upstream/ipython Files · IPython/nbconvert.py

Make event triggering robust to (un)registration....

Make event triggering robust to (un)registration. Event callbacks can register or unregister new callbacks for the same event while executing, and the previous triggering implementation allowed for event callbacks to be inadvertently skipped. The fix is to make a copy of the list of callbacks before executing any of them. With this change, the resulting semantics are simple: any callbacks registered before triggering are executed, and any new callbacks registered are only visible at the next triggering of the event. Note that this could potentially break existing callers who expected newly-appended callbacks were immediately executed. Fixes . Originally based on a patch by @marksandler2.

Alexandre Avanian - - Load All Authors

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r21610:1a273e45


                r22317:68860ee5

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             nbconvert.py
        
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        Min RK
    
shim nbconvert

              r20906
            
      """

      Shim to maintain backwards compatibility with old IPython.nbconvert imports.

      """

      # Copyright (c) IPython Development Team.

      # Distributed under the terms of the Modified BSD License.

      import sys

      from warnings import warn

        Min RK
    
add ShimWarning for shimmed imports...

              r21515
            
      from IPython.utils.shimmodule import ShimModule, ShimWarning

        Min RK
    
shim nbconvert

              r20906
            
        Min RK
    
add ShimWarning for shimmed imports...

              r21515
            
      warn("The `IPython.nbconvert` package has been deprecated. "

        Alexandre Avanian
    
Fixes #8743 (warning string)...

              r21610
            
           "You should import from nbconvert instead.", ShimWarning)

        Min RK
    
shim nbconvert

              r20906
            
      # Unconditionally insert the shim into sys.modules so that further import calls

      # trigger the custom attribute access above

        Min RK
    
add import hook for shim packages...

              r20990
            
      sys.modules['IPython.nbconvert'] = ShimModule(

        Min RK
    
jupyter_nbconvert is now nbconvert...

              r21339
            
          src='IPython.nbconvert', mirror='nbconvert')

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Min RK shim nbconvert	r20906	"""
		Shim to maintain backwards compatibility with old IPython.nbconvert imports.
		"""
		# Copyright (c) IPython Development Team.
		# Distributed under the terms of the Modified BSD License.

		import sys
		from warnings import warn

Min RK add ShimWarning for shimmed imports...	r21515	from IPython.utils.shimmodule import ShimModule, ShimWarning
Min RK shim nbconvert	r20906
Min RK add ShimWarning for shimmed imports...	r21515	warn("The `IPython.nbconvert` package has been deprecated. "
Alexandre Avanian Fixes #8743 (warning string)...	r21610	"You should import from nbconvert instead.", ShimWarning)
Min RK shim nbconvert	r20906
		# Unconditionally insert the shim into sys.modules so that further import calls
		# trigger the custom attribute access above

Min RK add import hook for shim packages...	r20990	sys.modules['IPython.nbconvert'] = ShimModule(
Min RK jupyter_nbconvert is now nbconvert...	r21339	src='IPython.nbconvert', mirror='nbconvert')