Drop support for EOL Python 3.2 and 3.3 (#1839)

.pylintrc

@@ -8,7 +8,6 @@ ignore=
     _compat.py,
     argparse_compat.py,
     six.py,
-    selectors.py,
     _gaiohttp.py,
 
 [MESSAGES CONTROL]

NOTICE

@@ -122,56 +122,3 @@ util/unlink.py
 --------------
 
 backport frop python3 Lib/test/support.py
-
-
-gunicorn/selectors.py
----------------------
-Copyright (c) 2001-2016 Python Software Foundation; All Rights Reserved
-
-PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
---------------------------------------------
-
-1. This LICENSE AGREEMENT is between the Python Software Foundation
-("PSF"), and the Individual or Organization ("Licensee") accessing and
-otherwise using this software ("Python") in source or binary form and
-its associated documentation.
-
-2. Subject to the terms and conditions of this License Agreement, PSF hereby
-grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
-analyze, test, perform and/or display publicly, prepare derivative works,
-distribute, and otherwise use Python alone or in any derivative version,
-provided, however, that PSF's License Agreement and PSF's notice of copyright,
-i.e., "Copyright (c) 2001-2016 Python Software Foundation; All Rights
-Reserved" are retained in Python alone or in any derivative version prepared
-by Licensee.
-
-3. In the event Licensee prepares a derivative work that is based on
-or incorporates Python or any part thereof, and wants to make
-the derivative work available to others as provided herein, then
-Licensee hereby agrees to include in any such work a brief summary of
-the changes made to Python.
-
-4. PSF is making Python available to Licensee on an "AS IS"
-basis.  PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
-IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
-DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
-FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
-INFRINGE ANY THIRD PARTY RIGHTS.
-
-5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
-FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
-A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
-OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
-
-6. This License Agreement will automatically terminate upon a material
-breach of its terms and conditions.
-
-7. Nothing in this License Agreement shall be deemed to create any
-relationship of agency, partnership, or joint venture between PSF and
-Licensee.  This License Agreement does not grant permission to use PSF
-trademarks or trade name in a trademark sense to endorse or promote
-products or services of Licensee, or any third party.
-
-8. By copying, installing or otherwise using Python, Licensee
-agrees to be bound by the terms and conditions of this License
-Agreement.

README.rst

@@ -28,7 +28,7 @@ The documentation is hosted at http://docs.gunicorn.org.
 Installation
 ------------
 
-Gunicorn requires **Python 2.x >= 2.6** or **Python 3.x >= 3.2**.
+Gunicorn requires **Python 2.x >= 2.6** or **Python 3.x >= 3.4**.
 
 Install from PyPI::
 

docs/source/index.rst

@@ -23,7 +23,7 @@ Features
 * Simple Python configuration
 * Multiple worker configurations
 * Various server hooks for extensibility
-* Compatible with Python 2.x >= 2.6 or 3.x >= 3.2
+* Compatible with Python 2.x >= 2.6 or 3.x >= 3.4
 
 
 Contents

docs/source/install.rst

@@ -4,7 +4,7 @@ Installation
 
 .. highlight:: bash
 
-:Requirements: **Python 2.x >= 2.6** or **Python 3.x >= 3.2**
+:Requirements: **Python 2.x >= 2.6** or **Python 3.x >= 3.4**
 
 To install the latest released version of Gunicorn::
 

gunicorn/_compat.py

@@ -3,7 +3,6 @@
 from gunicorn import six
 
 PY26 = (sys.version_info[:2] == (2, 6))
-PY33 = (sys.version_info >= (3, 3))
 
 
 def _check_if_pyc(fname):
@@ -110,95 +109,6 @@ def _wrap_error(exc, mapping, key):
     six.reraise(new_err_cls, new_err,
                 exc.__traceback__ if hasattr(exc, '__traceback__') else sys.exc_info()[2])
 
-if PY33:
-    import builtins
-
-    BlockingIOError = builtins.BlockingIOError
-    BrokenPipeError = builtins.BrokenPipeError
-    ChildProcessError = builtins.ChildProcessError
-    ConnectionRefusedError = builtins.ConnectionRefusedError
-    ConnectionResetError = builtins.ConnectionResetError
-    InterruptedError = builtins.InterruptedError
-    ConnectionAbortedError = builtins.ConnectionAbortedError
-    PermissionError = builtins.PermissionError
-    FileNotFoundError = builtins.FileNotFoundError
-    ProcessLookupError = builtins.ProcessLookupError
-
-    def wrap_error(func, *args, **kw):
-        return func(*args, **kw)
-else:
-    import errno
-    import select
-    import socket
-
-    class BlockingIOError(OSError):
-        pass
-
-    class BrokenPipeError(OSError):
-        pass
-
-    class ChildProcessError(OSError):
-        pass
-
-    class ConnectionRefusedError(OSError):
-        pass
-
-    class InterruptedError(OSError):
-        pass
-
-    class ConnectionResetError(OSError):
-        pass
-
-    class ConnectionAbortedError(OSError):
-        pass
-
-    class PermissionError(OSError):
-        pass
-
-    class FileNotFoundError(OSError):
-        pass
-
-    class ProcessLookupError(OSError):
-        pass
-
-    _MAP_ERRNO = {
-        errno.EACCES: PermissionError,
-        errno.EAGAIN: BlockingIOError,
-        errno.EALREADY: BlockingIOError,
-        errno.ECHILD: ChildProcessError,
-        errno.ECONNABORTED: ConnectionAbortedError,
-        errno.ECONNREFUSED: ConnectionRefusedError,
-        errno.ECONNRESET: ConnectionResetError,
-        errno.EINPROGRESS: BlockingIOError,
-        errno.EINTR: InterruptedError,
-        errno.ENOENT: FileNotFoundError,
-        errno.EPERM: PermissionError,
-        errno.EPIPE: BrokenPipeError,
-        errno.ESHUTDOWN: BrokenPipeError,
-        errno.EWOULDBLOCK: BlockingIOError,
-        errno.ESRCH: ProcessLookupError,
-    }
-
-    def wrap_error(func, *args, **kw):
-        """
-        Wrap socket.error, IOError, OSError, select.error to raise new specialized
-        exceptions of Python 3.3 like InterruptedError (PEP 3151).
-        """
-        try:
-            return func(*args, **kw)
-        except (socket.error, IOError, OSError) as exc:
-            if hasattr(exc, 'winerror'):
-                _wrap_error(exc, _MAP_ERRNO, exc.winerror)
-                # _MAP_ERRNO does not contain all Windows errors.
-                # For some errors like "file not found", exc.errno should
-                # be used (ex: ENOENT).
-            _wrap_error(exc, _MAP_ERRNO, exc.errno)
-            raise
-        except select.error as exc:
-            if exc.args:
-                _wrap_error(exc, _MAP_ERRNO, exc.args[0])
-            raise
-
 if PY26:
     from urlparse import (
         _parse_cache, MAX_CACHE_SIZE, clear_cache, _splitnetloc, SplitResult,