hy/fastentrypoints.py

113 lines
3.9 KiB
Python
Raw Normal View History

# noqa: D300,D400
# Copyright (c) 2016, Aaron Christianson
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
'''
Monkey patch setuptools to write faster console_scripts with this format:
import sys
from mymodule import entry_function
sys.exit(entry_function())
This is better.
(c) 2016, Aaron Christianson
http://github.com/ninjaaron/fast-entry_points
'''
from setuptools.command import easy_install
import re
TEMPLATE = '''\
# -*- coding: utf-8 -*-
# EASY-INSTALL-ENTRY-SCRIPT: '{3}','{4}','{5}'
__requires__ = '{3}'
import re
import sys
from {0} import {1}
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit({2}())'''
@classmethod
def get_args(cls, dist, header=None): # noqa: D205,D400
"""
Yield write_script() argument tuples for a distribution's
console_scripts and gui_scripts entry points.
"""
if header is None:
# pylint: disable=E1101
header = cls.get_header()
spec = str(dist.as_requirement())
for type_ in 'console', 'gui':
group = type_ + '_scripts'
for name, ep in dist.get_entry_map(group).items():
# ensure_safe_name
if re.search(r'[\\/]', name):
raise ValueError("Path separators not allowed in script names")
script_text = TEMPLATE.format(
ep.module_name, ep.attrs[0], '.'.join(ep.attrs),
spec, group, name)
# pylint: disable=E1101
args = cls._get_script_args(type_, name, header, script_text)
for res in args:
yield res
# pylint: disable=E1101
easy_install.ScriptWriter.get_args = get_args
def main():
import os
import re
import shutil
import sys
dests = sys.argv[1:] or ['.']
filename = re.sub('\.pyc$', '.py', __file__)
for dst in dests:
shutil.copy(filename, dst)
manifest_path = os.path.join(dst, 'MANIFEST.in')
setup_path = os.path.join(dst, 'setup.py')
# Insert the include statement to MANIFEST.in if not present
with open(manifest_path, 'a+') as manifest:
manifest.seek(0)
manifest_content = manifest.read()
if 'include fastentrypoints.py' not in manifest_content:
manifest.write(('\n' if manifest_content else '') +
'include fastentrypoints.py')
# Insert the import statement to setup.py if not present
with open(setup_path, 'a+') as setup:
setup.seek(0)
setup_content = setup.read()
if 'import fastentrypoints' not in setup_content:
setup.seek(0)
setup.truncate()
setup.write('import fastentrypoints\n' + setup_content)