install

#!/usr/bin/env python3

"""Installation/Update of MikroKam

"""
import os.path
import sys
import shutil
import configparser
import os
import pip

cwd = os.getcwd()
# test for files
if not os.path.isfile(cwd + '/flashman.py'):
    print("PANIC: missing flashman.py")
    sys.exit()

if not os.path.isfile(cwd + '/launcher'):
    print("PANIC: missing launcher")
    sys.exit()

if not os.path.isfile(cwd + '/mainpage.py'):
    print("PANIC: missing mainpage.py")
    sys.exit()

if not os.path.isfile(cwd + '/MikroKam'):
    print("PANIC: missing MikroKam")
    sys.exit()  

if not os.path.isfile(cwd + '/MikroKam.desktop'):
    print("PANIC: missing MikroKam.desktop")
    sys.exit()   

if not os.path.isfile(cwd + '/MikroKam.ini.dist'):
    print("PANIC: missing MikroKam.ini.dist")
    sys.exit()

if not os.path.isfile(cwd + '/MikroKam.py'):
    print("PANIC: missing MikroKam.py")
    sys.exit()

if not os.path.isfile(cwd + '/pikamera.py'):
    print("PANIC: missing pikamera.py")
    sys.exit()

if not os.path.isfile(cwd + '/test.jpg'):
    print("PANIC: missing test.jptg")
    sys.exit()

if not os.path.isfile(cwd + '/sample.jpg'):
    print("PANIC: missing sample.jpg")
    sys.exit()

# see if this is a new install or an Update
if not os.path.isfile(cwd + '/MikroKam.ini.dist'):
    # we can't even get started
    print("PANIC: there is no MikroKam.ini.dist file. Try downloading again.")
    sys.exit()

if os.path.isfile(cwd + '/MikroKam.ini'):
    # well this looks like an Update
    print("This appears to be an update")
    shutil.copyfile(cwd+'/MikroKam.ini',cwd + '/MikroKam.ini.save')
    current_config = configparser.ConfigParser()
    current_config.read(cwd +'/MikroKam.ini')
    new_config = configparser.ConfigParser()
    new_config.read(cwd+'/MikroKam.ini.dist')
    app_values = list(current_config.items('app'))
    for parm,val in app_values:
        new_config['app'][parm] = val
    with open(cwd + '/MikroKam.ini','w') as current:
        new_config.write(current)
    current.close()


else:
    # looks like a new install
   
    #if os.path.isfile('../Desktop/MikroKam.desktop'):
    #    print("OOPS: there is already a desktop icon. Please remove ../Desktop/MikroKam.desktop and try again")
    #    sys.exit()
  
    try:
        shutil.copyfile(cwd + '/MikroKam.ini.dist',cwd + '/MikroKam.ini')
    except:
        print("PANIC: failed to copy MikroKam.ini.dist to MikroKam.ini")
        sys.exit()
    try:
        shutil.copyfile(cwd + '/MikroKam.desktop','../Desktop/MikroKam.desktop')
    except:
        print("PANIC: failed to copy /home/pi/MikroKam.desktop to /home/pi/Desktop/")
        sys.exit()


pip.main(['install','pillow'])
pip.main(['install','pyudev'])
pip.main(['install','psutil'])

print("Now you can run your application from the desktop icon or ./MikroKam")