upstream/ipython Files · IPython/external/argparse/__init__.py

Line continuations now terminate after one blank line (#2108)...

Line continuations now terminate after one blank line (#2108) Previously, we had In [1]: 1\ ...: ...: ...: ...: In other words, no amount of blank lines would terminate after a line continuation, in contrast with regular Python: >>> 1\ ... 1 This made things really annoying when I typed \ instead of a newline--quite easy to do since they are right next to each other on the keyboard. Now, we have In [1]: 1\ ...: Out[1]: 1 This also fixes another related behavioral difference between IPython. If a space follows a line continuation character, it should be a SyntaxError("unexpected character after line continuation character"), even if the line is otherwise continuable, according to regular Python (e.g., `1 \ ` or `(1 + \ `). This now consistent between the two. Closes

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        Thomas Spura
    
Unbundle of all external modules....

              r3408
            
      try:

          import argparse

        MinRK
    
use bundled argparse if system argparse is < 1.1

              r4669
            
          # don't use system argparse if older than 1.1:

          if argparse.__version__ < '1.1':

              raise ImportError

          else:

              from argparse import *

              from argparse import SUPPRESS

      except (ImportError, AttributeError):

        Thomas Spura
    
Unbundle of all external modules....

              r3408
            
          from _argparse import *

        Thomas Kluyver
    
Fix up argparse (update bundled version) so IPython starts whether or not argparse is installed system-wide.

              r3456
            
          from _argparse import SUPPRESS

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Thomas Spura Unbundle of all external modules....	r3408	try:
		import argparse
MinRK use bundled argparse if system argparse is < 1.1	r4669	# don't use system argparse if older than 1.1:
		if argparse.__version__ < '1.1':
		raise ImportError
		else:
		from argparse import *
		from argparse import SUPPRESS
		except (ImportError, AttributeError):
Thomas Spura Unbundle of all external modules....	r3408	from _argparse import *
Thomas Kluyver Fix up argparse (update bundled version) so IPython starts whether or not argparse is installed system-wide.	r3456	from _argparse import SUPPRESS