65 lines
1.6 KiB
Python
65 lines
1.6 KiB
Python
"""
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If setuptools is not already installed in the environment, it's not possible
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to invoke setuptools' own commands. This routine will bootstrap this local
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environment by creating a minimal egg-info directory and then invoking the
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egg-info command to flesh out the egg-info directory.
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"""
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from __future__ import unicode_literals
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import os
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import sys
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import textwrap
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import subprocess
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import io
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minimal_egg_info = textwrap.dedent("""
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[distutils.commands]
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egg_info = setuptools.command.egg_info:egg_info
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[distutils.setup_keywords]
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include_package_data = setuptools.dist:assert_bool
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install_requires = setuptools.dist:check_requirements
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extras_require = setuptools.dist:check_extras
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entry_points = setuptools.dist:check_entry_points
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[egg_info.writers]
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dependency_links.txt = setuptools.command.egg_info:overwrite_arg
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entry_points.txt = setuptools.command.egg_info:write_entries
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requires.txt = setuptools.command.egg_info:write_requirements
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""")
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def ensure_egg_info():
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if os.path.exists('setuptools.egg-info'):
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return
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print("adding minimal entry_points")
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build_egg_info()
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def build_egg_info():
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"""
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Build a minimal egg-info, enough to invoke egg_info
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"""
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os.mkdir('setuptools.egg-info')
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with io.open('setuptools.egg-info/entry_points.txt', 'w') as ep:
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ep.write(minimal_egg_info)
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def run_egg_info():
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cmd = [sys.executable, 'setup.py', 'egg_info']
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print("Regenerating egg_info")
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subprocess.check_call(cmd)
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print("...and again.")
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subprocess.check_call(cmd)
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def main():
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ensure_egg_info()
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run_egg_info()
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__name__ == '__main__' and main()
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