File python37.patch of Package python-Twisted

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File python37.patch of Package python-Twisted (Revision 82c83a93afb30f607e656614b9b68429)

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diff -up Twisted-18.4.0/src/twisted/conch/manhole.py.966 Twisted-18.4.0/src/twisted/conch/manhole.py
--- Twisted-18.4.0/src/twisted/conch/manhole.py.966	2018-03-26 10:19:31.000000000 +0200
+++ Twisted-18.4.0/src/twisted/conch/manhole.py	2018-06-30 11:33:16.703721804 +0200
@@ -19,9 +19,11 @@ from io import BytesIO
 from twisted.conch import recvline
 
 from twisted.internet import defer
-from twisted.python.compat import _tokenize
+from twisted.python.compat import _tokenize, _get_async_param
 from twisted.python.htmlizer import TokenPrinter
 
+
+
 class FileWrapper:
     """
     Minimal write-file-like object.
@@ -151,8 +153,9 @@ class ManholeInterpreter(code.Interactiv
         return failure
 
 
-    def write(self, data, async=False):
-        self.handler.addOutput(data, async)
+    def write(self, data, isAsync=None, **kwargs):
+        isAsync = _get_async_param(isAsync, **kwargs)
+        self.handler.addOutput(data, isAsync)
 
 
 
@@ -237,14 +240,16 @@ class Manhole(recvline.HistoricRecvLine)
         return not w.endswith(b'\n') and not w.endswith(b'\x1bE')
 
 
-    def addOutput(self, data, async=False):
-        if async:
+    def addOutput(self, data, isAsync=None, **kwargs):
+        isAsync = _get_async_param(isAsync, **kwargs)
+        if isAsync:
             self.terminal.eraseLine()
-            self.terminal.cursorBackward(len(self.lineBuffer) + len(self.ps[self.pn]))
+            self.terminal.cursorBackward(len(self.lineBuffer) +
+                                         len(self.ps[self.pn]))
 
         self.terminal.write(data)
 
-        if async:
+        if isAsync:
             if self._needsNewline():
                 self.terminal.nextLine()
 
diff -up Twisted-18.4.0/src/twisted/mail/imap4.py.966 Twisted-18.4.0/src/twisted/mail/imap4.py
--- Twisted-18.4.0/src/twisted/mail/imap4.py.966	2018-03-26 10:19:31.000000000 +0200
+++ Twisted-18.4.0/src/twisted/mail/imap4.py	2018-06-30 11:33:16.704721802 +0200
@@ -42,7 +42,7 @@ from twisted.python.compat import (
     _bytesChr, unichr as chr, _b64decodebytes as decodebytes,
     _b64encodebytes as encodebytes,
     intToBytes, iterbytes, long, nativeString, networkString, unicode,
-    _matchingString, _PY3
+    _matchingString, _PY3, _get_async_param,
 )
 from twisted.internet import interfaces
 
@@ -1090,8 +1090,9 @@ class IMAP4Server(basic.LineReceiver, po
         self._respond(b'NO', tag, message)
 
 
-    def sendUntaggedResponse(self, message, async=False):
-        if not async or (self.blocked is None):
+    def sendUntaggedResponse(self, message, isAsync=None, **kwargs):
+        isAsync = _get_async_param(isAsync, **kwargs)
+        if not isAsync or (self.blocked is None):
             self._respond(message, None, None)
         else:
             self._queuedAsync.append(message)
@@ -2497,25 +2498,28 @@ class IMAP4Server(basic.LineReceiver, po
     #
     def modeChanged(self, writeable):
         if writeable:
-            self.sendUntaggedResponse(message=b'[READ-WRITE]', async=True)
+            self.sendUntaggedResponse(message=b'[READ-WRITE]', isAsync=True)
         else:
-            self.sendUntaggedResponse(message=b'[READ-ONLY]', async=True)
+            self.sendUntaggedResponse(message=b'[READ-ONLY]', isAsync=True)
 
 
     def flagsChanged(self, newFlags):
         for (mId, flags) in newFlags.items():
             encodedFlags = [networkString(flag) for flag in flags]
             msg = intToBytes(mId) + (
-                b' FETCH (FLAGS (' +b' '.join(encodedFlags) + b'))'
+                b' FETCH (FLAGS (' + b' '.join(encodedFlags) + b'))'
             )
-            self.sendUntaggedResponse(msg, async=True)
+            self.sendUntaggedResponse(msg, isAsync=True)
 
 
     def newMessages(self, exists, recent):
         if exists is not None:
-            self.sendUntaggedResponse(intToBytes(exists) + b' EXISTS', async=True)
+            self.sendUntaggedResponse(
+                intToBytes(exists) + b' EXISTS', isAsync=True)
         if recent is not None:
-            self.sendUntaggedResponse(intToBytes(recent) + b' RECENT', async=True)
+            self.sendUntaggedResponse(
+                intToBytes(recent) + b' RECENT', isAsync=True)
+
 
 
 TIMEOUT_ERROR = error.TimeoutError()
diff -up Twisted-18.4.0/src/twisted/newsfragments/9384.bugfix.966 Twisted-18.4.0/src/twisted/newsfragments/9384.bugfix
--- Twisted-18.4.0/src/twisted/newsfragments/9384.bugfix.966	2018-06-30 11:33:16.682721845 +0200
+++ Twisted-18.4.0/src/twisted/newsfragments/9384.bugfix	2018-06-30 11:33:16.706721798 +0200
@@ -0,0 +1,2 @@
+Syntax error under Python 3.7 fixed for twisted.conch.manhole and
+twisted.main.imap4.
diff -up Twisted-18.4.0/src/twisted/newsfragments/9384.removal.966 Twisted-18.4.0/src/twisted/newsfragments/9384.removal
--- Twisted-18.4.0/src/twisted/newsfragments/9384.removal.966	2018-06-30 11:33:16.706721798 +0200
+++ Twisted-18.4.0/src/twisted/newsfragments/9384.removal	2018-06-30 11:33:16.706721798 +0200
@@ -0,0 +1,4 @@
+async keyword argument is deprecated in twisted.conch.manhole
+(ManholeInterpreter.write and Manhole.add) and in
+twisted.main.imap4.IMAP4Server.sendUntaggedResponse,
+isAsync keyword argument is introduced instead.
diff -up Twisted-18.4.0/src/twisted/python/compat.py.966 Twisted-18.4.0/src/twisted/python/compat.py
--- Twisted-18.4.0/src/twisted/python/compat.py.966	2018-04-13 15:15:32.000000000 +0200
+++ Twisted-18.4.0/src/twisted/python/compat.py	2018-06-30 11:33:16.704721802 +0200
@@ -31,6 +31,7 @@ import struct
 import sys
 import tokenize
 from types import MethodType as _MethodType
+import warnings
 
 from io import TextIOBase, IOBase
 
@@ -833,6 +834,34 @@ except ImportError:
     from collections import Sequence
 
 
+def _get_async_param(isAsync=None, **kwargs):
+    """
+    Provide a backwards-compatible way to get async param value that does not
+    cause a syntax error under Python 3.7.
+
+    @param isAsync: isAsync param value (should default to None)
+    @type isAsync: L{bool}
+
+    @param kwargs: keyword arguments of the caller (only async is allowed)
+    @type kwargs: L{dict}
+
+    @raise TypeError: Both isAsync and async specified.
+
+    @return: Final isAsync param value
+    @rtype: L{bool}
+    """
+    if 'async' in kwargs:
+        warnings.warn(
+            "'async' keyword argument is deprecated, please use isAsync",
+            DeprecationWarning, stacklevel=2)
+    if isAsync is None and 'async' in kwargs:
+        isAsync = kwargs.pop('async')
+    if kwargs:
+        raise TypeError
+    return bool(isAsync)
+
+
+
 __all__ = [
     "reraise",
     "execfile",
diff -up Twisted-18.4.0/src/twisted/test/test_compat.py.966 Twisted-18.4.0/src/twisted/test/test_compat.py
--- Twisted-18.4.0/src/twisted/test/test_compat.py.966	2018-03-26 10:19:31.000000000 +0200
+++ Twisted-18.4.0/src/twisted/test/test_compat.py	2018-06-30 11:33:16.706721798 +0200
@@ -16,7 +16,7 @@ from twisted.python.compat import (
     reduce, execfile, _PY3, _PYPY, comparable, cmp, nativeString,
     networkString, unicode as unicodeCompat, lazyByteSlice, reraise,
     NativeStringIO, iterbytes, intToBytes, ioType, bytesEnviron, iteritems,
-    _coercedUnicode, unichr, raw_input, _bytesRepr
+    _coercedUnicode, unichr, raw_input, _bytesRepr, _get_async_param,
 )
 from twisted.python.filepath import FilePath
 from twisted.python.runtime import platform
@@ -921,3 +921,37 @@ class FutureBytesReprTests(unittest.Test
         ``b`` to the returned repr on both Python 2 and 3.
         """
         self.assertEqual(_bytesRepr(b'\x00'), "b'\\x00'")
+
+
+
+class GetAsyncParamTests(unittest.SynchronousTestCase):
+    """
+    Tests for L{twisted.python.compat._get_async_param}
+    """
+
+    def test_get_async_param(self):
+        """
+        L{twisted.python.compat._get_async_param} uses isAsync by default,
+        or deprecated async keyword argument if isAsync is None.
+        """
+        self.assertEqual(_get_async_param(isAsync=False), False)
+        self.assertEqual(_get_async_param(isAsync=True), True)
+        self.assertEqual(
+            _get_async_param(isAsync=None, **{'async': False}), False)
+        self.assertEqual(
+            _get_async_param(isAsync=None, **{'async': True}), True)
+        self.assertRaises(TypeError, _get_async_param, False, {'async': False})
+
+
+    def test_get_async_param_deprecation(self):
+        """
+        L{twisted.python.compat._get_async_param} raises a deprecation
+        warning if async keyword argument is passed.
+        """
+        self.assertEqual(
+            _get_async_param(isAsync=None, **{'async': False}), False)
+        currentWarnings = self.flushWarnings(
+            offendingFunctions=[self.test_get_async_param_deprecation])
+        self.assertEqual(
+            currentWarnings[0]['message'],
+            "'async' keyword argument is deprecated, please use isAsync")

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File python37.patch of Package python-Twisted (Revision 82c83a93afb30f607e656614b9b68429)

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