Use fastentrypoints.py as workaround for slow start.

See pypa/setuptools#510
Addresses openknowledge-archive#23

MANIFEST.in

@@ -4,4 +4,5 @@ global-include *.txt
 include LICENSE
 include README.md
 include tox.ini
+include fastentrypoints.py
 recursive-include doc *

fastentrypoints.py

@@ -0,0 +1,42 @@
+'''
+Monkey patch setuptools to write faster console_scripts with this format:
+
+    from mymodule import entry_function
+    entry_function()
+
+This is better.
+'''
+from setuptools.command import easy_install
+
+
+@classmethod
+def get_args(cls, dist, header=None):
+    """
+    Yield write_script() argument tuples for a distribution's
+    console_scripts and gui_scripts entry points.
+    """
+    template = 'import sys\nfrom {0} import {1}\nsys.exit({1}())'
+    if header is None:
+        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():
+            cls._ensure_safe_name(name)
+            script_text = template.format(
+                          ep.module_name, ep.attrs[0])
+            args = cls._get_script_args(type_, name, header, script_text)
+            for res in args:
+                yield res
+
+
+easy_install.ScriptWriter.get_args = get_args
+
+
+def main():
+    import shutil
+    import sys
+    dests = sys.argv[1:] if sys.argv[1:] else ['.']
+    print(__name__)
+    for dst in dests:
+        shutil.copy(__file__, dst)

setup.py

@@ -3,6 +3,11 @@
 from os.path import join, dirname
 
 import dpm
+
+# Workaround for slow entry points https://github.com/pypa/setuptools/issues/510
+# Taken from https://github.com/ninjaaron/fast-entry_points
+import fastentrypoints
+
 from setuptools import setup, find_packages