[issue11003] os.system should be deprecated in favour of subprocess module

2011-01-25 Thread Jakob Bowyer 

New submission from Jakob Bowyer :

os.system is broken in several fundamental ways. We already have the subprocess 
module for accessing other processes, lets send os.system the same way as 
os.Popen.

--
components: Library (Lib)
messages: 126995
nosy: Jakob.Bowyer
priority: normal
severity: normal
status: open
title: os.system should be deprecated in favour of subprocess module
type: feature request
versions: Python 2.6, Python 2.7, Python 3.1, Python 3.2, Python 3.3

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[issue14350] Strange Exception from copying an iterable

2012-03-17 Thread Jakob Bowyer 

New submission from Jakob Bowyer :

Running:
Python 2.7.2 (default, Jun 12 2011, 14:24:46) [MSC v.1500 64 bit (AMD64)]
Code:
import copy
copy.copy(iter([1,2,3]))
Exception:

---
TypeError Traceback (most recent call last)
T:\languages\Python27\Scripts\ in ()
> 1 copy.copy(iter([1,2,3]))

T:\languages\Python27\lib\copy.pyc in copy(x)
 94 raise Error("un(shallow)copyable object of type %s" % cl
s)
 95
---> 96 return _reconstruct(x, rv, 0)
 97
 98

T:\languages\Python27\lib\copy.pyc in _reconstruct(x, info, deep, memo)
327 if deep:
328 args = deepcopy(args, memo)
--> 329 y = callable(*args)
330 memo[id(x)] = y
331

T:\languages\Python27\lib\copy_reg.pyc in __newobj__(cls, *args)
 91
 92 def __newobj__(cls, *args):
---> 93 return cls.__new__(cls, *args)
 94
 95 def _slotnames(cls):

TypeError: object.__new__(listiterator) is not safe, use listiterator.__new__()

Either this is a bug or not a clear error message in the exception

--
components: None
messages: 156189
nosy: Jakob.Bowyer
priority: normal
severity: normal
status: open
title: Strange Exception from copying an iterable
type: behavior
versions: Python 2.7

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[issue14350] Strange Exception from copying an iterable

2012-03-18 Thread Jakob Bowyer 

Jakob Bowyer  added the comment:

C:\Users\Jakob>python -c "import copy; copy.copy(iter([1,2,3]))"
Traceback (most recent call last):
  File "", line 1, in 
  File "T:\languages\Python27\lib\copy.py", line 96, in copy
return _reconstruct(x, rv, 0)
  File "T:\languages\Python27\lib\copy.py", line 329, in _reconstruct
y = callable(*args)
  File "T:\languages\Python27\lib\copy_reg.py", line 93, in __newobj__
return cls.__new__(cls, *args)
TypeError: object.__new__(listiterator) is not safe, use listiterator.__new__()

C:\Users\Jakob>python3 -c "import copy; copy.copy(iter([1,2,3]))"
Traceback (most recent call last):
  File "", line 1, in 
  File "T:\languages\Python32\lib\copy.py", line 97, in copy
return _reconstruct(x, rv, 0)
  File "T:\languages\Python32\lib\copy.py", line 285, in _reconstruct
y = callable(*args)
  File "T:\languages\Python32\lib\copyreg.py", line 88, in __newobj__
return cls.__new__(cls, *args)
TypeError: object.__new__(list_iterator) is not safe, use 
list_iterator.__new__()

Pure python traceback. Just for clarity.

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[issue14350] Strange Exception from copying an iterator

2012-03-25 Thread Jakob Bowyer 

Jakob Bowyer  added the comment:

Before anyone else rushes of to do this, can I? I really want to break into 
python-dev and this might be my chance.

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