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# SPDX-License-Identifier: GPL-3.0-or-later
"""
Loading of parts of Haketilo source for testing in browser
"""
# This file is part of Haketilo.
#
# Copyright (C) 2021 Wojtek Kosior <koszko@koszko.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
# I, Wojtek Kosior, thereby promise not to sue for violation of this file's
# license. Although I request that you do not make use this code in a
# proprietary program, I am not going to enforce this in court.
from pathlib import Path
import subprocess, re
from .misc_constants import *
script_root = here.parent
awk_script = script_root / 'compute_scripts.awk'
def make_relative_path(path):
path = Path(path)
if path.is_absolute():
path = path.relative_to(script_root)
return path
"""Used to ignore hidden files and emacs auto-save files."""
script_name_regex = re.compile(r'^[^.#].*\.js$')
def available_scripts(directory):
for script in directory.rglob('*.js'):
if script_name_regex.match(script.name):
yield script
def get_wrapped_script(script_path):
if script_path == 'exports_init.js':
with open(script_root / 'MOZILLA_exports_init.js') as script:
return script.read()
awk = subprocess.run(['awk', '-f', str(awk_script), 'wrapped_code',
str(script_path)],
stdout=subprocess.PIPE, cwd=script_root, check=True)
return awk.stdout.decode()
def load_script(path, import_dirs):
"""
`path` and `import_dirs` are .js file path and a list of directory paths,
respectively. They may be absolute or specified relative to Haketilo's
project directory.
Return a string containing script from `path` together with all other
scripts it depends on, wrapped in the same way Haketilo's build system wraps
them, with imports properly satisfied.
"""
path = make_relative_path(path)
import_dirs = [make_relative_path(dir) for dir in import_dirs]
available = [s for dir in import_dirs for s in available_scripts(dir)]
awk = subprocess.run(['awk', '-f', str(awk_script), 'script_dependencies',
str(path), *[str(s) for s in available]],
stdout=subprocess.PIPE, cwd=script_root, check=True)
output = awk.stdout.decode()
return '\n'.join([get_wrapped_script(path) for path in output.split()])
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