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gh-122273: Support PyREPL history on Windows (#127141)
Co-authored-by: devdanzin <74280297+devdanzin@users.noreply.github.com>
(cherry picked from commit 3c7a90a83146dc6e55f6f9ecd9af0bf9682f98a6)
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(#123784)
(cherry picked from commit e95984826eb3cdb3a3baedb2ccea35e11e9f8161)
Co-authored-by: aorcajo <589252+aorcajo@users.noreply.github.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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(GH-123607) (GH-123773)
Change <page up> and <page down> keys of the Python REPL to history
search forward/backward.
(cherry picked from commit 8311b11800509c975023e062e2c336f417c5e4c0)
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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(GH-123196) (GH-123764)
(cherry picked from commit d683f49a7b0635a26150cfbb398a3d93b227a74e)
Co-authored-by: Arnon Yaari <wiggin15@yahoo.com>
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(cherry picked from commit aa1339aaaa6363c38186defaa079d069b4cb08b2)
Co-authored-by: sobolevn <mail@sobolevn.me>
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(GH-123281) (#123293)
gh-123228: fix return type for _ReadlineWrapper.get_line_buffer() (GH-123281)
(cherry picked from commit ca18ff2a34435faa557f7f9d4d3a554dadb05e50)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
Co-authored-by: Carl Friedrich Bolz-Tereick <cfbolz@gmx.de>
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gh-123149: Suppress verbose repr in new REPL (GH-123151)
(cherry picked from commit 833c58b81ebec84dc24ef0507f8c75fe723d9f66)
Co-authored-by: James <snoopjedi@gmail.com>
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(cherry picked from commit e5c7216f376a06d2c931daf999e2980e494e747e)
Co-authored-by: Milan Oberkirch <milan.oberkirch@geops.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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(#120392)
(cherry picked from commit 02e74c356223feb0771759286d24d1dbac01d4ca)
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
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gh-119517: Fixes for pasting in pyrepl (GH-120253)
* Remove pyrepl's optimization for self-insert
This will be replaced by a less specialized optimization.
* Use line-buffering when pyrepl echoes pastes
Previously echoing was totally suppressed until the entire command had
been pasted and the terminal ended paste mode, but this gives the user
no feedback to indicate that an operation is in progress. Drawing
something to the screen once per line strikes a balance between
perceived responsiveness and performance.
* Remove dead code from pyrepl
`msg_at_bottom` is always true.
* Speed up pyrepl's screen rendering computation
The Reader in pyrepl doesn't hold a complete representation of the
screen area being drawn as persistent state. Instead, it recomputes it,
on each keypress. This is fast enough for a few hundred bytes, but
incredibly slow as the input buffer grows into the kilobytes (likely
because of pasting).
Rather than making some expensive and expansive changes to the repl's
internal representation of the screen, add some caching: remember some
data from one refresh to the next about what was drawn to the screen
and, if we don't find anything that has invalidated the results that
were computed last time around, reuse them. To keep this caching as
simple as possible, all we'll do is look for lines in the buffer that
were above the cursor the last time we were asked to update the screen,
and that are still above the cursor now. We assume that nothing can
affect a line that comes before both the old and new cursor location
without us being informed. Based on this assumption, we can reuse old
lines, which drastically speeds up the overwhelmingly common case where
the user is typing near the end of the buffer.
* Speed up pyrepl prompt drawing
Cache the `can_colorize()` call rather than repeatedly recomputing it.
This call looks up an environment variable, and is called once per
character typed at the REPL. The environment variable lookup shows up as
a hot spot when profiling, and we don't expect this to change while the
REPL is running.
* Speed up pasting multiple lines into the REPL
Previously, we were checking whether the command should be accepted each
time a line break was encountered, but that's not the expected behavior.
In bracketed paste mode, we expect everything pasted to be part of
a single block of code, and encountering a newline shouldn't behave like
a user pressing <Enter> to execute a command. The user should always
have a chance to review the pasted command before running it.
* Use a read buffer for input in pyrepl
Previously we were reading one byte at a time, which causes much slower
IO than necessary. Instead, read in chunks, processing previously read
data before asking for more.
* Optimize finding width of a single character
`wlen` finds the width of a multi-character string by adding up the
width of each character, and then subtracting the width of any escape
sequences. It's often called for single character strings, however,
which can't possibly contain escape sequences. Optimize for that case.
* Optimize disp_str for ASCII characters
Since every ASCII character is known to display as single width, we can
avoid not only the Unicode data lookup in `disp_str` but also the one
hidden in `str_width` for them.
* Speed up cursor movements in long pyrepl commands
When the current pyrepl command buffer contains many lines, scrolling up
becomes slow. We have optimizations in place to reuse lines above the
cursor position from one refresh to the next, but don't currently try to
reuse lines below the cursor position in the same way, so we wind up
with quadratic behavior where all lines of the buffer below the cursor
are recomputed each time the cursor moves up another line.
Optimize this by only computing one screen's worth of lines beyond the
cursor position. Any lines beyond that can't possibly be shown by the
console, and bounding this makes scrolling up have linear time
complexity instead.
---------
(cherry picked from commit 32a0faba439b239d7b0c242c1e3cd2025c52b8cf)
Signed-off-by: Matt Wozniski <mwozniski@bloomberg.net>
Co-authored-by: Matt Wozniski <mwozniski@bloomberg.net>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
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(cherry picked from commit 0d07182821fad7b95a043d006f1ce13a2d22edcb)
Co-authored-by: Dino Viehland <dinoviehland@gmail.com>
Co-authored-by: Anthony Shaw <anthony.p.shaw@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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- auto-indent when editing multi-line block
- ignore comments
(cherry picked from commit dae0375bd97f3821c5db1602a0653a3c5dc53c5b)
Co-authored-by: Arnon Yaari <wiggin15@yahoo.com>
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(#119439)
(cherry picked from commit e6572e8f98d33994d2d0dd3afa92a2a72ee642a9)
Also includes:
* gh-111201: Use calc_complete_screen after bracketed paste in PyREPL (GH-119432)
(cherry picked from commit 14b063cbf1bb11a489d04a31f277edba0fc8893c)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
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from terminating the code block (GH-119355) (#119404)
(cherry picked from commit 5091c4400c9ea2a2d1e4d89a28c9d0de2651fa6d)
Co-authored-by: Aya Elsayed <ayah.ehab11@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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(cherry picked from commit cd516cd1f5e94dba887353f421513fd172efadf3)
Co-authored-by: Arnon Yaari <wiggin15@yahoo.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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(cherry picked from commit 033f5c87f1f876088701d1ae078dc39c41177d4a)
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
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(cherry picked from commit 506b1a3ff66a41c72d205c8e4cba574e439d8e76)
Co-authored-by: Koudai Aono <koxudaxi@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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(#119403)
(cherry picked from commit 561ff1fa710493dee8c6482f990bd17535b27040)
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(#118712)
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Marta Gómez Macías <mgmacias@google.com>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
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