fix green package not to use absolute_import and otherwise be nice on 2.4

eventlet/green/BaseHTTPServer.py

@@ -1,10 +1,12 @@
-from __future__ import absolute_import
 import sys
 from eventlet.green import socket
 from eventlet.green import SocketServer
 
-from BaseHTTPServer import (DEFAULT_ERROR_MESSAGE, _quote_html, __version__, __all__,
-                            BaseHTTPRequestHandler as __BaseHTTPRequestHandler)
+__import_lst = ['DEFAULT_ERROR_MESSAGE', '_quote_html', '__version__', '__all__', 'BaseHTTPRequestHandler']
+__BaseHTTPServer = __import__('BaseHTTPServer')
+for var in __import_lst:
+    exec "%s = __BaseHTTPServer.%s" % (var, var)
+
 
 class HTTPServer(SocketServer.TCPServer):
 
@@ -18,7 +20,7 @@ class HTTPServer(SocketServer.TCPServer):
         self.server_port = port
 
 
-class BaseHTTPRequestHandler(__BaseHTTPRequestHandler):
+class BaseHTTPRequestHandler(BaseHTTPRequestHandler):
 
    def address_string(self):
         host, port = self.client_address[:2]

eventlet/green/SocketServer.py

@@ -1,13 +1,15 @@
-from __future__ import absolute_import
-from SocketServer import (__all__, __version__, BaseServer, TCPServer as __TCPServer,
-                          UDPServer as __UDPServer, ForkingMixIn, ThreadingMixIn as __ThreadingMixIn,
-                          BaseRequestHandler, StreamRequestHandler, DatagramRequestHandler)
+__import_lst = ['__all__', '__version__', 'BaseServer', 'TCPServer', 'UDPServer', 'ForkingMixIn',
+                'ThreadingMixIn', 'BaseRequestHandler', 'StreamRequestHandler', 'DatagramRequestHandler']
+__SocketServer = __import__('SocketServer')
+for var in __import_lst:
+    exec "%s = __SocketServer.%s" % (var, var)
+
 
 # QQQ ForkingMixIn should be fixed to use green waitpid?
 
 from eventlet.green import socket
 
-class TCPServer(__TCPServer):
+class TCPServer(TCPServer):
 
     def __init__(self, server_address, RequestHandlerClass):
         """Constructor.  May be extended, do not override."""
@@ -17,7 +19,7 @@ class TCPServer(__TCPServer):
         self.server_bind()
         self.server_activate()
 
-class UDPServer(__UDPServer):
+class UDPServer(UDPServer):
 
     def __init__(self, server_address, RequestHandlerClass):
         """Constructor.  May be extended, do not override."""
@@ -27,7 +29,7 @@ class UDPServer(__UDPServer):
         self.server_bind()
         self.server_activate()
 
-class ThreadingMixIn(__ThreadingMixIn):
+class ThreadingMixIn(ThreadingMixIn):
 
     def process_request(self, request, client_address):
         """Start a new thread to process the request."""

eventlet/green/select.py

@@ -1,3 +1,5 @@
-from __future__ import absolute_import
-from select import *
+__select = __import__('select')
+for var in dir(__select):
+    exec "%s = __select.%s" % (var, var)
 from eventlet.api import select
+del poll

eventlet/green/socket.py

@@ -1,7 +1,6 @@
-from __future__ import absolute_import
-import socket
-import socket as __socket
-from socket import *
+__socket = __import__('socket')
+for var in __socket.__all__:
+    exec "%s = __socket.%s" % (var, var)
 _fileobject = __socket._fileobject
 
 from eventlet.api import get_hub

eventlet/green/thread.py

@@ -1,11 +1,10 @@
 """implements standard module 'thread' with greenlets"""
-from __future__ import absolute_import
-import thread as thread_module
+__thread = __import__('thread')
 from eventlet.support import greenlets as greenlet
 from eventlet.api import spawn
 from eventlet.coros import Semaphore as LockType
 
-error = thread_module.error
+error = __thread.error
 
 def get_ident(gr=None):
     if gr is None:
@@ -23,13 +22,14 @@ def allocate_lock():
 def exit():
     raise greenlet.GreenletExit
 
-def stack_size(size=None):
-    if size is None:
-        return thread_module.stack_size()
-    if size > thread_module.stack_size():
-        return thread_module.stack_size(size)
-    else:
-        pass
-        # not going to decrease stack_size, because otherwise other greenlets in this thread will suffer
+if hasattr(__thread, 'stack_size'):
+    def stack_size(size=None):
+        if size is None:
+            return __thread.stack_size()
+        if size > __thread.stack_size():
+            return __thread.stack_size(size)
+        else:
+            pass
+            # not going to decrease stack_size, because otherwise other greenlets in this thread will suffer
 
 # XXX interrupt_main

eventlet/green/threading.py

@@ -9,7 +9,7 @@ from collections import deque
 # Rename some stuff so "from threading import *" is safe
 __all__ = ['activeCount', 'Condition', 'currentThread', 'enumerate', 'Event',
            'Lock', 'RLock', 'Semaphore', 'BoundedSemaphore', 'Thread',
-           'Timer', 'setprofile', 'settrace', 'local', 'stack_size']
+           'Timer', 'setprofile', 'settrace', 'local']
 
 _start_new_thread = thread.start_new_thread
 _allocate_lock = thread.allocate_lock
@@ -743,7 +743,11 @@ def enumerate():
     _active_limbo_lock.release()
     return active
 
-from thread import stack_size
+try:
+    from thread import stack_size
+    __all__.append('stack_size')
+except ImportError:
+    pass
 
 # Create the main thread object,
 # and make it available for the interpreter

eventlet/green/time.py

@@ -1,7 +1,4 @@
-from __future__ import absolute_import
-from time import *
+__time = __import__('time')
+for var in dir(__time):
+    exec "%s = __time.%s" % (var, var)
 from eventlet.api import sleep
-
-def _install():
-    import time
-    time.sleep = sleep

eventlet/green/urllib.py

@@ -1,16 +1,19 @@
-from __future__ import absolute_import
-import urllib
-from urllib import *
+urllib = __import__('urllib')
+for var in dir(urllib):
+    exec "%s = urllib.%s" % (var, var)
 
 # import the following to be a better drop-in replacement
-from urllib import (__all__, __version__, MAXFTPCACHE, ContentTooShortError,
-                    ftpcache, _noheaders, noheaders, addbase, addclosehook,
-                    addinfo, addinfourl, _is_unicode, toBytes, _hextochr,
-                    always_safe, getproxies_environment, proxy_bypass)
+__import_lst = ['__all__', '__version__', 'MAXFTPCACHE', 'ContentTooShortError',
+                'ftpcache', '_noheaders', 'noheaders', 'addbase', 'addclosehook',
+                'addinfo', 'addinfourl', '_is_unicode', 'toBytes', '_hextochr',
+                'always_safe', 'getproxies_environment', 'proxy_bypass']
+
+for var in __import_lst:
+    exec "%s = urllib.%s" % (var, var)
 
 from eventlet.green import socket
 import os
-import time
+from eventlet.green import time
 import sys
 from urlparse import urljoin as basejoin
 

eventlet/green/urllib2.py

@@ -1,11 +1,12 @@
-from __future__ import absolute_import
+urllib2 = __import__('urllib2')
+for var in dir(urllib2):
+    exec "%s = urllib2.%s" % (var, var)
 
-# XXX blocking builtin open() is used in randombytes()
-# AbstractHTTPHandler uses socket.error and socket._fileobject but that's OK
-# as long as evenlet.green.socket imports them, does not reimplement them
-import urllib2
-from urllib2 import *
-from urllib2 import __version__, _cut_port_re, _parse_proxy
+# import the following to be a better drop-in replacement
+__import_lst = ['__version__', '__cut_port_re', '_parse_proxy']
+
+for var in __import_lst:
+    exec "%s = getattr(urllib2, %r, None)" % (var, var)
 
 del (urlopen, install_opener, build_opener, HTTPHandler, HTTPSHandler,
      HTTPCookieProcessor, FileHandler, FTPHandler, CacheFTPHandler, GopherError)