mirror of https://github.com/python/cpython
merge 3.3
This commit is contained in:
Giampaolo Rodola'
commit
8286951f57
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@ -1832,6 +1832,15 @@ Deprecated Python modules, functions and methods
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* :class:`abc.abstractstaticmethod` has been deprecated, use
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:class:`staticmethod` with :func:`abc.abstractmethod` instead.
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* :mod:`imoprtlib` package:
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* :meth:`importlib.abc.SourceLoader.path_mtime` is now deprecated in favour of
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:meth:`importlib.abc.SourceLoader.path_stats` as bytecode files now store
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both the modification time and size of the source file the bytecode file was
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compiled from.
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Deprecated functions and types of the C API
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@ -1963,11 +1972,6 @@ Porting Python code
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:attr:`sys.path_importer_cache` where it repesents the use of implicit
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finders, but semantically it should not change anything.
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* :meth:`importlib.abc.SourceLoader.path_mtime` is now deprecated in favour of
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:meth:`importlib.abc.SourceLoader.path_stats` as bytecode files now store
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both the modification time and size of the source file the bytecode file was
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compiled from.
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* :class:`importlib.abc.Finder` no longer specifies a `find_module()` abstract
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method that must be implemented. If you were relying on subclasses to
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implement that method, make sure to check for the method's existence first.
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@ -208,6 +208,9 @@ class Mailbox:
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raise ValueError("String input must be ASCII-only; "
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"use bytes or a Message instead")
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# Whether each message must end in a newline
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_append_newline = False
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def _dump_message(self, message, target, mangle_from_=False):
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# This assumes the target file is open in binary mode.
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"""Dump message contents to target file."""
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@ -219,6 +222,9 @@ class Mailbox:
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data = buffer.read()
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data = data.replace(b'\n', linesep)
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target.write(data)
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if self._append_newline and not data.endswith(linesep):
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# Make sure the message ends with a newline
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target.write(linesep)
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elif isinstance(message, (str, bytes, io.StringIO)):
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if isinstance(message, io.StringIO):
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warnings.warn("Use of StringIO input is deprecated, "
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@ -230,11 +236,15 @@ class Mailbox:
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message = message.replace(b'\nFrom ', b'\n>From ')
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message = message.replace(b'\n', linesep)
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target.write(message)
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if self._append_newline and not message.endswith(linesep):
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# Make sure the message ends with a newline
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target.write(linesep)
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elif hasattr(message, 'read'):
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if hasattr(message, 'buffer'):
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warnings.warn("Use of text mode files is deprecated, "
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"use a binary mode file instead", DeprecationWarning, 3)
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message = message.buffer
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lastline = None
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while True:
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line = message.readline()
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# Universal newline support.
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@ -248,6 +258,10 @@ class Mailbox:
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line = b'>From ' + line[5:]
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line = line.replace(b'\n', linesep)
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target.write(line)
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lastline = line
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if self._append_newline and lastline and not lastline.endswith(linesep):
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# Make sure the message ends with a newline
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target.write(linesep)
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else:
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raise TypeError('Invalid message type: %s' % type(message))
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@ -833,30 +847,48 @@ class mbox(_mboxMMDF):
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_mangle_from_ = True
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# All messages must end in a newline character, and
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# _post_message_hooks outputs an empty line between messages.
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_append_newline = True
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def __init__(self, path, factory=None, create=True):
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"""Initialize an mbox mailbox."""
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self._message_factory = mboxMessage
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_mboxMMDF.__init__(self, path, factory, create)
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def _pre_message_hook(self, f):
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"""Called before writing each message to file f."""
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if f.tell() != 0:
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f.write(linesep)
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def _post_message_hook(self, f):
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"""Called after writing each message to file f."""
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f.write(linesep)
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def _generate_toc(self):
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"""Generate key-to-(start, stop) table of contents."""
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starts, stops = [], []
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last_was_empty = False
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self._file.seek(0)
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while True:
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line_pos = self._file.tell()
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line = self._file.readline()
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if line.startswith(b'From '):
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if len(stops) < len(starts):
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stops.append(line_pos - len(linesep))
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if last_was_empty:
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stops.append(line_pos - len(linesep))
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else:
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# The last line before the "From " line wasn't
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# blank, but we consider it a start of a
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# message anyway.
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stops.append(line_pos)
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starts.append(line_pos)
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last_was_empty = False
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elif not line:
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stops.append(line_pos)
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if last_was_empty:
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stops.append(line_pos - len(linesep))
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else:
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stops.append(line_pos)
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break
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elif line == linesep:
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last_was_empty = True
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else:
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last_was_empty = False
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self._toc = dict(enumerate(zip(starts, stops)))
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self._next_key = len(self._toc)
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self._file_length = self._file.tell()
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@ -53,7 +53,7 @@ class TestMailbox(TestBase):
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maxDiff = None
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_factory = None # Overridden by subclasses to reuse tests
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_template = 'From: foo\n\n%s'
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_template = 'From: foo\n\n%s\n'
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def setUp(self):
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self._path = support.TESTFN
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@ -232,7 +232,7 @@ class TestMailbox(TestBase):
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key0 = self._box.add(self._template % 0)
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msg = self._box.get(key0)
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self.assertEqual(msg['from'], 'foo')
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self.assertEqual(msg.get_payload(), '0')
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self.assertEqual(msg.get_payload(), '0\n')
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self.assertIs(self._box.get('foo'), None)
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self.assertIs(self._box.get('foo', False), False)
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self._box.close()
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@ -240,14 +240,14 @@ class TestMailbox(TestBase):
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key1 = self._box.add(self._template % 1)
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msg = self._box.get(key1)
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self.assertEqual(msg['from'], 'foo')
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self.assertEqual(msg.get_payload(), '1')
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self.assertEqual(msg.get_payload(), '1\n')
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def test_getitem(self):
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# Retrieve message using __getitem__()
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key0 = self._box.add(self._template % 0)
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msg = self._box[key0]
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self.assertEqual(msg['from'], 'foo')
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self.assertEqual(msg.get_payload(), '0')
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self.assertEqual(msg.get_payload(), '0\n')
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self.assertRaises(KeyError, lambda: self._box['foo'])
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self._box.discard(key0)
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self.assertRaises(KeyError, lambda: self._box[key0])
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@ -259,7 +259,7 @@ class TestMailbox(TestBase):
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msg0 = self._box.get_message(key0)
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self.assertIsInstance(msg0, mailbox.Message)
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self.assertEqual(msg0['from'], 'foo')
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self.assertEqual(msg0.get_payload(), '0')
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self.assertEqual(msg0.get_payload(), '0\n')
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self._check_sample(self._box.get_message(key1))
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def test_get_bytes(self):
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@ -432,15 +432,15 @@ class TestMailbox(TestBase):
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self.assertIn(key0, self._box)
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key1 = self._box.add(self._template % 1)
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self.assertIn(key1, self._box)
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self.assertEqual(self._box.pop(key0).get_payload(), '0')
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self.assertEqual(self._box.pop(key0).get_payload(), '0\n')
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self.assertNotIn(key0, self._box)
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self.assertIn(key1, self._box)
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key2 = self._box.add(self._template % 2)
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self.assertIn(key2, self._box)
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self.assertEqual(self._box.pop(key2).get_payload(), '2')
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self.assertEqual(self._box.pop(key2).get_payload(), '2\n')
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self.assertNotIn(key2, self._box)
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self.assertIn(key1, self._box)
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self.assertEqual(self._box.pop(key1).get_payload(), '1')
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self.assertEqual(self._box.pop(key1).get_payload(), '1\n')
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self.assertNotIn(key1, self._box)
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self.assertEqual(len(self._box), 0)
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@ -635,7 +635,7 @@ class TestMaildir(TestMailbox, unittest.TestCase):
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msg_returned = self._box.get_message(key)
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self.assertEqual(msg_returned.get_subdir(), 'new')
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self.assertEqual(msg_returned.get_flags(), '')
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self.assertEqual(msg_returned.get_payload(), '1')
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self.assertEqual(msg_returned.get_payload(), '1\n')
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msg2 = mailbox.MaildirMessage(self._template % 2)
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msg2.set_info('2,S')
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self._box[key] = msg2
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@ -643,7 +643,7 @@ class TestMaildir(TestMailbox, unittest.TestCase):
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msg_returned = self._box.get_message(key)
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self.assertEqual(msg_returned.get_subdir(), 'new')
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self.assertEqual(msg_returned.get_flags(), 'S')
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self.assertEqual(msg_returned.get_payload(), '3')
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self.assertEqual(msg_returned.get_payload(), '3\n')
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def test_consistent_factory(self):
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# Add a message.
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@ -996,20 +996,20 @@ class _TestMboxMMDF(_TestSingleFile):
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def test_add_from_string(self):
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# Add a string starting with 'From ' to the mailbox
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key = self._box.add('From foo@bar blah\nFrom: foo\n\n0')
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key = self._box.add('From foo@bar blah\nFrom: foo\n\n0\n')
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self.assertEqual(self._box[key].get_from(), 'foo@bar blah')
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self.assertEqual(self._box[key].get_payload(), '0')
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self.assertEqual(self._box[key].get_payload(), '0\n')
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def test_add_from_bytes(self):
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# Add a byte string starting with 'From ' to the mailbox
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key = self._box.add(b'From foo@bar blah\nFrom: foo\n\n0')
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key = self._box.add(b'From foo@bar blah\nFrom: foo\n\n0\n')
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self.assertEqual(self._box[key].get_from(), 'foo@bar blah')
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self.assertEqual(self._box[key].get_payload(), '0')
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self.assertEqual(self._box[key].get_payload(), '0\n')
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def test_add_mbox_or_mmdf_message(self):
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# Add an mboxMessage or MMDFMessage
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for class_ in (mailbox.mboxMessage, mailbox.MMDFMessage):
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msg = class_('From foo@bar blah\nFrom: foo\n\n0')
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msg = class_('From foo@bar blah\nFrom: foo\n\n0\n')
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key = self._box.add(msg)
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def test_open_close_open(self):
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@ -1116,6 +1116,29 @@ class TestMbox(_TestMboxMMDF, unittest.TestCase):
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perms = st.st_mode
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self.assertFalse((perms & 0o111)) # Execute bits should all be off.
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def test_terminating_newline(self):
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message = email.message.Message()
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message['From'] = 'john@example.com'
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message.set_payload('No newline at the end')
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i = self._box.add(message)
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# A newline should have been appended to the payload
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message = self._box.get(i)
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self.assertEqual(message.get_payload(), 'No newline at the end\n')
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def test_message_separator(self):
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# Check there's always a single blank line after each message
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self._box.add('From: foo\n\n0') # No newline at the end
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with open(self._path) as f:
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data = f.read()
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self.assertEqual(data[-3:], '0\n\n')
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self._box.add('From: foo\n\n0\n') # Newline at the end
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with open(self._path) as f:
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data = f.read()
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self.assertEqual(data[-3:], '0\n\n')
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class TestMMDF(_TestMboxMMDF, unittest.TestCase):
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_factory = lambda self, path, factory=None: mailbox.MMDF(path, factory)
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