CODESYS Forge

# imports 
import sys
import os

from System.Diagnostics import Process
from System.Net import WebClient

# This is a cforge command (script file)
# pass a "url" or local path to a CODESYS package and this script will install it 
# via the CODESYS package manager to your CODESYS installation
#



# cforge_usage: 
# here you can return an array of all possible arguments and options that can 
# be passed to this command script
def cforge_usage():
    help = [ 
	    ["<url_to_package>", "download and install a codesys package"],
	    ["<local path of package>", "install a local codesys package"]
    ]

    return help



if len(sys.argv) == 1:
    print("Oh, there are no arguments. Perhaps you forgot something?")
    sys.exit()

# download 

workingdir = os.path.dirname(sys.argv[0])

downloaddir = os.path.join(os.environ["USERPROFILE"], "downloads")
if not os.path.exists(downloaddir):
    os.makedirs(downloaddir)

url = str(sys.argv[1])

print(url)

localname = os.path.join(downloaddir, url.split("/")[-1].split("?")[0])
print(localname)

if not localname.endswith(".package"):
    print("no proper local filename found: " + localname)
    sys.exit()

print("downloading file...")
web_client = WebClient()
web_client.DownloadFile(url, localname)
print("downloading done!")

# and install local package now:

sys.path.append(workingdir)
import cds_script
cds_script.RunPackageManager("--install='" + localname + "'")