Changes to support 2.x and 3.x in the same codebase.

--HG--
branch : distribute
extra : rebase_source : 7d3608edee54a43789f0574d702fb839628b5071

1 files changed, 73 insertions, 0 deletions

diff --git a/setuptools/compat.py b/setuptools/compat.py
new file mode 100644
index 00000000..dfbb314d
--- /dev/null
+++ b/setuptools/compat.py
@@ -0,0 +1,73 @@
+import sys
+
+if sys.version_info[0] < 3:
+    PY3 = False
+
+    basestring = basestring
+    import __builtin__ as builtins
+    import ConfigParser
+    from cStringIO import StringIO
+    BytesIO = StringIO
+    execfile = execfile
+    func_code = lambda o: o.func_code
+    func_globals = lambda o: o.func_globals
+    im_func = lambda o: o.im_func
+    from htmlentitydefs import name2codepoint
+    import httplib
+    from BaseHTTPServer import HTTPServer
+    from SimpleHTTPServer import SimpleHTTPRequestHandler
+    iteritems = lambda o: o.iteritems
+    long_type = long
+    maxsize = sys.maxint
+    next = lambda o: o.next()
+    numeric_types = (int, long, float)
+    reduce = reduce
+    unichr = unichr
+    unicode = unicode
+    from urllib import url2pathname
+    import urllib2
+    from urllib2 import urlopen, HTTPError, URLError, unquote, splituser
+    from urlparse import urlparse, urlunparse, urljoin
+    xrange = xrange
+
+    def exec_(code, globs=None, locs=None):
+        if globs is None:
+            frame = sys._getframe(1)
+            globs = frame.f_globals
+            if locs is None:
+                locs = frame.f_locals
+            del frame
+        elif locs is None:
+            locs = globs
+        exec("""exec code in globs, locs""")
+
+else:
+    PY3 = True
+
+    basestring = str
+    import builtins
+    import configparser as ConfigParser
+    exec_ = eval('exec')
+    from io import StringIO, BytesIO
+    func_code = lambda o: o.__code__
+    func_globals = lambda o: o.__globals__
+    im_func = lambda o: o.__func__
+    from html.entities import name2codepoint
+    import http.client as httplib
+    from http.server import HTTPServer, SimpleHTTPRequestHandler
+    iteritems = lambda o: o.items
+    long_type = int
+    maxsize = sys.maxsize
+    next = next
+    numeric_types = (int, float)
+    from functools import reduce
+    unichr = chr
+    unicode = str
+    from urllib.error import HTTPError, URLError
+    import urllib.request as urllib2
+    from urllib.request import urlopen, url2pathname
+    from urllib.parse import urlparse, urlunparse, unquote, splituser, urljoin
+    xrange = range
+
+    def execfile(fn, globs, locs):
+        exec_(compile(open(fn).read(), fn, 'exec'), globs, locs)