make pypiserver run on python 3.x

unfortunately the tests do not work, since twill isn't ported yet.

pypiserver/core.py

@@ -172,7 +172,7 @@ def bad_url(prefix):
 
 
 def usage():
-    print """pypi-server [OPTIONS] [PACKAGES_DIRECTORY]
+    sys.stdout.write("""pypi-server [OPTIONS] [PACKAGES_DIRECTORY]
   start PyPI compatible package server serving packages from
   PACKAGES_DIRECTORY. If PACKAGES_DIRECTORY is not given on the
   command line, it uses the default ~/packages.  pypiserver scans this
@@ -226,7 +226,7 @@ The following additional options can be specified with -U:
     allow updating to unstable version (alpha, beta, rc, dev versions)
 
 Visit http://pypi.python.org/pypi/pypiserver for more information.
-"""
+""")
 
 
 def main(argv=None):
@@ -262,7 +262,7 @@ def main(argv=None):
                 sys.exit("unknown server %r. choose one of %s" % (v, ", ".join(server_names.keys())))
             server = v
         elif k == "--version":
-            print "pypiserver %s" % __version__
+            sys.stdout.write("pypiserver %s\n" % __version__)
             sys.exit(0)
         elif k == "-U":
             command = "update"
@@ -297,8 +297,7 @@ def main(argv=None):
 
     server = server or "auto"
     debug(True)
-    print "This is pypiserver %s serving %r on %s:%s" % (__version__, root, host, port)
-    print
+    sys.stdout.write("This is pypiserver %s serving %r on %s:%s\n\n" % (__version__, root, host, port))
     run(host=host, port=port, server=server)
 
 

pypiserver/manage.py

@@ -47,7 +47,7 @@ def find_updates(pkgset, stable_only=True):
 
     need_update = []
 
-    print "checking %s packages for newer version" % len(pkgname2latest),
+    sys.stdout.write("checking %s packages for newer version\n" % len(pkgname2latest),)
     for count, (pkgname, file) in enumerate(pkgname2latest.items()):
         if count % 40 == 0:
             write("\n")
@@ -76,21 +76,20 @@ def find_updates(pkgset, stable_only=True):
 
     no_releases = list(no_releases)
     no_releases.sort()
-    print "no releases found on pypi for", ", ".join(no_releases)
-    print
+    sys.stdout.write("no releases found on pypi for " + ", ".join(no_releases) + "\n\n")
     return need_update
 
 
 def update(pkgset, destdir=None, dry_run=False, stable_only=True):
     need_update = find_updates(pkgset, stable_only=stable_only)
     for x in need_update:
-        print "# update", x.pkgname, "from", x.version, "to", x.latest_version
+        sys.stdout.write("# update " + x.pkgname + " from " + x.version + "to" + x.latest_version + "\n")
 
         cmd = ["pip", "-q", "install", "-i", "http://pypi.python.org/simple",
                "-d", destdir or os.path.dirname(os.path.join(pkgset.root, x.path)),
                "%s==%s" % (x.pkgname, x.latest_version)]
-        print " ".join(cmd)
-        print
+
+        sys.stdout.write(" ".join(cmd) + "\n\n")
         if not dry_run:
             os.spawnlp(os.P_WAIT, cmd[0], *cmd)
 

setup.py

@@ -1,13 +1,27 @@
 #! /usr/bin/env python
 
-import os
-from distutils.core import setup
+import sys, os
+extrakw = {}
+
+try:
+    from setuptools import setup
+    extrakw["use_2to3"] = True
+except ImportError:
+    if sys.version_info >= (3, 0):
+        raise
+    from distutils.core import setup
+
+
+if sys.version_info >= (3, 0):
+    exec("def do_exec(co, loc): exec(co, loc)\n")
+else:
+    exec("def do_exec(co, loc): exec co in loc\n")
 
 
 def get_version():
     d = {}
     try:
-        execfile("pypiserver/__init__.py", d, d)
+        do_exec(open("pypiserver/__init__.py").read(), d)
     except (ImportError, RuntimeError):
         pass
     return d["__version__"]
@@ -38,4 +52,5 @@ setup(name="pypiserver",
         "Programming Language :: Python :: 2.6",
         "Programming Language :: Python :: 2.7",
         "Topic :: Software Development :: Build Tools",
-        "Topic :: System :: Software Distribution"])
+        "Topic :: System :: Software Distribution"],
+      **extrakw)