CODESYS 4 Linux

from System.Net import WebClient

#

# Install a library from a URL (starting with http(s))

#

def install_library(url, librarymanager):

    if not url.startswith("http"):

        return

    downloaddir = os.path.join(os.environ["USERPROFILE"], "downloads")

    if not os.path.exists(downloaddir):

        os.makedirs(downloaddir)

    localname = os.path.join(downloaddir, "dl.library")

    print("*** download %s to %s\n" % (url, localname))

    web_client = WebClient()

    web_client.DownloadFile(url, localname)

    repo = librarymanager.repositories[0]

    print("*** installing %s\n" % url)

    librarymanager.install_library (localname, repo, True)

#

# Check if there is a *.requirements file, and install

# all requirements from there. The parameter is a library

# URL, while we are checking if a *.requirements file exists

# beside this library.

#

def install_requirements(library_filename, librarymanager):

    reqfilename = os.path.splitext(library_filename)[0] + ".requirements"

    if os.path.isfile(reqfilename):

        reqfile = open(reqfilename, "r")

        for req in reqfile:

            install_library(req, librarymanager)