def format_output(self, result):
locals: Dict[str, Any] = self.get_locals()
locals["_"] = locals["_%i" % self.current_statement_index] = result
if result is None:
return None
else:
out_prompt = self.get_output_prompt()
try:
result_str = "%r\n" % (result, )
except UnicodeDecodeError:
# In Python 2: `__repr__` should return a bytestring,
# so to put it in a unicode context could raise an
# exception that the 'ascii' codec can't decode certain
# characters. Decode as utf-8 in that case.
result_str = "%s\n" % repr(result).decode( # type: ignore
"utf-8")
# Align every line to the first one.
line_sep = "\n" + " " * fragment_list_width(out_prompt)
result_str = line_sep.join(result_str.splitlines()).strip("")
# Write output tokens.
if self.enable_syntax_highlighting:
formatted_output = FormattedText(
merge_formatted_text([
out_prompt,
PygmentsTokens(list(_lex_python_result(result_str))),
])())
formatted_output.pop()
else:
formatted_output = FormattedText(out_prompt +
[("", result_str)])
return formatted_output
def show_sidebar_button_info(python_input):
"""
Create `Layout` for the information in the right-bottom corner.
(The right part of the status bar.)
"""
@if_mousedown
def toggle_sidebar(mouse_event):
" Click handler for the menu. "
python_input.show_sidebar = not python_input.show_sidebar
version = sys.version_info
tokens = [
('class:status-toolbar.key', '[F2]', toggle_sidebar),
('class:status-toolbar', ' Menu', toggle_sidebar),
('class:status-toolbar', ' - '),
('class:status-toolbar.python-version',
'%s %i.%i.%i' % (platform.python_implementation(), version[0],
version[1], version[2])),
('class:status-toolbar', ' '),
]
width = fragment_list_width(tokens)
def get_text_fragments():
# Python version
return tokens
return ConditionalContainer(
content=Window(FormattedTextControl(get_text_fragments),
style='class:status-toolbar',
height=Dimension.exact(1),
width=Dimension.exact(width)),
filter=~is_done & renderer_height_is_known
& Condition(lambda: python_input.show_status_bar and not python_input.
show_exit_confirmation))
def get_width(self, progress_bar):
if self.width:
return self.width
all_labels = [self._add_suffix(c.label) for c in progress_bar.counters]
if all_labels:
max_widths = max(fragment_list_width(l) for l in all_labels)
return D(preferred=max_widths, max=max_widths)
else:
return D()
def get_width(self, progress_bar):
if self.width:
return self.width
all_labels = [self._add_suffix(c.label) for c in progress_bar.counters]
if all_labels:
max_widths = max(fragment_list_width(l) for l in all_labels)
return D(preferred=max_widths, max=max_widths)
else:
return D()
def get_width(self, progress_bar: "Progress") -> AnyDimension:
all_values = [
self.get_render_text(c) for c in progress_bar.models
if isinstance(c, PlayerModel)
]
if all_values:
max_widths = max(
fragment_list_width(to_formatted_text(v, ''))
for v in all_values)
return max_widths
return 0
def format(self, progress_bar, progress, width):
label = self._add_suffix(progress.label)
cwidth = fragment_list_width(label)
if cwidth > width:
# It doesn't fit -> scroll task name.
label = explode_text_fragments(label)
max_scroll = cwidth - width
current_scroll = int(time.time() * 3 % max_scroll)
label = label[current_scroll:]
return label
def format(self, progress_bar, progress, width):
label = self._add_suffix(progress.label)
cwidth = fragment_list_width(label)
if cwidth > width:
# It doesn't fit -> scroll task name.
label = explode_text_fragments(label)
max_scroll = cwidth - width
current_scroll = int(time.time() * 3 % max_scroll)
label = label[current_scroll:]
return label
def format(self, progress_bar: 'ProgressBar',
progress: 'ProgressBarCounter', width: int) -> AnyFormattedText:
label = self._add_suffix(progress.label)
cwidth = fragment_list_width(label)
if cwidth > width:
# It doesn't fit -> scroll task name.
label = explode_text_fragments(label)
max_scroll = cwidth - width
current_scroll = int(time.time() * 3 % max_scroll)
label = label[current_scroll:]
return label
def get_height_for_line(
self,
lineno: int,
width: int,
get_line_prefix: Optional[GetLinePrefixCallable],
slice_stop: Optional[int] = None,
) -> int:
"""
Return the height that a given line would need if it is rendered in a
space with the given width (using line wrapping).
:param get_line_prefix: None or a `Window.get_line_prefix` callable
that returns the prefix to be inserted before this line.
:param slice_stop: Wrap only "line[:slice_stop]" and return that
partial result. This is needed for scrolling the window correctly
when line wrapping.
:returns: The computed height.
"""
# Instead of using `get_line_prefix` as key, we use render_counter
# instead. This is more reliable, because this function could still be
# the same, while the content would change over time.
key = get_app().render_counter, lineno, width, slice_stop
try:
return self._line_heights_cache[key]
except KeyError:
if width == 0:
height = 10**8
else:
# Calculate line width first.
line = fragment_list_to_text(
self.get_line(lineno))[:slice_stop]
text_width = get_cwidth(line)
if get_line_prefix:
# Add prefix width.
text_width += fragment_list_width(
to_formatted_text(get_line_prefix(lineno, 0)))
# Slower path: compute path when there's a line prefix.
height = 1
# Keep wrapping as long as the line doesn't fit.
# Keep adding new prefixes for every wrapped line.
while text_width > width:
height += 1
text_width -= width
fragments2 = to_formatted_text(
get_line_prefix(lineno, height - 1))
prefix_width = get_cwidth(
fragment_list_to_text(fragments2))
if prefix_width >= width: # Prefix doesn't fit.
height = 10**8
break
text_width += prefix_width
else:
# Fast path: compute height when there's no line prefix.
try:
quotient, remainder = divmod(text_width, width)
except ZeroDivisionError:
height = 10**8
else:
if remainder:
quotient += 1 # Like math.ceil.
height = max(1, quotient)
# Cache and return
self._line_heights_cache[key] = height
return height
def patched_execute(self, line):
"""
Evaluate the line and print the result.
"""
output = self.app.output
# WORKAROUND: Due to a bug in Jedi, the current directory is removed
# from sys.path. See: https://github.com/davidhalter/jedi/issues/1148
if "" not in sys.path:
sys.path.insert(0, "")
def compile_with_flags(code, mode):
" Compile code with the right compiler flags. "
return compile(code, "<stdin>", mode, flags=self.get_compiler_flags(), dont_inherit=True)
if line.lstrip().startswith("\x1a"):
# When the input starts with Ctrl-Z, quit the REPL.
self.app.exit()
elif line.lstrip().startswith("!"):
# Run as shell command
os.system(line[1:])
else:
# Try eval first
try:
code = compile_with_flags(line, "eval")
result = eval(code, self.get_globals(), self.get_locals())
locals = self.get_locals()
locals["_"] = locals["_%i" % self.current_statement_index] = result
if result is not None:
out_prompt = self.get_output_prompt()
try:
result_str = "%r\n" % (result,)
except UnicodeDecodeError:
# In Python 2: `__repr__` should return a bytestring,
# so to put it in a unicode context could raise an
# exception that the 'ascii' codec can't decode certain
# characters. Decode as utf-8 in that case.
result_str = "%s\n" % repr(result).decode("utf-8")
# Align every line to the first one.
line_sep = "\n" + " " * fragment_list_width(out_prompt)
result_str = line_sep.join(result_str.splitlines()) + "\n"
# Support ansi formatting (removed syntax higlighting)
ansi_formatted = ANSI(result_str)._formatted_text
formatted_output = merge_formatted_text([FormattedText(out_prompt) + ansi_formatted])
print_formatted_text(
formatted_output,
style=self._current_style,
style_transformation=self.style_transformation,
include_default_pygments_style=False,
)
# If not a valid `eval` expression, run using `exec` instead.
except SyntaxError:
code = compile_with_flags(line, "exec")
six.exec_(code, self.get_globals(), self.get_locals())
output.flush()
def get_width(self, progress_bar):
return fragment_list_width(self.text)
def get_width(self, progress_bar: 'ProgressBar') -> AnyDimension:
return fragment_list_width(self.text)
def _execute(self, line):
"""
Evaluate the line and print the result.
"""
output = self.app.output
def compile_with_flags(code, mode):
" Compile code with the right compiler flags. "
return compile(code,
'<stdin>',
mode,
flags=self.get_compiler_flags(),
dont_inherit=True)
if line.lstrip().startswith('\x1a'):
# When the input starts with Ctrl-Z, quit the REPL.
self.app.exit()
elif line.lstrip().startswith('!'):
# Run as shell command
os.system(line[1:])
else:
# Try eval first
try:
code = compile_with_flags(line, 'eval')
result = eval(code, self.get_globals(), self.get_locals())
locals = self.get_locals()
locals['_'] = locals['_%i' %
self.current_statement_index] = result
if result is not None:
out_prompt = self.get_output_prompt()
try:
result_str = '%r\n' % (result, )
except UnicodeDecodeError:
# In Python 2: `__repr__` should return a bytestring,
# so to put it in a unicode context could raise an
# exception that the 'ascii' codec can't decode certain
# characters. Decode as utf-8 in that case.
result_str = '%s\n' % repr(result).decode('utf-8')
# Align every line to the first one.
line_sep = '\n' + ' ' * fragment_list_width(out_prompt)
result_str = line_sep.join(result_str.splitlines()) + '\n'
# Write output tokens.
if self.enable_syntax_highlighting:
formatted_output = merge_formatted_text([
out_prompt,
PygmentsTokens(list(
_lex_python_result(result_str))),
])
else:
formatted_output = FormattedText(out_prompt +
[('', result_str)])
print_formatted_text(formatted_output,
style=self._current_style,
include_default_pygments_style=False)
# If not a valid `eval` expression, run using `exec` instead.
except SyntaxError:
code = compile_with_flags(line, 'exec')
six.exec_(code, self.get_globals(), self.get_locals())
output.flush()
def get_height_for_line(
self, lineno: int, width: int,
get_line_prefix: Optional[GetLinePrefixCallable],
slice_stop: Optional[int] = None) -> int:
"""
Return the height that a given line would need if it is rendered in a
space with the given width (using line wrapping).
:param get_line_prefix: None or a `Window.get_line_prefix` callable
that returns the prefix to be inserted before this line.
:param slice_stop: Wrap only "line[:slice_stop]" and return that
partial result. This is needed for scrolling the window correctly
when line wrapping.
:returns: The computed height.
"""
# Instead of using `get_line_prefix` as key, we use render_counter
# instead. This is more reliable, because this function could still be
# the same, while the content would change over time.
key = get_app().render_counter, lineno, width, slice_stop
try:
return self._line_heights_cache[key]
except KeyError:
if width == 0:
height = 10 ** 8
else:
# Calculate line width first.
line = fragment_list_to_text(self.get_line(lineno))[:slice_stop]
text_width = get_cwidth(line)
if get_line_prefix:
# Add prefix width.
text_width += fragment_list_width(
to_formatted_text(get_line_prefix(lineno, 0)))
# Slower path: compute path when there's a line prefix.
height = 1
# Keep wrapping as long as the line doesn't fit.
# Keep adding new prefixes for every wrapped line.
while text_width > width:
height += 1
text_width -= width
fragments2 = to_formatted_text(
get_line_prefix(lineno, height - 1))
prefix_width = get_cwidth(fragment_list_to_text(fragments2))
if prefix_width >= width: # Prefix doesn't fit.
height = 10 ** 8
break
text_width += prefix_width
else:
# Fast path: compute height when there's no line prefix.
try:
quotient, remainder = divmod(text_width, width)
except ZeroDivisionError:
height = 10 ** 8
else:
if remainder:
quotient += 1 # Like math.ceil.
height = max(1, quotient)
# Cache and return
self._line_heights_cache[key] = height
return height
def _execute(self, line):
"""
Evaluate the line and print the result.
"""
output = self.app.output
# WORKAROUND: Due to a bug in Jedi, the current directory is removed
# from sys.path. See: https://github.com/davidhalter/jedi/issues/1148
if '' not in sys.path:
sys.path.insert(0, '')
def compile_with_flags(code, mode):
" Compile code with the right compiler flags. "
return compile(code, '<stdin>', mode,
flags=self.get_compiler_flags(),
dont_inherit=True)
if line.lstrip().startswith('\x1a'):
# When the input starts with Ctrl-Z, quit the REPL.
self.app.exit()
elif line.lstrip().startswith('!'):
# Run as shell command
os.system(line[1:])
else:
# Try eval first
try:
code = compile_with_flags(line, 'eval')
result = eval(code, self.get_globals(), self.get_locals())
locals = self.get_locals()
locals['_'] = locals['_%i' % self.current_statement_index] = result
if result is not None:
out_prompt = self.get_output_prompt()
try:
result_str = '%r\n' % (result, )
except UnicodeDecodeError:
# In Python 2: `__repr__` should return a bytestring,
# so to put it in a unicode context could raise an
# exception that the 'ascii' codec can't decode certain
# characters. Decode as utf-8 in that case.
result_str = '%s\n' % repr(result).decode('utf-8')
# Align every line to the first one.
line_sep = '\n' + ' ' * fragment_list_width(out_prompt)
result_str = line_sep.join(result_str.splitlines()) + '\n'
# Write output tokens.
if self.enable_syntax_highlighting:
formatted_output = merge_formatted_text([
out_prompt,
PygmentsTokens(list(_lex_python_result(result_str))),
])
else:
formatted_output = FormattedText(
out_prompt + [('', result_str)])
print_formatted_text(
formatted_output, style=self._current_style,
style_transformation=self.style_transformation,
include_default_pygments_style=False)
# If not a valid `eval` expression, run using `exec` instead.
except SyntaxError:
code = compile_with_flags(line, 'exec')
six.exec_(code, self.get_globals(), self.get_locals())
output.flush()
def get_width(self, progress_bar):
return fragment_list_width(self.text)