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