initial drop of setuptools v39.1.0
Test: N/A
Bug: b/79751992
Change-Id: Iccb41bbd58f7a6af510957966c5d893c2875e4ee
diff --git a/bootstrap.py b/bootstrap.py
new file mode 100644
index 0000000..8c7d7fc
--- /dev/null
+++ b/bootstrap.py
@@ -0,0 +1,64 @@
+"""
+If setuptools is not already installed in the environment, it's not possible
+to invoke setuptools' own commands. This routine will bootstrap this local
+environment by creating a minimal egg-info directory and then invoking the
+egg-info command to flesh out the egg-info directory.
+"""
+
+from __future__ import unicode_literals
+
+import os
+import sys
+import textwrap
+import subprocess
+import io
+
+
+minimal_egg_info = textwrap.dedent("""
+ [distutils.commands]
+ egg_info = setuptools.command.egg_info:egg_info
+
+ [distutils.setup_keywords]
+ include_package_data = setuptools.dist:assert_bool
+ install_requires = setuptools.dist:check_requirements
+ extras_require = setuptools.dist:check_extras
+ entry_points = setuptools.dist:check_entry_points
+
+ [egg_info.writers]
+ dependency_links.txt = setuptools.command.egg_info:overwrite_arg
+ entry_points.txt = setuptools.command.egg_info:write_entries
+ requires.txt = setuptools.command.egg_info:write_requirements
+ """)
+
+
+def ensure_egg_info():
+ if os.path.exists('setuptools.egg-info'):
+ return
+ print("adding minimal entry_points")
+ build_egg_info()
+
+
+def build_egg_info():
+ """
+ Build a minimal egg-info, enough to invoke egg_info
+ """
+
+ os.mkdir('setuptools.egg-info')
+ with io.open('setuptools.egg-info/entry_points.txt', 'w') as ep:
+ ep.write(minimal_egg_info)
+
+
+def run_egg_info():
+ cmd = [sys.executable, 'setup.py', 'egg_info']
+ print("Regenerating egg_info")
+ subprocess.check_call(cmd)
+ print("...and again.")
+ subprocess.check_call(cmd)
+
+
+def main():
+ ensure_egg_info()
+ run_egg_info()
+
+
+__name__ == '__main__' and main()