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fastentrypoints.py
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fastentrypoints.py
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# 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
"""
import re
from setuptools.command import easy_install
TEMPLATE = r"""
# -*- 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)?$', '', sys.argv[0])
sys.exit({2}())
""".lstrip()
@classmethod
def get_args(cls, dist, header=None): # noqa: D205,D400
"""
Yield write_script() argument tuples for a distribution's
console_scripts and gui_scripts entry points.
"""
if header is None:
# pylint: disable=E1101
header = cls.get_header()
spec = str(dist.as_requirement())
for type_ in "console", "gui":
group = type_ + "_scripts"
for name, ep in dist.get_entry_map(group).items():
# ensure_safe_name
if re.search(r"[\\/]", name):
raise ValueError("Path separators not allowed in script names")
script_text = TEMPLATE.format(
ep.module_name,
ep.attrs[0],
".".join(ep.attrs),
spec,
group,
name,
)
# pylint: disable=E1101,protected-access
args = cls._get_script_args(type_, name, header, script_text)
yield from args
# pylint: disable=E1101
easy_install.ScriptWriter.get_args = get_args
def main():
import os
import shutil
import sys
dests = sys.argv[1:] or ["."]
filename = re.sub(r"\.pyc$", ".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)