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gh-121245: Refactor site.register_readline() (GH-121659)

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Co-authored-by: Łukasz Langa <lukasz@langa.pl>
This commit is contained in:
Sergey B Kirpichev 2024-07-15 23:12:41 +03:00 • committed by GitHub
parent 8b209fd4f8
commit 05d413764c
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GPG key ID: B5690EEEBB952194
3 changed files with 36 additions and 36 deletions
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46
Lib/_pyrepl/main.py
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@ -1,16 +1,32 @@
import errno
import os
import sys
CAN_USE_PYREPL: bool
if sys.platform != "win32":
CAN_USE_PYREPL = True
FAIL_REASON: str
try:
if sys.platform == "win32" and sys.getwindowsversion().build < 10586:
raise RuntimeError("Windows 10 TH2 or later required")
if not os.isatty(sys.stdin.fileno()):
raise OSError(errno.ENOTTY, "tty required", "stdin")
from .simple_interact import check
if err := check():
raise RuntimeError(err)
except Exception as e:
CAN_USE_PYREPL = False
FAIL_REASON = f"warning: can't use pyrepl: {e}"
else:
CAN_USE_PYREPL = sys.getwindowsversion().build >= 10586 # Windows 10 TH2
CAN_USE_PYREPL = True
FAIL_REASON = ""
def interactive_console(mainmodule=None, quiet=False, pythonstartup=False):
global CAN_USE_PYREPL
if not CAN_USE_PYREPL:
if not os.environ.get('PYTHON_BASIC_REPL', None) and FAIL_REASON:
from .trace import trace
trace(FAIL_REASON)
print(FAIL_REASON, file=sys.stderr)
return sys._baserepl()
if mainmodule:
@ -20,6 +36,7 @@ def interactive_console(mainmodule=None, quiet=False, pythonstartup=False):
namespace = __main__.__dict__
namespace.pop("__pyrepl_interactive_console", None)
# sys._baserepl() above does this internally, we do it here
startup_path = os.getenv("PYTHONSTARTUP")
if pythonstartup and startup_path:
import tokenize
@ -34,22 +51,5 @@ def interactive_console(mainmodule=None, quiet=False, pythonstartup=False):
if not hasattr(sys, "ps2"):
sys.ps2 = "... "
run_interactive = None
try:
import errno
if not os.isatty(sys.stdin.fileno()):
raise OSError(errno.ENOTTY, "tty required", "stdin")
from .simple_interact import check
if err := check():
raise RuntimeError(err)
from .simple_interact import run_multiline_interactive_console
run_interactive = run_multiline_interactive_console
except Exception as e:
from .trace import trace
msg = f"warning: can't use pyrepl: {e}"
trace(msg)
print(msg, file=sys.stderr)
CAN_USE_PYREPL = False
if run_interactive is None:
return sys._baserepl()
run_interactive(namespace)
from .simple_interact import run_multiline_interactive_console
run_multiline_interactive_console(namespace)