install

#!/usr/bin/env python
# This is the "normal" install for code cloned from github. It copies all
# the question type and behaviour files into the appropriate subdirectory of
# either /www/html/moodle or /www/moodle, whichever is found first. 

from __future__ import print_function
import os
import shutil


def printFailMessage():
    print("Install failed. Either fix the cause of the failure (preferred) or manually copy")
    print("the question type and behaviour subdirectories (recursively) as follows:")
    print("  '../behaviour/adaptive_adapted_for_coderunner/' should be copied to '<moodlehome>/question/behaviour'")
    print("  '../type/coderunner/' should be copied to '<moodlehome>/question/type'")


def main():
    cwd = os.getcwd()
    if os.path.exists('/var/www/html/moodle/question'):
        target = '/var/www/html/moodle/question'
    elif os.path.exists('/var/www/moodle/question'):
        target = '/var/www/moodle/question'
    else:
        raise Exception('<moodlehome> not found in either of the expected places')
    
    try:
        if os.path.exists('.gitignore'):
            ignores = [os.path.join(cwd, f.strip()) for f in open('.gitignore').readlines()]
        else:
            ignores = []

        def ignore_fun(dir, names):
            return [name for name in names if os.path.join(dir, name) in ignores]

        for dir in ['behaviour/adaptive_adapted_for_coderunner', 'type/coderunner']:
            srctree = os.path.join(cwd, dir)
            destree = os.path.join(target, dir)
            if os.path.islink(destree):  # Symbolic link?
                print("Deleting symbolic link {}".format(destree))
                os.unlink(destree)
            elif os.path.isdir(destree):
                print("Removing existing directory {}".format(destree))
                shutil.rmtree(destree, True) 
            shutil.copytree(srctree, destree, ignore=ignore_fun)

        print("Install complete.")

    except Exception as e:
        print("Install exception: " + str(e))
        printFailMessage()

main()