get new client apps eset

import csv

whitelisted_apps = [] # app
blacklisted_apps = []  # app
restrict_list = {} # app:[user1, ...]
new_apps = {} # app:[user1, ...]

# read the restrict list to an app:[users] array dict
try:
    restrict_list_reader = csv.reader(open('restricted_apps.csv'), delimiter=";")
    for row in restrict_list_reader:
        app = row[0]
        user = row[1]
        restrict_list.setdefault(app, [])
        restrict_list[app].append(user)
except:
    pass

# read the blacklisted app list to an array
## BUGFIX: must be CSV to support BS formatting
try:
    blacklist_reader = csv.reader(open('blacklisted_apps.csv'), delimiter=";")
    for row in blacklist_reader:
        blacklisted_apps.append(row[0])
except:
    pass

# read the whitelisted app list to an array
## BUGFIX: must be CSV to support BS formatting
try:
    whitelist_reader = csv.reader(open('whitelisted_apps.csv'), delimiter=";")
    for row in whitelist_reader:
        whitelisted_apps.append(row[0])
except:
    pass

# read the current app list to an app:[users] array dict, print if blacklisted or restricted
print("\nSpecial events:\n")
newlist_reader = csv.reader(open('all_apps_full.csv'), delimiter=";")
for row in newlist_reader:
    app = row[0]
    user = row[1]
    if not app in whitelisted_apps:  # not already whitelisted
        if not app in blacklisted_apps:  # not blacklisted
            if not app in restrict_list: # not restricted to certain users (selective whitelist)
                new_apps.setdefault(app, [])
                new_apps[app].append(user)
            elif not user in restrict_list[app]:
                print("Restricted: " + app + " on " + user)
        else:
            print("Blacklisted: " + app + " on " + user)

# print all new apps
print("\nNew apps list:\n")
for entry in new_apps:
    print(entry + "\ton " + ", ".join(new_apps[entry][0:]))

# write all apps to a temp whitelist csv
## BUGFIX: must be CSV to support BS formatting
try:
    with open('tmp_whitelisted_apps.csv', 'w') as temp_whitelist:
        for entry in new_apps:
            temp_whitelist.write("%s;\n" % entry)
except:
    print("\nwarning: failed to create a temp whitelist\n")