build_node.py

#!/usr/bin/env python3

import sys
import os
import shutil
import subprocess
import argparse

COPYRIGHT = '/* Agitodo | Copyright (c) 2013 P. Asimakopoulos */'

def join_paths(base, path):
    return os.path.normpath(os.path.join(base, path))

RUN_DIR = os.path.dirname(os.path.realpath(__file__))

SRC_DIR = join_paths(RUN_DIR, "./core")
LIB_DIR = join_paths(RUN_DIR, "./lib")
CUSTOM_DIR = join_paths(RUN_DIR, "./www/custom")
BUILD_DIR = join_paths(RUN_DIR, "./www/app")

SOURCES = (
    (join_paths(SRC_DIR, "index.html"), ""),
    (join_paths(SRC_DIR, "css/style.css"), "css/"),
    (join_paths(SRC_DIR, "favicon.ico"), ""),
    (join_paths(SRC_DIR, "img"), ""),
    (join_paths(SRC_DIR, "font"), "")
)

SOURCES_MERGE = (
    join_paths(SRC_DIR, "js/global.js"),
    join_paths(SRC_DIR, "js/util.js"),
    join_paths(CUSTOM_DIR, "compat.js"),
    join_paths(SRC_DIR, "js/request.js"),
    join_paths(SRC_DIR, "js/oauth.js"),
    join_paths(SRC_DIR, "js/storage.js"),
    join_paths(SRC_DIR, "js/sync.js"),
    join_paths(SRC_DIR, "js/email.js"),
    join_paths(SRC_DIR, "js/tasks.js"),
    join_paths(SRC_DIR, "js/widget.js"),
    join_paths(SRC_DIR, "js/session.js"),
    join_paths(SRC_DIR, "js/pg_day.js"),
    join_paths(SRC_DIR, "js/pg_week.js"),
    join_paths(SRC_DIR, "js/pg_month.js"),
    join_paths(SRC_DIR, "js/pg_taskList.js"),
    join_paths(SRC_DIR, "js/dg_edit.js"),
    join_paths(SRC_DIR, "js/dg_settings.js"),
    join_paths(SRC_DIR, "js/dg_about.js")
)

LIBS = (
    (join_paths(SRC_DIR, "css/theme.css"), ""),
    (join_paths(LIB_DIR, "jquery.mobile-1.4.5/jquery.mobile.icons-1.4.5.min.css"), ""),
    (join_paths(LIB_DIR, "jquery.mobile-1.4.5/jquery.mobile.structure-1.4.5.min.css"), ""),
    (join_paths(LIB_DIR, "jquery.mobile-1.4.5/images/ajax-loader.gif"), "images/"),

    (join_paths(LIB_DIR, "jquery-2.1.3/jquery-2.1.3.min.js"), ""),

    (join_paths(LIB_DIR, "xdate-0.8/src/xdate.js"), ""),

    (join_paths(LIB_DIR, "CryptoJS v3.1.2/rollups/pbkdf2.js"), ""),
    (join_paths(LIB_DIR, "CryptoJS v3.1.2/rollups/sha1.js"), ""),
    (join_paths(LIB_DIR, "CryptoJS v3.1.2/rollups/sha256.js"), ""),
    (join_paths(LIB_DIR, "CryptoJS v3.1.2/rollups/aes.js"), "")
)

def create_dir(path, verbose=False):
    if os.path.isdir(path): return True

    res = False

    try:
        if verbose:
            print('Creating directory %s...' % path)
        os.makedirs(path)
        res = True
    except:
        if verbose:
            print('Cannot create directory %s' % path)

    return res

def remove_dir(path):
    res = False
    if not os.path.isdir(path):
        res = True
    else:
        try:
            print('Removing directory %s...' % path)
            shutil.rmtree(path)
            res = True
        except:
            print('Cannot remove directory %s' % path)
    return res

def merge_files(*files):
    merged = ''

    for path in files:
        if not isinstance(path, str) or not path: continue

        if not os.path.isfile(path):
            print('File %s does not exist...' % path)
            continue

        if not os.access(path, os.R_OK):
            print('Read access denied for file %s...' % path)
            continue

        with open(path, 'r') as f:
            if merged != '': merged += '\n'
            merged += f.read()

    return merged

def write_file(contents, dst, base=None, create_dir=True):
    if not isinstance(dst, str) or not dst: return

    if base is not None: dst = os.path.join(base, dst)

    if not os.path.isdir(os.path.dirname(dst)):
        if create_dir:
            try:
                os.makedirs(os.path.dirname(dst))
            except:
                print('Cannot create directory %s' % os.path.dirname(dst))
                return
        else:
            print('Directory %s does not exist' % os.path.dirname(dst))
            return

    print('Writing to %s...' % dst, end='')

    content_length = 0
    with open(dst, 'w') as f:
        content_length = f.write(contents)

    print(' %d bytes' % content_length)

def uglifyjs(src, dst, verbose=False):
    if not os.path.isfile(src):
        if verbose:
            print('File %s does not exist...' % (src))
        return

    create_dir(os.path.dirname(dst), verbose=verbose)

    if verbose:
        print('Copying (uglifyjs) %s to %s...' % (src, dst))

    reserved = [
        "session",
        "pg_day",
        "pg_week",
        "pg_month",
        "pg_taskList",
        "dg_edit",
        "dg_settings",
        "dg_about"
    ]

    return subprocess.call(['uglifyjs', src, '-o', dst, '-c', '-m', 'toplevel', '-r', ','.join(reserved), '--screw-ie8', '--preamble', COPYRIGHT])

def copy_path(src_path, dst_dir):
    if not os.path.exists(src_path):
        raise Exception('Path %s does not exist' % (src_path))

    if not create_dir(dst_dir, verbose=True):
        raise Exception('Cannot create %s' % (dst_dir))

    basename = os.path.basename(src_path)

    if not basename:
        raise Exception('Cannot derive basename from %s' % (src_path))

    dst_path = join_paths(dst_dir, basename)

    if os.path.isdir(src_path):
        if not create_dir(dst_path, verbose=True):
            raise Exception('Cannot create %s' % (dst_path))

        for i in os.listdir(src_path):
            s = join_paths(src_path, i)
            d = join_paths(dst_path, i)
            if os.path.isdir(s):
                shutil.copytree(s, d)
            else:
                shutil.copy(s, d)
    else:
        shutil.copy(src_path, dst_path)

    return dst_path

def build(src_dir, build_dir, UGLIFY=False):

    # Clean-up previous build
    if not remove_dir(build_dir):
        raise Exception('Cannot remove %s' % (build_dir))

    # Create build directory
    if not create_dir(build_dir, verbose=True):
        raise Exception('Cannot create %s' % (build_dir))

    # Copy sources to build directory
    print('Copying source files to %s...' % build_dir)

    n = 0
    for i in SOURCES:
        dst_path = copy_path(i[0], join_paths(build_dir, i[1]))
        n += 1
        print('%d: %s...' % (n, os.path.relpath(dst_path, start=build_dir)))

    # Merge JavaScript sources, uglify & copy to build directory
    print('Merging JavaScript sources...')

    write_file(merge_files(*SOURCES_MERGE), "script.js", base=join_paths(build_dir, "js/"))

    if UGLIFY:
        uglifyjs(join_paths(build_dir, "js/script.js"), join_paths(build_dir, "js/script.js"), verbose=True)

    # Copy libraries
    lib_dir = join_paths(build_dir, "lib")

    print('Copying libraries to %s...' % lib_dir)

    n = 0
    for i in LIBS:
        dst_path = copy_path(i[0], join_paths(lib_dir, i[1]))
        n += 1
        print('%d: %s...' % (n, os.path.relpath(dst_path, start=lib_dir)))

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='Builds Agitodo from source')
    parser.add_argument('-u', '--uglify', help="Uglify source code", action="store_true")

    args = parser.parse_args()

    uglify = False

    if args.uglify:
        uglify = args.uglify

    build(SRC_DIR, BUILD_DIR, UGLIFY=uglify)