def enter_history(self):
"""
Display the history.
"""
app = get_app()
app.vi_state.input_mode = InputMode.NAVIGATION
def done(f):
result = f.result()
if result is not None:
self.default_buffer.text = result
app.vi_state.input_mode = InputMode.INSERT
history = History(self, self.default_buffer.document)
future = run_coroutine_in_terminal(history.app.run_async)
future.add_done_callback(done)
def enter_history(self):
"""
Display the history.
"""
app = get_app()
app.vi_state.input_mode = InputMode.NAVIGATION
def done(f):
result = f.result()
if result is not None:
self.default_buffer.text = result
app.vi_state.input_mode = InputMode.INSERT
history = History(self, self.default_buffer.document)
future = run_coroutine_in_terminal(history.app.run_async)
future.add_done_callback(done)
def run_shell_command(command):
def run_command():
if not command:
sys.stdout.write("\n")
return
try:
if sys.platform.startswith('win'):
cmd_list = command.strip().split(" ", 1)
else:
cmd_list = shlex.split(command)
except Exception as e:
print(e)
sys.stdout.write("\n")
return
if cmd_list[0] == "cd":
if len(cmd_list) != 2:
sys.stdout.write("cd method takes one argument\n\n")
return
try:
path = cmd_list[1].strip()
if path == "-":
oldpwd = os.environ[
"OLDPWD"] if "OLDPWD" in os.environ else os.getcwd()
os.environ["OLDPWD"] = os.getcwd()
os.chdir(oldpwd)
else:
if sys.platform.startswith('win'):
path = path.replace("\\", "/")
if path.startswith('"') and path.endswith('"'):
path = path[1:-1]
path = os.path.expanduser(path)
path = os.path.expandvars(path)
os.environ["OLDPWD"] = os.getcwd()
os.chdir(path)
sys.stdout.write(os.getcwd())
sys.stdout.write("\n\n")
except Exception as e:
print(e)
sys.stdout.write("\n")
return
else:
if sys.platform.startswith('win'):
p = subprocess.Popen(command,
shell=True,
stdin=sys.stdin,
stdout=sys.stdout)
else:
shell = os.path.basename(os.environ.get("SHELL", "/bin/sh"))
p = subprocess.Popen([shell, "-c", command],
stdin=sys.stdin,
stdout=sys.stdout)
p.wait()
sys.stdout.write("\n")
return run_coroutine_in_terminal(lambda: run_in_executor(run_command))
def _display_completions_like_readline(app, completions):
"""
Display the list of completions in columns above the prompt.
This will ask for a confirmation if there are too many completions to fit
on a single page and provide a paginator to walk through them.
"""
from prompt_toolkit.shortcuts.prompt import create_confirm_session
from prompt_toolkit.formatted_text import to_formatted_text
assert isinstance(completions, list)
# Get terminal dimensions.
term_size = app.output.get_size()
term_width = term_size.columns
term_height = term_size.rows
# Calculate amount of required columns/rows for displaying the
# completions. (Keep in mind that completions are displayed
# alphabetically column-wise.)
max_compl_width = min(
term_width,
max(get_cwidth(c.display_text) for c in completions) + 1)
column_count = max(1, term_width // max_compl_width)
completions_per_page = column_count * (term_height - 1)
page_count = int(math.ceil(len(completions) / float(completions_per_page)))
# Note: math.ceil can return float on Python2.
def display(page):
# Display completions.
page_completions = completions[page * completions_per_page:(page + 1) *
completions_per_page]
page_row_count = int(
math.ceil(len(page_completions) / float(column_count)))
page_columns = [
page_completions[i * page_row_count:(i + 1) * page_row_count]
for i in range(column_count)
]
result = [] # FormattedText list: (style,text) tuples.
for r in range(page_row_count):
for c in range(column_count):
try:
completion = page_columns[c][r]
style = 'class:readline-like-completions.completion ' + (
completion.style or '')
result.extend(
to_formatted_text(completion.display, style=style))
# Add padding.
padding = max_compl_width - get_cwidth(
completion.display_text)
result.append((
completion.style,
' ' * padding,
))
except IndexError:
pass
result.append(('', '\n'))
app.print_text(
to_formatted_text(result, 'class:readline-like-completions'))
# User interaction through an application generator function.
def run_compl():
" Coroutine. "
if len(completions) > completions_per_page:
# Ask confirmation if it doesn't fit on the screen.
confirm = yield create_confirm_session(
'Display all {} possibilities?'.format(
len(completions)), ).prompt(async_=True)
if confirm:
# Display pages.
for page in range(page_count):
display(page)
if page != page_count - 1:
# Display --MORE-- and go to the next page.
show_more = yield _create_more_session(
'--MORE--').prompt(async_=True)
if not show_more:
return
else:
app.output.flush()
else:
# Display all completions.
display(0)
run_coroutine_in_terminal(run_compl, render_cli_done=True)
def _display_completions_like_readline(app, completions):
"""
Display the list of completions in columns above the prompt.
This will ask for a confirmation if there are too many completions to fit
on a single page and provide a paginator to walk through them.
"""
from prompt_toolkit.shortcuts.prompt import create_confirm_session
from prompt_toolkit.formatted_text import to_formatted_text
assert isinstance(completions, list)
# Get terminal dimensions.
term_size = app.output.get_size()
term_width = term_size.columns
term_height = term_size.rows
# Calculate amount of required columns/rows for displaying the
# completions. (Keep in mind that completions are displayed
# alphabetically column-wise.)
max_compl_width = min(term_width,
max(get_cwidth(c.display_text) for c in completions) + 1)
column_count = max(1, term_width // max_compl_width)
completions_per_page = column_count * (term_height - 1)
page_count = int(math.ceil(len(completions) / float(completions_per_page)))
# Note: math.ceil can return float on Python2.
def display(page):
# Display completions.
page_completions = completions[page * completions_per_page:
(page + 1) * completions_per_page]
page_row_count = int(math.ceil(len(page_completions) / float(column_count)))
page_columns = [page_completions[i * page_row_count:(i + 1) * page_row_count]
for i in range(column_count)]
result = [] # FormattedText list: (style,text) tuples.
for r in range(page_row_count):
for c in range(column_count):
try:
completion = page_columns[c][r]
style = 'class:readline-like-completions.completion ' + (completion.style or '')
result.extend(to_formatted_text(completion.display, style=style))
# Add padding.
padding = max_compl_width - get_cwidth(completion.display_text)
result.append((completion.style, ' ' * padding,))
except IndexError:
pass
result.append(('', '\n'))
app.print_text(to_formatted_text(result, 'class:readline-like-completions'))
# User interaction through an application generator function.
def run_compl():
" Coroutine. "
if len(completions) > completions_per_page:
# Ask confirmation if it doesn't fit on the screen.
confirm = yield create_confirm_session(
'Display all {} possibilities?'.format(len(completions)),
).prompt(async_=True)
if confirm:
# Display pages.
for page in range(page_count):
display(page)
if page != page_count - 1:
# Display --MORE-- and go to the next page.
show_more = yield _create_more_session('--MORE--').prompt(async_=True)
if not show_more:
return
else:
app.output.flush()
else:
# Display all completions.
display(0)
run_coroutine_in_terminal(run_compl, render_cli_done=True)