vscode-python/python_files/pythonrc.py at main · microsoft/vscode-python · GitHub

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import platform

import sys

if sys.platform != "win32":

import readline

original_ps1 = ">>> "

is_wsl = "microsoft-standard-WSL" in platform.release()

class REPLHooks:

def __init__(self):

self.global_exit = None

self.failure_flag = False

self.original_excepthook = sys.excepthook

self.original_displayhook = sys.displayhook

sys.excepthook = self.my_excepthook

sys.displayhook = self.my_displayhook

def my_displayhook(self, value):

if value is None:

self.failure_flag = False

self.original_displayhook(value)

def my_excepthook(self, type_, value, traceback):

self.global_exit = value

self.failure_flag = True

self.original_excepthook(type_, value, traceback)

def get_last_command():

# Get the last history item

last_command = ""

if sys.platform != "win32":

last_command = readline.get_history_item(readline.get_current_history_length())

return last_command

class PS1:

hooks = REPLHooks()

sys.excepthook = hooks.my_excepthook

sys.displayhook = hooks.my_displayhook

# str will get called for every prompt with exit code to show success/failure

def __str__(self):

exit_code = int(bool(self.hooks.failure_flag))

self.hooks.failure_flag = False

# Guide following official VS Code doc for shell integration sequence:

result = ""

# For non-windows allow recent_command history.

if sys.platform != "win32":

result = "{soh}{command_executed}{command_line}{command_finished}{prompt_started}{stx}{prompt}{soh}{command_start}{stx}".format(

soh="\001",

stx="\002",

command_executed="\x1b]633;C\x07",

command_line="\x1b]633;E;" + str(get_last_command()) + "\x07",

command_finished="\x1b]633;D;" + str(exit_code) + "\x07",

prompt_started="\x1b]633;A\x07",

prompt=original_ps1,

command_start="\x1b]633;B\x07",

)

else:

result = "{command_finished}{prompt_started}{prompt}{command_start}{command_executed}".format(

command_finished="\x1b]633;D;" + str(exit_code) + "\x07",

prompt_started="\x1b]633;A\x07",

prompt=original_ps1,

command_start="\x1b]633;B\x07",

command_executed="\x1b]633;C\x07",

)

# result = f"{chr(27)}]633;D;{exit_code}{chr(7)}{chr(27)}]633;A{chr(7)}{original_ps1}{chr(27)}]633;B{chr(7)}{chr(27)}]633;C{chr(7)}"

return result

def __repr__(self):

return "<Custom PS1 for VS Code Python Shell Integration>"

if sys.platform != "win32" and (not is_wsl):

sys.ps1 = PS1()

if sys.platform == "darwin":

print("Cmd click to launch VS Code Native REPL")

else:

print("Ctrl click to launch VS Code Native REPL")

vscode-python/python_files/pythonrc.py at main · microsoft/vscode-python · GitHub

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