10 examples of 'get first day of month python' in Python

721
def first_day_of_month(date):
722
    ddays = int(date.strftime("%d")) - 1
723
    delta = timedelta(days=ddays)
724
    return date - delta

6
def dayOfMonth(M):
7
    return (28 if (M == 2) else 31-(M-1)%7%2)

107
def getDaysInMonth(self, mth, year):
108
    days = 0
109
    if mth in [1, 3, 5, 7, 8, 10, 12]:
110
        days = 31
111
    elif mth in [4, 6, 9, 11]:
112
        days = 30
113
    elif (mth == 2 and self.isLeapYear(year)):
114
        days = 29
115
    else:
116
        days = 28
117
    return days

517
def daysbetween(day1, month1, year1, day2, month2, year2):
518
    """Given two dates it returns the number of days between them.
519
    If date1 is earlier than date2 then the result will be positive."""
520
    return daycount(year2, month2, day2) - daycount(year1, month1, day1)

28
def get_mothers_day(self, year):
29
    return (
30
        Lithuania.get_nth_weekday_in_month(year, 5, SUN, 1),
31
        "Mother's day"
32
    )

149
def daysInMonth(self, month):
150
    """returns last day of the month as integer 28-31"""
151
    if self.isLeapYear():
152
        return _daysInMonthLeapYear[month - 1]
153
    else:
154
        return _daysInMonthNormal[month - 1]

102
def first_day_of_week():
103
    """Determine the first day of the week for the system locale.
104
    
105
    If the first day of the week cannot be determined then Sunday is assumed.
106
    
107
    Returns (int): a day of the week; 0: Sunday, 1: Monday, 6: Saturday.
108
    """
109
    # Python's locale does not have a first day of week so make a system call
110
    # http://blogs.gnome.org/patrys/2008/09/29/how-to-determine-the-first-day-of-week/
111
    CMD=("locale", "first_weekday", "week-1stday")
112
    process = Popen(CMD, stdout=PIPE, stderr=PIPE)
113
    stdout, stderr = process.communicate()
114
    if  process.returncode != 0:
115
        return 0
116
    results = stdout.split("\n")
117
    if len(results) < 2:
118
        return 0
119
    day_delta = datetime.timedelta(days=int(results[0]) - 1)
120
    base_date = datetime.datetime.strptime(results[1], "%Y%m%d")
121
    first_day = base_date + day_delta
122
    return int(first_day.strftime("%w"))

270
@property
271
def days_in_month(self):
272
    return self.date.days_in_month

10
def get_prev_month_date():
11
    today = date.today()
12
    if today.day == 1:
13
        if today.month == 1:
14
            date_month = date(today.year - 1, 12, 1)
15
        else:
16
            date_month = date(today.year, today.month - 1, 1)
17
    else:
18
        date_month = date(today.year, today.month, 1)
19
    return date_month

83
def get_month_start(from_day=None):
84
    if not from_day:
85
        from_day = datetime.date.today()
86
    from_day = add_timezone(from_day)
87
    return from_day.replace(day=1)