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(Python) JSON Date Parsing

Demonstrates how to parse date/time strings from JSON.

Note: This example uses the DtOf and DateOf methods introduced in Chilkat v9.5.0.73

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Python Module for Windows, Linux, Alpine Linux,
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import chilkat



json = chilkat.CkJsonObject()
json.put_EmitCompact(False)

#  First, let's create JSON containing some date/time strings.
json.UpdateString("test.timestamp","2018-01-30T20:35:00Z")
json.UpdateString("test.rfc822","Tue, 24 Apr 2018 08:47:03 -0500")
json.UpdateString("test.dateStrings[0]","2018-01-30T20:35:00Z")
json.UpdateString("test.dateStrings[1]","Tue, 24 Apr 2018 08:47:03 -0500")
json.UpdateNumber("test.StartLoggingTime","1446834998.695")
json.UpdateNumber("test.Expiration","1442877512.0")
json.UpdateInt("test.StartTime",1518867432)

print(json.emit())

#  We've built the following JSON:

#  {
#    "test": {
#      "timestamp": "2018-01-30T20:35:00Z",
#      "rfc822": "Tue, 24 Apr 2018 08:47:03 -0500",
#      "dateStrings": [
#        "2018-01-30T20:35:00Z",
#        "Tue, 24 Apr 2018 08:47:03 -0500"
#      ],
#      "StartLoggingTime": 1446834998.695,
#      "Expiration": 1442877512.0,
#      "StartTime": 1518867432
#    }
#  }

#  Use the DateOf and DtOf methods to load Chilkat date/time objects with the date/time values.
#  The CkDateTime object is primarily for loading a date/time from numerous formats, and then getting
#  the date/time in various formats.  Thus, it's primarly for date/time format conversion.
#  The DtObj object holds a date/time where the individual components (day, month, year, hour, minutes, etc.) are
#  immediately accessible as integers.
dateTime = chilkat.CkDateTime()
dt = chilkat.CkDtObj()
getAsLocal = False

#  Load the date/time at test.timestamp into the dateTime object.
success = json.DateOf("test.timestamp",dateTime)
print(dateTime.getAsTimestamp(getAsLocal))
print(str(dateTime.GetAsUnixTime(False)))
print(dateTime.getAsRfc822(getAsLocal))

success = json.DateOf("test.rfc822",dateTime)
print(dateTime.getAsTimestamp(getAsLocal))

json.put_I(0)
success = json.DateOf("test.dateStrings[i]",dateTime)
print(dateTime.getAsTimestamp(getAsLocal))

json.put_I(1)
success = json.DateOf("test.dateStrings[i]",dateTime)
print(dateTime.getAsTimestamp(getAsLocal))

success = json.DateOf("test.StartLoggingTime",dateTime)
print(dateTime.getAsTimestamp(getAsLocal))

success = json.DateOf("test.Expiration",dateTime)
print(dateTime.getAsTimestamp(getAsLocal))

success = json.DateOf("test.StartTime",dateTime)
print(dateTime.getAsTimestamp(getAsLocal))

#  Output so far:

#  	2018-01-30T20:35:00Z
#  	1517344500
#  	Tue, 30 Jan 2018 20:35:00 GMT
#  	2018-04-24T13:47:03Z
#  	2018-01-30T20:35:00Z
#  	2018-04-24T13:47:03Z
#  	2015-11-07T00:36:38Z
#  	2015-09-22T04:18:32Z
#  	2018-02-17T17:37:12Z

#  Now load the date/time strings into the dt object:
success = json.DtOf("test.timestamp",getAsLocal,dt)
print("month=" + str(dt.get_Month()) + ", day=" + str(dt.get_Day()) + ", year=" + str(dt.get_Year())\
     + ", hour=" + str(dt.get_Hour()) + ", minute=" + str(dt.get_Minute()))

success = json.DtOf("test.rfc822",getAsLocal,dt)
print("month=" + str(dt.get_Month()) + ", day=" + str(dt.get_Day()) + ", year=" + str(dt.get_Year())\
     + ", hour=" + str(dt.get_Hour()) + ", minute=" + str(dt.get_Minute()))

json.put_I(0)
success = json.DtOf("test.dateStrings[i]",getAsLocal,dt)
print("month=" + str(dt.get_Month()) + ", day=" + str(dt.get_Day()) + ", year=" + str(dt.get_Year())\
     + ", hour=" + str(dt.get_Hour()) + ", minute=" + str(dt.get_Minute()))

json.put_I(1)
success = json.DtOf("test.dateStrings[i]",getAsLocal,dt)
print("month=" + str(dt.get_Month()) + ", day=" + str(dt.get_Day()) + ", year=" + str(dt.get_Year())\
     + ", hour=" + str(dt.get_Hour()) + ", minute=" + str(dt.get_Minute()))

success = json.DtOf("test.StartLoggingTime",getAsLocal,dt)
print("month=" + str(dt.get_Month()) + ", day=" + str(dt.get_Day()) + ", year=" + str(dt.get_Year())\
     + ", hour=" + str(dt.get_Hour()) + ", minute=" + str(dt.get_Minute()))

success = json.DtOf("test.Expiration",getAsLocal,dt)
print("month=" + str(dt.get_Month()) + ", day=" + str(dt.get_Day()) + ", year=" + str(dt.get_Year())\
     + ", hour=" + str(dt.get_Hour()) + ", minute=" + str(dt.get_Minute()))

success = json.DtOf("test.StartTime",getAsLocal,dt)
print("month=" + str(dt.get_Month()) + ", day=" + str(dt.get_Day()) + ", year=" + str(dt.get_Year())\
     + ", hour=" + str(dt.get_Hour()) + ", minute=" + str(dt.get_Minute()))

#  Output:

#  month=1, day=30, year=2018, hour=20, minute=35
#  month=4, day=24, year=2018, hour=13, minute=47
#  month=1, day=30, year=2018, hour=20, minute=35
#  month=4, day=24, year=2018, hour=13, minute=47
#  month=11, day=6, year=2015, hour=18, minute=36
#  month=9, day=21, year=2015, hour=23, minute=18
#  month=2, day=17, year=2018, hour=11, minute=37

 

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