它还提供了一些简单有用的方法来获取你想要的日期时间。
安装
C:\Users\lifeng01>pip install pytime
Collecting pytime
Downloading pytime-0.2.2-py3-none-any.whl (9.2 kB)
Installing collected packages: pytime
Successfully installed pytime-0.2.2
示例使用
from pytime import pytime
# 获取2015.5.17前2年，3个月23周3天2小时
data_time = pytime.before('2015.5.17', '2years 3mon 23week 3d 2hr')
print(f"类型：{type(data_time)}，日期：{data_time}")
# 获取2015年5月17日的第二天，23个月3天29分钟
data_time = pytime.after('2015.5.17', '23month3dy29minu')
print(f"类型：{type(data_time)}，日期：{data_time}")
# 运行结果
类型：<class 'datetime.datetime'>，日期：2012-09-05 22:00:00
类型：<class 'datetime.datetime'>，日期：2017-04-20 00:29:00
Process finished with exit code 0
返回的类型全部是datetime.datetime，因为本身这个库中是基于datetime库编写的。
获取天
- 不传参数，直接获取天
from pytime import pytime
print(pytime.today())
print(pytime.tomorrow())
print(pytime.yesterday())
print(pytime.last_day())
# 运行结果
2021-10-21
2021-10-22
2021-10-20
2021-10-31
Process finished with exit code 0
- 传参获取指定天
from pytime import pytime
print(pytime.tomorrow("2021.10.15"))
print(pytime.yesterday("2021.10.15"))
print(pytime.last_day(2021, 9))
# 运行结果
2020-10-21
2021-10-16
2021-10-14
2021-09-30
Process finished with exit code 0
获取周
- 不传参数，直接获取周
from pytime import pytime
print(pytime.this_week())
print(pytime.next_week())
print(pytime.last_week())
# 运行结果
(datetime.date(2021, 10, 18), datetime.date(2021, 10, 25))
(datetime.date(2021, 10, 25), datetime.date(2021, 11, 2))
(datetime.date(2021, 10, 11), datetime.date(2021, 10, 19))
Process finished with exit code 0
- 传参获取指定周
from pytime import pytime
print(pytime.this_week("2021-10-10", clean=True))
print(pytime.next_week("2021-10-10"))
print(pytime.last_week(pytime.mother(2021), clean=True))
# 运行结果
(datetime.date(2021, 10, 4), datetime.date(2021, 10, 10))
(datetime.date(2021, 10, 11), datetime.date(2021, 10, 19))
(datetime.date(2021, 4, 26), datetime.date(2021, 5, 3))
Process finished with exit code 0
clean是清除操作，传True就会获取干净的周（默认是False）；pytime.mother(2021)是获取2021年的母亲节日期
clean传True就取到当天，如果不传就多取一天，示例如下：
from pytime import pytime
print(pytime.this_week("2021-10-10"))
print(pytime.this_week("2021-10-10", clean=True))
# 运行结果
(datetime.date(2021, 10, 4), datetime.date(2021, 10, 11))
(datetime.date(2021, 10, 4), datetime.date(2021, 10, 10))
Process finished with exit code 0
获取月
- 不传参数，直接获取月
from pytime import pytime
print(pytime.this_month())
print(pytime.next_month())
print(pytime.last_month())
# 运行结果
(datetime.date(2021, 10, 1), datetime.date(2021, 11, 1))
(datetime.date(2021, 11, 1), datetime.date(2021, 12, 1))
(datetime.date(2021, 9, 1), datetime.date(2021, 10, 1))
Process finished with exit code 0
- 传参获取指定月
from pytime import pytime
print(pytime.this_month("2021-10-21", clean=True))
print(pytime.next_month("2021-10-21"))
print(pytime.last_month("2021-10-21"))
# 运行结果
(datetime.date(2021, 10, 1), datetime.date(2021, 10, 31))
(datetime.date(2021, 11, 1), datetime.date(2021, 12, 1))
(datetime.date(2021, 9, 1), datetime.date(2021, 10, 1))
Process finished with exit code 0
clean传True，就是默认取到月底，如果不传就是取下个月的月初，示例如下：
from pytime import pytime
print(pytime.this_month("2021-10-21"))
print(pytime.this_month("2021-10-21", clean=True))
# 运行结果
(datetime.date(2021, 10, 1), datetime.date(2021, 11, 1))
(datetime.date(2021, 10, 1), datetime.date(2021, 10, 31))
Process finished with exit code 0
固定节日
- 不传参数，直接获取节日
from pytime import pytime
# 父亲节
print(pytime.father())
# 母亲节
print(pytime.mother())
# 复活节
print(pytime.easter())
# 德国的父亲节
print(pytime.vatertag())
- 传参获取指定节日
from pytime import pytime
print(pytime.father("2020"))
print(pytime.mother("2020"))
print(pytime.easter("2020"))
print(pytime.vatertag("2020"))
计算和获取间隔时间
from pytime import pytime
# 获取间隔时间
print(pytime.days_range('2015-5-17', '2015-5-23'))
# 时间计算
print(pytime.count('2021-10-20 23:23:23', pytime.today()))
# 运行结果
[datetime.date(2015, 5, 23), datetime.date(2015, 5, 22), datetime.date(2015, 5, 21), datetime.date(2015, 5, 20), datetime.date(2015, 5, 19), datetime.date(2015, 5, 18), datetime.date(2015, 5, 17)]
-1 day, 23:23:23
Process finished with exit code 0
解析不规则的日期
from pytime import pytime
print(pytime.parse('April 3rd 2015'))
print(pytime.parse('Oct, 1st. 2015'))
print(pytime.parse('NOV21th2015'))
print(pytime.parse('2015517'))
print(pytime.parse('5/17/15'))
print(pytime.parse('92-11-2'))
print(pytime.parse(1432310400)) # 支持所有函数的时间戳
# 运行结果
2015-04-03
2015-10-01
2015-11-21
2015-05-17
2015-05-17
1992-11-02
2015-05-23 00:00:00
Process finished with exit code 0
以上总结或许能帮助到你，或许帮助不到你，但还是希望能帮助到你，如有疑问、歧义，直接私信留言会及时修正发布；非常期待你的点赞和分享哟，谢谢！
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