timestamp.py

import sublime, sublime_plugin, time
import datetime

def InsertDatetimeCommand():
    g = f'''
      <?xml version="1.0" encoding="UTF-8"?>
      <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
      <plist version="1.0">
      <dict>
          <key>name</key>
          <string>Globals</string>
          <key>scope</key>
          <string></string>
          <key>settings</key>
          <dict>
              <key>shellVariables</key>
              <array>
                  <dict>
                      <key>name</key>
                      <string>CURRENT_DATETIME</string>
                      <key>value</key>
                      <string><![CDATA[{time.strftime('%A, %d.%m.%Y %I:%M %p')} (GMT+5:30)]]></string>
                  </dict>
              </array>
          </dict>
      </dict>
      </plist>
    '''
    #<string><![CDATA[{time.strftime('%A, %d.%m.%Y %I:%M %p')} (GMT+5:30)]]></string>
    f = open("/home/bob/.config/sublime-text/Packages/User/Default.tmPreferences","w")
    f.write(g)
    f.close()
    
class WindowFocusListener(sublime_plugin.EventListener):
    def on_activated(self, view):
          InsertDatetimeCommand()