utils.py

   1 #!/usr/bin/env python3
   2
   3 import time
   4 import os
   5 from datetime import datetime
   6
   7 import constants
   8
   9
  10 def timestamp() -> str:
  11     t = datetime.fromtimestamp(time.time())
  12     return t.strftime("%d/%b/%Y:%H:%M:%S%Z")
  13
  14
  15 def describe_age_of_file(filename) -> str:
  16     try:
  17         now = time.time()
  18         ts = os.stat(filename).st_ctime
  19         age = now - ts
  20         return describe_duration(age)
  21     except Exception as e:
  22         return "?????"
  23
  24
  25 def describe_age_of_file_briefly(filename) -> str:
  26     try:
  27         now = time.time()
  28         ts = os.stat(filename).st_ctime
  29         age = now - ts
  30         return describe_duration_briefly(age)
  31     except Exception as e:
  32         return "?????"
  33
  34
  35 def describe_duration(age: int) -> str:
  36     days = divmod(age, constants.seconds_per_day)
  37     hours = divmod(days[1], constants.seconds_per_hour)
  38     minutes = divmod(hours[1], constants.seconds_per_minute)
  39
  40     descr = ""
  41     if days[0] > 1:
  42         descr = f"{int(days[0]):d} days, "
  43     elif days[0] == 1:
  44         descr = "1 day, "
  45     if hours[0] > 1:
  46         descr = descr + f"{int(hours[0]):d} hours, "
  47     elif hours[0] == 1:
  48         descr = descr + "1 hour, "
  49     if len(descr) > 0:
  50         descr = descr + "and "
  51     if minutes[0] == 1:
  52         descr = descr + "1 minute"
  53     else:
  54         descr = descr + f"{int(minutes[0]):d} minutes"
  55     return descr
  56
  57
  58 def describe_duration_briefly(age: int) -> str:
  59     days = divmod(age, constants.seconds_per_day)
  60     hours = divmod(days[1], constants.seconds_per_hour)
  61     minutes = divmod(hours[1], constants.seconds_per_minute)
  62
  63     descr = ""
  64     if days[0] > 0:
  65         descr = f"{int(days[0]):d}d "
  66     if hours[0] > 0:
  67         descr = descr + f"{int(hours[0]):d}h "
  68     descr = descr + f"{int(minutes[0]):d}m"
  69     return descr
  70
  71
  72 # x = describe_age_of_file_briefly("pages/clock_10_none.html")
  73 # print x