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fill3: Coding style

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- Optimize splitting stdin by using a regex.
This commit is contained in:
Andrew Hamilton 2022-02-13 21:23:37 +10:00
parent ccdd657c10
commit f77d5743a1
2 changed files with 12 additions and 24 deletions
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18
fill3/fill3/__init__.py
View file

@ -6,6 +6,7 @@ import asyncio
import contextlib
import itertools
import os
import re
import signal
import sys
@ -494,25 +495,12 @@ async def update_screen(screen_widget):
APPEARANCE_CHANGED_EVENT.clear()
def digest_terminal_input(input_str):
cursor = 0
result = []
for index, char in enumerate(input_str):
if cursor != index:
if char == terminal.ESC:
result.append(input_str[cursor:index])
cursor = index
elif ord(char) < 32:
result.extend([input_str[cursor:index], char])
cursor = index + 1
if cursor != index + 1:
result.append(input_str[cursor:index+1])
return result
_INPUT_REGEX = re.compile("\x1b[^\x00-\x1f]+|[\x00-\x1f]|[^\x00-\x1f]+")
@handle_exception
def on_terminal_input(screen_widget):
for part in digest_terminal_input(sys.stdin.read()):
for part in _INPUT_REGEX.findall(sys.stdin.read()):
if part.startswith(terminal.MOUSE):
screen_widget.on_mouse_input(part[3:])
else:

18
fill3/tests/fill3_test.py
View file

@ -140,16 +140,16 @@ class WidgetTests(unittest.TestCase):
"B A")
class DigestTerminalInputTestCase(unittest.TestCase):
class TerminalInputTestCase(unittest.TestCase):
def test_digest_terminal_input(self):
self.assertRaises(UnboundLocalError, fill3.digest_terminal_input, "")
self.assertEqual(fill3.digest_terminal_input("a"), ["a"])
self.assertEqual(fill3.digest_terminal_input("ab"), ["ab"])
self.assertEqual(fill3.digest_terminal_input("a\nb"), ["a", "\n", "b"])
self.assertEqual(fill3.digest_terminal_input("a\tb"), ["a", "\t", "b"])
self.assertEqual(fill3.digest_terminal_input(terminal.UP * 2), [terminal.UP] * 2)
self.assertEqual(fill3.digest_terminal_input(terminal.CTRL_C * 2), [terminal.CTRL_C] * 2)
def test_input_regex(self):
self.assertEqual(fill3._INPUT_REGEX.findall(""), [])
self.assertEqual(fill3._INPUT_REGEX.findall("a"), ["a"])
self.assertEqual(fill3._INPUT_REGEX.findall("ab"), ["ab"])
self.assertEqual(fill3._INPUT_REGEX.findall("a\nb"), ["a", "\n", "b"])
self.assertEqual(fill3._INPUT_REGEX.findall("a\tb"), ["a", "\t", "b"])
self.assertEqual(fill3._INPUT_REGEX.findall(terminal.UP * 2), [terminal.UP] * 2)
self.assertEqual(fill3._INPUT_REGEX.findall(terminal.CTRL_C * 2), [terminal.CTRL_C] * 2)
if __name__ == "__main__":