|
|
"""Terminal input and output prompts."""
|
|
|
|
|
|
from pygments.token import Token
|
|
|
import sys
|
|
|
|
|
|
from IPython.core.displayhook import DisplayHook
|
|
|
|
|
|
from prompt_toolkit.formatted_text import fragment_list_width, PygmentsTokens
|
|
|
from prompt_toolkit.shortcuts import print_formatted_text
|
|
|
from prompt_toolkit.enums import EditingMode
|
|
|
|
|
|
|
|
|
class Prompts(object):
|
|
|
def __init__(self, shell):
|
|
|
self.shell = shell
|
|
|
|
|
|
def vi_mode(self):
|
|
|
if (getattr(self.shell.pt_app, 'editing_mode', None) == EditingMode.VI
|
|
|
and self.shell.prompt_includes_vi_mode):
|
|
|
mode = str(self.shell.pt_app.app.vi_state.input_mode)
|
|
|
if mode.startswith('InputMode.'):
|
|
|
mode = mode[10:13].lower()
|
|
|
elif mode.startswith('vi-'):
|
|
|
mode = mode[3:6]
|
|
|
return '['+mode+'] '
|
|
|
return ''
|
|
|
|
|
|
def current_line(self) -> int:
|
|
|
if self.shell.pt_app is not None:
|
|
|
return self.shell.pt_app.default_buffer.document.cursor_position_row or 0
|
|
|
return 0
|
|
|
|
|
|
def in_prompt_tokens(self):
|
|
|
return [
|
|
|
(Token.Prompt, self.vi_mode()),
|
|
|
(
|
|
|
Token.Prompt,
|
|
|
self.shell.prompt_line_number_format.format(
|
|
|
line=1, rel_line=-self.current_line()
|
|
|
),
|
|
|
),
|
|
|
(Token.Prompt, "In ["),
|
|
|
(Token.PromptNum, str(self.shell.execution_count)),
|
|
|
(Token.Prompt, ']: '),
|
|
|
]
|
|
|
|
|
|
def _width(self):
|
|
|
return fragment_list_width(self.in_prompt_tokens())
|
|
|
|
|
|
def continuation_prompt_tokens(self, width=None, *, lineno=None):
|
|
|
if width is None:
|
|
|
width = self._width()
|
|
|
line = lineno + 1 if lineno is not None else 0
|
|
|
prefix = " " * len(
|
|
|
self.vi_mode()
|
|
|
) + self.shell.prompt_line_number_format.format(
|
|
|
line=line, rel_line=line - self.current_line() - 1
|
|
|
)
|
|
|
return [
|
|
|
(
|
|
|
Token.Prompt,
|
|
|
prefix + (" " * (width - len(prefix) - 5)) + "...: ",
|
|
|
),
|
|
|
]
|
|
|
|
|
|
def rewrite_prompt_tokens(self):
|
|
|
width = self._width()
|
|
|
return [
|
|
|
(Token.Prompt, ('-' * (width - 2)) + '> '),
|
|
|
]
|
|
|
|
|
|
def out_prompt_tokens(self):
|
|
|
return [
|
|
|
(Token.OutPrompt, 'Out['),
|
|
|
(Token.OutPromptNum, str(self.shell.execution_count)),
|
|
|
(Token.OutPrompt, ']: '),
|
|
|
]
|
|
|
|
|
|
class ClassicPrompts(Prompts):
|
|
|
def in_prompt_tokens(self):
|
|
|
return [
|
|
|
(Token.Prompt, '>>> '),
|
|
|
]
|
|
|
|
|
|
def continuation_prompt_tokens(self, width=None):
|
|
|
return [
|
|
|
(Token.Prompt, '... ')
|
|
|
]
|
|
|
|
|
|
def rewrite_prompt_tokens(self):
|
|
|
return []
|
|
|
|
|
|
def out_prompt_tokens(self):
|
|
|
return []
|
|
|
|
|
|
class RichPromptDisplayHook(DisplayHook):
|
|
|
"""Subclass of base display hook using coloured prompt"""
|
|
|
def write_output_prompt(self):
|
|
|
sys.stdout.write(self.shell.separate_out)
|
|
|
# If we're not displaying a prompt, it effectively ends with a newline,
|
|
|
# because the output will be left-aligned.
|
|
|
self.prompt_end_newline = True
|
|
|
|
|
|
if self.do_full_cache:
|
|
|
tokens = self.shell.prompts.out_prompt_tokens()
|
|
|
prompt_txt = "".join(s for _, s in tokens)
|
|
|
if prompt_txt and not prompt_txt.endswith("\n"):
|
|
|
# Ask for a newline before multiline output
|
|
|
self.prompt_end_newline = False
|
|
|
|
|
|
if self.shell.pt_app:
|
|
|
print_formatted_text(PygmentsTokens(tokens),
|
|
|
style=self.shell.pt_app.app.style, end='',
|
|
|
)
|
|
|
else:
|
|
|
sys.stdout.write(prompt_txt)
|
|
|
|
|
|
def write_format_data(self, format_dict, md_dict=None) -> None:
|
|
|
assert self.shell is not None
|
|
|
if self.shell.mime_renderers:
|
|
|
|
|
|
for mime, handler in self.shell.mime_renderers.items():
|
|
|
if mime in format_dict:
|
|
|
handler(format_dict[mime], None)
|
|
|
return
|
|
|
|
|
|
super().write_format_data(format_dict, md_dict)
|
|
|
|
|
|
|
