build.py

#!/bin/env python3

'''Create a new project from this template. Requires two arguments:

- project name
- audio unit subtype

'''

import os
import os.path
import shutil
import subprocess
import sys


def substituteName(content, name, subtype):
    return content.replace('--NAME--', name).replace('--SUBTYPE--', subtype)


def makeDestPath(sourcePath, destDir, name, subtype):
    return substituteName(os.path.join(destDir, sourcePath), name, subtype)


def buildFile(sourcePath, destPath, name, subtype):
    justCopy = ['.py', '.png', '.caf', '.wav', '.xcuserstate', '.opacity',
                '.ttf']
    os.makedirs(os.path.split(destPath)[0], exist_ok=True)
    if os.path.splitext(destPath)[1] in justCopy:
        shutil.copy2(sourcePath, destPath)
    else:
        open(destPath, 'w').write(substituteName(open(sourcePath, 'r').read(),
                                                 name, subtype))


def runCommand(step, *args):
    print('--', step)
    process = subprocess.run(args, stdout=subprocess.PIPE, universal_newlines=True)
    if process.returncode != 0:
        print(process.stdout)
        print(process.stderr)
        sys.exit(1)


def createRepo(destDir):
    os.chdir(destDir)
    runCommand('creating repo', 'git', 'init')
    runCommand('stagiing files', 'git', 'add', '-A')
    runCommand('committing to repo', 'git', 'commit', '-m',
               'Yeah! Initial commit')


def build(name, subtype):
    destDir = os.path.join('..', name)
    if os.path.exists(destDir):
        print('** destination', destDir, 'exists')
        sys.exit(1)
    for dirname, dirnames, filenames in os.walk('.'):

        for each in list(filter(lambda a: a[0] == '.' or a == 'xuserdata', dirnames)):
            dirnames.remove(each)

        for filename in filenames:
            if filename == '.DS_Store':
                continue

            sourcePath = os.path.join(dirname, filename)[2:]
            print('--', sourcePath)
            buildFile(sourcePath,
                      makeDestPath(sourcePath, destDir, name, subtype),
                      name,
                      subtype)
    createRepo(destDir)
    runCommand('opening project', 'open',
               os.path.join(destDir, name + '.xcodeproj'))


if __name__ == '__main__':
    if len(sys.argv) != 3:
        print("usage: python build.py NAME SUBTYPE")
        print("where: ")
        print("  NAME is the name of the new AUv3 component")
        print("  SUBTYPE is the unique AUv3 4-character subtype for the new component")
        sys.exit(1)

    name = sys.argv[1]
    if not name:
        print("*** invalid/missing name")
        sys.exit(1)

    subType = sys.argv[2]
    if not subType or len(subType) != 4:
        print("*** invalid/missing subType -- must be exactly 4 characters")
        sys.exit(1)

    build(name, subType)