Terry J. Reedy <tjre...@udel.edu> added the comment:
Not surprisingly, I agree with Steven that enhancing IDLE may be a better use
of core developer time. It and Tkinter (and turtle) are options for the
Windows and macOS (and some non-PSF) installers and easily installed on Linux.
IDLE has most of the requested features, and where it does not, I will
consider well-specified enhancements.
1. Pasting a compound statement with embedded blank lines.
>>> def f():
a = 1 # following line has no spaces or tabs
b=3
print(a, b)
>>> f()
1, 3
Pasting multiple statements, separated or not by blank lines, and pasting
non-BMP unicode, are separate issues.
2. Auto-indent: after ':' (see example above) and for syntactic sequences.
(Currently, the latter only works in editors because '>>> ' prompts and tab
indents interfere. There is a issue with PR that will allow this to be fixed.)
strings = ['a',
'b', # autoindent
]
ardvark = fribble(a,
b, # autoindent
)
3. Code blocks are one history entry. Yes, where 'code block' means one
complete statement, possibly multiple lines, as submitted for execution. The
example in 1. can be recalled as submitted, with the blank line.
4. Save interactive session. Yes. I intend to add an option to only save
code, without prompts or output, so the code can be pasted into an editor and
edited and run. Or maybe the code should be loaded directly into an editor.
5. Add history() builtin. I believe that on linux this is redundant with
existing enhanced history mechanisms, which include storing history across
sessions in a 'standard' place. I believe my idea for 4. covers must of the
use cases.
6. Add a. pprint and b. getsource to builtins. I think this would be rejected.
I seldom use either of those two functions, but constantly import other
things. So I would want other things added. Startup files are the mechanism
for personally customizing one's shell. Simple imports serve for ad hoc
customizations. Note that getsource(name) needs to be passed to print() to be
readable.
As for getting source: IDLE displays a popup signature for any function if one
is available. Given a traceback or grep output, one can open any source-based
module in an editor at the line indicated. Open Module lets one easily open
any importable source based module with only the import name, not the full
path. For long source chunks, a separate window is really much better than
printed in the shell. A possible IDLE enhancement would be the ability to add
an object name and to jump to its definition.
7. Syntax coloring. Yes, with full customization.
8. Bracket matching for(), {}, and []. Yes, with a couple of options.
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<https://bugs.python.org/issue38747>
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