Custom Query (121 matches)

Reported by Takanao Endoh <djmchl@…>, 6 years ago.

>>> import yaml
>>> yaml.load(" 'spam: %' ")
'spam: %'
>>> yaml.load(" spam: % ")
------------------------------------------------------------
Traceback (most recent call last):
  ...
  File "/Volumes/data/pylib/src/yaml/scanner.py", line 257, in fetch_more_tokens
    % ch.encode('utf-8'), self.get_mark())
ScannerError: while scanning for the next token
found character '%' that cannot start any token
  in "<string>", line 1, column 8:
     spam: % 
           ^

Reported by Valentin Nechayev <netchv@…>, 4 years ago.

py-YAML 3.07, with Python 2.5 and FreeBSD (package name py25-yaml-3.07_2)

When yaml.dump() generates stream in utf-16be or utf-16le, it generates byte-order mark (BOM), but makes it incorrectly. Example:

>>> yaml.dump("xyz", encoding = 'utf-16be')
'\x00\xff\x00\xfe\x00x\x00y\x00z\x00\n\x00.\x00.\x00.\x00\n'

Instead, it should generate:

'\xfe\xff\x00x\x00y\x00z\x00\n\x00.\x00.\x00.\x00\n'

Fix:

--- 01/PyYAML-3.07/lib/yaml/emitter.py  2008-12-29 01:36:32.000000000 +0200
+++ work/PyYAML-3.07/lib/yaml/emitter.py        2009-06-06 16:48:39.000000000 +0300
@@ -787,7 +787,7 @@
     def write_stream_start(self):
         # Write BOM if needed.
         if self.encoding and self.encoding.startswith('utf-16'):
-            self.stream.write(u'\xFF\xFE'.encode(self.encoding))
+            self.stream.write(u'\uFEFF'.encode(self.encoding))
 
     def write_stream_end(self):
         self.flush_stream()

P.S. I guess it also should generate BOMs for utf-32*

Reported by alex.kikinis7@…, 18 months ago.

I downloaded pyyaml form this link http://pyyaml.org/download/pyyaml/PyYAML-3.09.tar.gz on the nltk site. i see it is not the latest version, shouldnt matter right? anywyas followed readme instructions (unclear at best) all they said was type 'python setup.py install' i opened a terminal window and did just that, but receicved the following error python: can't open file 'setup.py': [Errno 2] No such file or directory not sure what to do, not experienced in programming or anything, just getting started