upstream/ipython Files · IPython/kernel/tests/test_contexts.py

Add transformers to understand code pasted with >>> or IPython prompts....

Add transformers to understand code pasted with >>> or IPython prompts. Now the following all work out of the box: In [8]: In [6]: for i in range(5): ...: ...: print i, ...: ...: ...: 0 1 2 3 4 In [10]: >>> width = 20 In [11]: >>> height = 5*9 In [12]: >>> width * height Out[12]: 900 And the history is still clean: In [13]: %hist -n [snipped] for i in range(5): print i, get_ipython().magic("hist -n") width = 20 height = 5*9 width * height This will be extremely useful when copy/pasting from interactive tutorials, doctests and examples. Also fixes %doctest_mode: https://bugs.launchpad.net/ipython/+bug/505404

Brian Granger - - Load All Authors

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             test_contexts.py
        
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             / IPython / kernel / tests / test_contexts.py
          
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      # Tell nose to skip this module

      __test__ = {}

      #from __future__ import with_statement

      # XXX This file is currently disabled to preserve 2.4 compatibility.

      #def test_simple():

      if 0:

          # XXX - for now, we need a running cluster to be started separately.  The

          # daemon work is almost finished, and will make much of this unnecessary.

          from IPython.kernel import client

          mec = client.MultiEngineClient(('127.0.0.1',10105))

          try:

              mec.get_ids()

          except ConnectionRefusedError:

              import os, time

              os.system('ipcluster -n 2 &')

              time.sleep(2)

              mec = client.MultiEngineClient(('127.0.0.1',10105))

          mec.block = False

          import itertools

          c = itertools.count()

          parallel = RemoteMultiEngine(mec)

          mec.pushAll()

          ## with parallel as pr:

          ##     # A comment

          ##     remote()  # this means the code below only runs remotely

          ##     print 'Hello remote world'

          ##     x = range(10)

          ##     # Comments are OK

          ##     # Even misindented.

          ##     y = x+1

          ## with pfor('i',sequence) as pr:

          ##     print x[i]

          print pr.x + pr.y

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				# Tell nose to skip this module
				__test__ = {}

				#from __future__ import with_statement

				# XXX This file is currently disabled to preserve 2.4 compatibility.

				#def test_simple():
				if 0:

				# XXX - for now, we need a running cluster to be started separately. The
				# daemon work is almost finished, and will make much of this unnecessary.
				from IPython.kernel import client
				mec = client.MultiEngineClient(('127.0.0.1',10105))

				try:
				mec.get_ids()
				except ConnectionRefusedError:
				import os, time
				os.system('ipcluster -n 2 &')
				time.sleep(2)
				mec = client.MultiEngineClient(('127.0.0.1',10105))

				mec.block = False

				import itertools
				c = itertools.count()

				parallel = RemoteMultiEngine(mec)

				mec.pushAll()

				## with parallel as pr:
				## # A comment
				## remote() # this means the code below only runs remotely
				## print 'Hello remote world'
				## x = range(10)
				## # Comments are OK
				## # Even misindented.
				## y = x+1


				## with pfor('i',sequence) as pr:
				## print x[i]

				print pr.x + pr.y