77 lines
2.5 KiB
Python
77 lines
2.5 KiB
Python
import sys
|
|
|
|
if sys.platform != "win32":
|
|
import readline
|
|
|
|
original_ps1 = ">>> "
|
|
|
|
|
|
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 = "{command_line}{command_finished}{prompt_started}{prompt}{command_start}{command_executed}".format(
|
|
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",
|
|
command_executed="\x1b]633;C\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
|
|
|
|
|
|
if sys.platform != "win32":
|
|
sys.ps1 = PS1()
|