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Switch from 'embedding' to 'starting' IPython #507
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Oct 28, 2020
| from IPython.terminal.embed import InteractiveShellEmbed | ||
| from IPython.core.interactiveshell import DummyMod | ||
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| shell = InteractiveShellEmbed(banner2=banner) |
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ubuntu@reddit:~/src/harold2 (harold2)$ onevm shell
Running “baseplate-shell /home/ubuntu/src/harold2/example.ini”…
INFO:raven.base.Client:Raven is not configured (logging is disabled). Please see the documentation for more information.
Python 3.8.5 (default, Jul 20 2020, 19:48:14)
Type 'copyright', 'credits' or 'license' for more information
IPython 7.18.1 -- An enhanced Interactive Python. Type '?' for help.
In [1]: context
Out[1]: <baseplate.RequestContext at 0x7fdd587c3610>
so the values are there as expected but there's no message explaining how to use 'em.
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Good catch, let me get the banner back into place! (I'm so used to it at this point I've gloss right over it)
Embedding IPython results in issues where import statements and other
globals changes in the shell environment don't work as expected.[1]
As an example, the following commands result in a NameError:
In [1]: import time
In [2]: def foo():
...: print(time.time())
...:
In [3]: foo()
---------------------------------------------------------------------------
NameError Traceback (most recent call last)
<ipython-input-3-c19b6d9633cf> in <module>
----> 1 foo()
<ipython-input-2-a038e7f91c93> in foo()
1 def foo():
----> 2 print(time.time())
3
NameError: name 'time' is not defined
By switching to use "start_ipython()" instead, we get an environment
more similar to what we get by running `ipython` directly.
[1] ipython/ipython#62
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Embedding IPython results in issues where import statements and other
globals changes in the shell environment don't work as expected.[1]
As an example, the following commands result in a NameError:
By switching to use "start_ipython()" instead, we get an environment
more similar to what we get by running
ipythondirectly.[1] ipython/ipython#62