Kodi startup script to enable all addons.

autoexec.py

import xbmc, xbmcvfs, xbmcaddon, xbmcgui,re, os, glob, thread
from datetime import datetime
try:    from sqlite3 import dbapi2 as database
except: from pysqlite2 import dbapi2 as database

def main():
	class enableAll():
		def __init__(self):
			self.databasepath = xbmc.translatePath('special://database/')
			self.addons       = xbmc.translatePath('special://home/addons/')
			self.dbfilename   = self.latestDB()
			self.dbfilename   = os.path.join(self.databasepath, self.dbfilename)
			self.swapUS()
			if not os.path.exists(os.path.join(self.databasepath, self.dbfilename)):
				xbmcgui.Dialog().notification("AutoExec.py", "No Addons27.db file")
				self.log("DB File not found.")
				return False
			
			self.addonlist = glob.glob(os.path.join(self.addons, '*/'))
			self.disabledAddons = []
			for folder in sorted(self.addonlist, key = lambda x: x):
				addonxml = os.path.join(folder, 'addon.xml')
				if os.path.exists(addonxml):
					fold   = folder.replace(self.addons, '')[1:-1]
					f      = open(addonxml)
					a      = f.read()
					aid    = parseDOM(a, 'addon', ret='id')
					f.close()
					try:
						if len(aid) > 0: add = aid[0]
						else: add = fold
						xadd    = xbmcaddon.Addon(id=add)
					except:
						try:
							self.disabledAddons.append(add)
						except:
							self.log("Unabled to enable: %s" % folder, xbmc.LOGERROR)
			if len(self.disabledAddons) > 0:
				self.addonDatabase(self.disabledAddons, 1, True)
			xbmc.executebuiltin('UpdateAddonRepos()')
			xbmc.executebuiltin('UpdateLocalAddons()')
			xbmc.executebuiltin("ReloadSkin()")
			
		def log(self, msg, level=xbmc.LOGNOTICE):
			try:
				if isinstance(msg, unicode):
					msg = '%s' % (msg.encode('utf-8'))
				xbmc.log('[AutoExec.py]: %s' % msg, level)
			except Exception as e:
				try: xbmc.log('[AutoExec.py] Logging Failure: %s' % (e), xbmc.LOGERROR)
				except: pass
			
		def latestDB(self, DB="Addons"):
			match = glob.glob(os.path.join(self.databasepath,'%s*.db' % DB))
			comp = '%s(.+?).db' % DB[1:]
			highest = 0
			for file in match:
				try: check = int(re.compile(comp).findall(file)[0])
				except Exception, e: check = 0; self.log(str(e))
				if highest < check:
					highest = check
			return '%s%s.db' % (DB, highest)
		
		def swapUS(self):
			new = '"addons.unknownsources"'
			value = 'true'
			query = '{"jsonrpc":"2.0", "method":"Settings.GetSettingValue","params":{"setting":%s}, "id":1}' % (new)
			response = xbmc.executeJSONRPC(query)
			self.log("Unknown Sources Get Settings: %s" % str(response), xbmc.LOGDEBUG)
			if 'false' in response:
				thread.start_new_thread(self.dialogWatch, ())
				xbmc.sleep(200)
				query = '{"jsonrpc":"2.0", "method":"Settings.SetSettingValue","params":{"setting":%s,"value":%s}, "id":1}' % (new, value)
				response = xbmc.executeJSONRPC(query)
				xbmcgui.Dialog().notification("AutoExec.py", "Unknown Sources: Enabled")
				self.log("Unknown Sources Set Settings: %s" % str(response), xbmc.LOGDEBUG)
		
		def dialogWatch(self):
			x = 0
			while not xbmc.getCondVisibility("Window.isVisible(yesnodialog)") and x < 100:
				x += 1
				xbmc.sleep(100)
			
			if xbmc.getCondVisibility("Window.isVisible(yesnodialog)"):
				xbmc.executebuiltin('SendClick(11)')
		
		def addonDatabase(self, addon=None, state=1, array=False):
			installedtime = str(datetime.now())[:-7]
			if os.path.exists(self.dbfilename):
				try:
					textdb = database.connect(self.dbfilename)
					textexe = textdb.cursor()
				except Exception, e:
					self.log("DB Connection Error: %s" % str(e), xbmc.LOGERROR)
					return False
			else: return False
			try:
				if array == False:
					textexe.execute('INSERT or IGNORE into installed (addonID , enabled, installDate) VALUES (?,?,?)', (addon, state, installedtime,))
					textexe.execute('UPDATE installed SET enabled = ? WHERE addonID = ? ', (state, addon,))
				else:
					for item in addon:
						textexe.execute('INSERT or IGNORE into installed (addonID , enabled, installDate) VALUES (?,?,?)', (item, state, installedtime,))
						textexe.execute('UPDATE installed SET enabled = ? WHERE addonID = ? ', (state, item,))
				textdb.commit()
				textexe.close()
			except Exception, e:
				self.log("Erroring enabling addon: %s" % addon, xbmc.LOGERROR)
	
	try:
		#xbmcgui.Dialog().notification("AutoExec.py", "Starting Script...")
		firstRun = enableAll()
		#xbmcgui.Dialog().notification("AutoExec.py", "All Addons Enabled")
		#xbmcvfs.delete('special://userdata/autoexec.py')
	except Exception, e:
		xbmcgui.Dialog().notification("AutoExec.py", "Error Check LogFile")
		xbmc.log(str(e), xbmc.LOGERROR)
		#xbmcvfs.delete('special://userdata/autoexec.py')

def parseDOM(html, name=u"", attrs={}, ret=False):
	if isinstance(html, str):
		try:
			html = [html.decode("utf-8")]
		except:
			html = [html]
	elif isinstance(html, unicode):
		html = [html]
	elif not isinstance(html, list):
		return u""

	if not name.strip():
		return u""

	ret_lst = []
	for item in html:
		temp_item = re.compile('(<[^>]*?\n[^>]*?>)').findall(item)
		for match in temp_item:
			item = item.replace(match, match.replace("\n", " "))

		lst = []
		for key in attrs:
			lst2 = re.compile('(<' + name + '[^>]*?(?:' + key + '=[\'"]' + attrs[key] + '[\'"].*?>))', re.M | re.S).findall(item)
			if len(lst2) == 0 and attrs[key].find(" ") == -1:
				lst2 = re.compile('(<' + name + '[^>]*?(?:' + key + '=' + attrs[key] + '.*?>))', re.M | re.S).findall(item)

			if len(lst) == 0:
				lst = lst2
				lst2 = []
			else:
				test = range(len(lst))
				test.reverse()
				for i in test:
					if not lst[i] in lst2:
						del(lst[i])

		if len(lst) == 0 and attrs == {}:
			lst = re.compile('(<' + name + '>)', re.M | re.S).findall(item)
			if len(lst) == 0:
				lst = re.compile('(<' + name + ' .*?>)', re.M | re.S).findall(item)

		if isinstance(ret, str):
			lst2 = []
			for match in lst:
				attr_lst = re.compile('<' + name + '.*?' + ret + '=([\'"].[^>]*?[\'"])>', re.M | re.S).findall(match)
				if len(attr_lst) == 0:
					attr_lst = re.compile('<' + name + '.*?' + ret + '=(.[^>]*?)>', re.M | re.S).findall(match)
				for tmp in attr_lst:
					cont_char = tmp[0]
					if cont_char in "'\"":
						if tmp.find('=' + cont_char, tmp.find(cont_char, 1)) > -1:
							tmp = tmp[:tmp.find('=' + cont_char, tmp.find(cont_char, 1))]

						if tmp.rfind(cont_char, 1) > -1:
							tmp = tmp[1:tmp.rfind(cont_char)]
					else:
						if tmp.find(" ") > 0:
							tmp = tmp[:tmp.find(" ")]
						elif tmp.find("/") > 0:
							tmp = tmp[:tmp.find("/")]
						elif tmp.find(">") > 0:
							tmp = tmp[:tmp.find(">")]

					lst2.append(tmp.strip())
			lst = lst2
		else:
			lst2 = []
			for match in lst:
				endstr = u"</" + name

				start = item.find(match)
				end = item.find(endstr, start)
				pos = item.find("<" + name, start + 1 )

				while pos < end and pos != -1:
					tend = item.find(endstr, end + len(endstr))
					if tend != -1:
						end = tend
					pos = item.find("<" + name, pos + 1)

				if start == -1 and end == -1:
					temp = u""
				elif start > -1 and end > -1:
					temp = item[start + len(match):end]
				elif end > -1:
					temp = item[:end]
				elif start > -1:
					temp = item[start + len(match):]

				if ret:
					endstr = item[end:item.find(">", item.find(endstr)) + 1]
					temp = match + temp + endstr

				item = item[item.find(temp, item.find(match)) + len(temp):]
				lst2.append(temp)
			lst = lst2
		ret_lst += lst

	return ret_lst
	
if __name__ == '__main__':
	main()

This script will enable all addons and is useful when adding addons to kodi installer/apk
Uncomment line 114 if you want the script to delete itself after first run if you are embedding it into the installer/apk