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Copy pathpythonrc.py
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80 lines (62 loc) · 2.54 KB
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import sys
if sys.platform != "win32":
import readline
original_ps1 = ">>> "
class repl_hooks:
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 = repl_hooks()
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 = 0
if self.hooks.failure_flag:
exit_code = 1
else:
exit_code = 0
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()