On Tuesday, September 19, 2017 at 12:55:14 PM UTC-5, Chris Angelico wrote:
> On Wed, Sep 20, 2017 at 3:44 AM, Stefan Ram <r...@zedat.fu-berlin.de> wrote:
> > Steve D'Aprano <steve+pyt...@pearwood.info> did *not* write
> > [it was edited/abbreviated by me - S. R.]:
> > |disadvantages:
> > |0 - it makes print a special thing
No more "special" than any other reserved word in Python.
> > |1 - beginners have to unlearn
Only if they decide to move to Python3 *AND* only if they
decide to use the print function at _all_. Not everyone uses
print (function or statement). Many folks prefer the power
of the logging module, or use the implicit output of a
REPL.
> > |2 - `print(x, y)` is *not* the same as `print x, y`;
Well, duh!
> > |3 - it has bizarre syntax that nobody would find normal
Only in advanced usage, which can be better handled by using
sys.stdout.write(...)
> > |4 - you can't pass keyword arguments
Only in advanced cases do you need to. In those cases, wrap
sys.stdout.write with your own function:
# PYTHON 2.x
>>> import sys
>>> def myPrintFunc(*args, **kw):
... sys.stdout.write(' '.join(str(arg) for arg in args))
...
>>> myPrintFunc("Monkey", "Patching", "is easy", 2, "do!")
Monkey Patching is easy 2 do!
I'll leave the remaining feature implementations as an
exercise for the reader...
> > |5 - it can't be mocked, shadowed, monkey-patched or replaced for testing;
So wrap sys.stdout.write with your own function and then
mock it until it crys and runs home to mommy; shadow it
until it reports you as a stalker; and monkey patch it until
your sewing hand becomes racked with arthritic pain!
> > |6 - and you can't even write help(print) in the interactive interpreter
Hmm, neither can you get help for these:
# PYTHON 2.x
>>> help(del)
SyntaxError: invalid syntax
>>> help(if)
SyntaxError: invalid syntax
>>> help(else)
SyntaxError: invalid syntax
>>> help(for)
SyntaxError: invalid syntax
>>> help(class)
SyntaxError: invalid syntax
>>> help(def)
SyntaxError: invalid syntax
And this doesn't work either:
>>> help(python)
Traceback (most recent call last):
File "<pyshell#0>", line 1, in <module>
help(python)
NameError: name 'python' is not defined
nor this:
>>> help(BDFL)
Traceback (most recent call last):
File "<pyshell#5>", line 1, in <module>
help(BDFL)
NameError: name 'BDFL' is not defined
nor even this:
>>> help("I've fallen and i can't get up!")
no Python documentation found for "I've fallen and i can't get up!"
Why, what a surprise!!!
These so-called "disadvantages" are nothing but absurdities
masquerading as debate, and more evidence that Steven, along
with Chris, are on a Python3 religious crusade to rid the
world of perceived infidels.
--
https://mail.python.org/mailman/listinfo/python-list
