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Dropped support for Python 2.3 and 2.4.

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1 parent fecdbf0 commit 3e7a7042dda4e8285c5959defba0eb3f6b681536 @xitology xitology committed May 30, 2011
Showing with 7 additions and 53 deletions.
  1. +1 −0 CHANGES
  2. +2 −0 announcement.msg
  3. +1 −10 lib/yaml/constructor.py
  4. +3 −38 lib/yaml/reader.py
  5. +0 −5 lib/yaml/representer.py
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@@ -8,6 +8,7 @@ For a complete Subversion changelog, see 'http://pyyaml.org/log/pyyaml'.
(Thank to olt(at)bogosoft(dot)com).
* Clear cyclic references in the parser and the emitter
(Thank to kristjan(at)ccpgames(dot)com).
+* Dropped support for Python 2.3 and 2.4.
3.09 (2009-08-31)
-----------------
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@@ -19,6 +19,8 @@ Changes
* Clear cyclic references in the parser and the emitter
(Thank to kristjan(at)ccpgames(dot)com).
* LibYAML bindings are rebuilt with the latest version of Cython.
+* Dropped support for Python 2.3 and 2.4; currently supported versions
+ are 2.5 to 3.2.
Resources
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@@ -7,11 +7,6 @@
import datetime
-try:
- set
-except NameError:
- from sets import Set as set
-
import binascii, re, sys, types
class ConstructorError(MarkedYAMLError):
@@ -502,11 +497,7 @@ def find_python_name(self, name, mark):
raise ConstructorError("while constructing a Python object", mark,
"expected non-empty name appended to the tag", mark)
if u'.' in name:
- # Python 2.4 only
- #module_name, object_name = name.rsplit('.', 1)
- items = name.split('.')
- object_name = items.pop()
- module_name = '.'.join(items)
+ module_name, object_name = name.rsplit('.', 1)
else:
module_name = '__builtin__'
object_name = name
View
@@ -21,41 +21,6 @@
import codecs, re
-# Unfortunately, codec functions in Python 2.3 does not support the `finish`
-# arguments, so we have to write our own wrappers.
-
-try:
- codecs.utf_8_decode('', 'strict', False)
- from codecs import utf_8_decode, utf_16_le_decode, utf_16_be_decode
-
-except TypeError:
-
- def utf_16_le_decode(data, errors, finish=False):
- if not finish and len(data) % 2 == 1:
- data = data[:-1]
- return codecs.utf_16_le_decode(data, errors)
-
- def utf_16_be_decode(data, errors, finish=False):
- if not finish and len(data) % 2 == 1:
- data = data[:-1]
- return codecs.utf_16_be_decode(data, errors)
-
- def utf_8_decode(data, errors, finish=False):
- if not finish:
- # We are trying to remove a possible incomplete multibyte character
- # from the suffix of the data.
- # The first byte of a multi-byte sequence is in the range 0xc0 to 0xfd.
- # All further bytes are in the range 0x80 to 0xbf.
- # UTF-8 encoded UCS characters may be up to six bytes long.
- count = 0
- while count < 5 and count < len(data) \
- and '\x80' <= data[-count-1] <= '\xBF':
- count -= 1
- if count < 5 and count < len(data) \
- and '\xC0' <= data[-count-1] <= '\xFD':
- data = data[:-count-1]
- return codecs.utf_8_decode(data, errors)
-
class ReaderError(YAMLError):
def __init__(self, name, position, character, encoding, reason):
@@ -159,13 +124,13 @@ def determine_encoding(self):
self.update_raw()
if not isinstance(self.raw_buffer, unicode):
if self.raw_buffer.startswith(codecs.BOM_UTF16_LE):
- self.raw_decode = utf_16_le_decode
+ self.raw_decode = codecs.utf_16_le_decode
self.encoding = 'utf-16-le'
elif self.raw_buffer.startswith(codecs.BOM_UTF16_BE):
- self.raw_decode = utf_16_be_decode
+ self.raw_decode = codecs.utf_16_be_decode
self.encoding = 'utf-16-be'
else:
- self.raw_decode = utf_8_decode
+ self.raw_decode = codecs.utf_8_decode
self.encoding = 'utf-8'
self.update(1)
View
@@ -7,11 +7,6 @@
import datetime
-try:
- set
-except NameError:
- from sets import Set as set
-
import sys, copy_reg, types
class RepresenterError(YAMLError):

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