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Avoid calling the input transformer twice in the execution stack....
Avoid calling the input transformer twice in the execution stack. This should allow to register input transformers that have side effects, at least in Notebooks. Right now there are sill multiple calls which may happen in the terminal on execution requests.

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r23700:8e864e7c
r25891:d5a8359c
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ulinecache.py
21 lines | 684 B | text/x-python | PythonLexer
"""
This module has been deprecated since IPython 6.0.
Wrapper around linecache which decodes files to unicode according to PEP 263.
"""
import functools
import linecache
from warnings import warn
getline = linecache.getline
# getlines has to be looked up at runtime, because doctests monkeypatch it.
@functools.wraps(linecache.getlines)
def getlines(filename, module_globals=None):
"""
Deprecated since IPython 6.0
"""
warn(("`IPython.utils.ulinecache.getlines` is deprecated since"
" IPython 6.0 and will be removed in future versions."),
DeprecationWarning, stacklevel=2)
return linecache.getlines(filename, module_globals=module_globals)