143 lines
4.6 KiB
Python
143 lines
4.6 KiB
Python
#!/usr/bin/env python3
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# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2014-2015 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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# This file is part of qutebrowser.
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#
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# qutebrowser 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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# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""Symlink PyQt into a given virtualenv."""
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import os
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import argparse
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import shutil
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import os.path
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import sys
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import glob
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import subprocess
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class Error(Exception):
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"""Exception raised when linking fails."""
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pass
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def verbose_copy(src, dst, *, follow_symlinks=True):
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"""Copy function for shutil.copytree which prints copied files."""
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print('{} -> {}'.format(src, dst))
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shutil.copy(src, dst, follow_symlinks=follow_symlinks)
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def get_ignored_files(directory, files):
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"""Get the files which should be ignored for link_pyqt() on Windows."""
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needed_exts = ('.py', '.dll', '.pyd', '.so')
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ignored_dirs = ('examples', 'qml', 'uic', 'doc')
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filtered = []
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for f in files:
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ext = os.path.splitext(f)[1]
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full_path = os.path.join(directory, f)
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if os.path.isdir(full_path) and f in ignored_dirs:
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filtered.append(f)
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elif (ext not in needed_exts) and os.path.isfile(full_path):
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filtered.append(f)
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return filtered
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def link_pyqt(sys_path, venv_path):
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"""Symlink the systemwide PyQt/sip into the venv.
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Args:
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sys_path: The path to the system-wide site-packages.
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venv_path: The path to the virtualenv site-packages.
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"""
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globbed_sip = (glob.glob(os.path.join(sys_path, 'sip*.so')) +
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glob.glob(os.path.join(sys_path, 'sip*.pyd')))
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if not globbed_sip:
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raise Error("Did not find sip in {}!".format(sys_path))
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files = ['PyQt5']
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files += [os.path.basename(e) for e in globbed_sip]
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for fn in files:
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source = os.path.join(sys_path, fn)
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dest = os.path.join(venv_path, fn)
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if not os.path.exists(source):
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raise FileNotFoundError(source)
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if os.path.exists(dest):
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if os.path.isdir(dest) and not os.path.islink(dest):
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shutil.rmtree(dest)
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else:
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os.unlink(dest)
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if os.name == 'nt':
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if os.path.isdir(source):
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shutil.copytree(source, dest, ignore=get_ignored_files,
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copy_function=verbose_copy)
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else:
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print('{} -> {}'.format(source, dest))
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shutil.copy(source, dest)
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else:
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print('{} -> {}'.format(source, dest))
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os.symlink(source, dest)
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def get_python_lib(executable):
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"""Get the python site-packages directory for the given executable."""
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return subprocess.check_output(
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[executable, '-c', 'from distutils.sysconfig import get_python_lib\n'
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'print(get_python_lib())'], universal_newlines=True).rstrip()
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def get_tox_syspython(venv_path):
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"""Get the system python based on a virtualenv created by tox."""
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path = os.path.join(venv_path, '.tox-config1')
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with open(path, encoding='ascii') as f:
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line = f.readline()
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_md5, sys_python = line.rstrip().split(' ')
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return sys_python
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def main():
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"""Main entry point."""
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parser = argparse.ArgumentParser()
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parser.add_argument('path', help="Base path to the venv.")
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parser.add_argument('site_path', help="Path to the venv site-packages "
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"folder (for tox).", nargs='?')
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parser.add_argument('--tox', help="Add when called via tox.",
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action='store_true')
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args = parser.parse_args()
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if args.tox:
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sys_path = get_python_lib(get_tox_syspython(args.path))
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else:
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sys_path = get_python_lib(sys.executable)
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if args.site_path is None:
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subdir = 'Scripts' if os.name == 'nt' else 'bin'
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executable = os.path.join(args.path, subdir, 'python')
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venv_path = get_python_lib(executable)
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else:
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venv_path = args.site_path
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link_pyqt(sys_path, venv_path)
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if __name__ == '__main__':
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try:
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main()
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except Error as e:
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print(str(e), file=sys.stderr)
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sys.exit(1)
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