def echo():
"""Use in a `with` block to draw some code on the app, then execute it.
Example
-------
>>> with st.echo():
>>> st.write('This code will be printed')
"""
code = empty() # noqa: F821
try:
frame = _traceback.extract_stack()[-3]
if _is_running_py3():
filename, start_line = frame.filename, frame.lineno
else:
filename, start_line = frame[:2]
yield
frame = _traceback.extract_stack()[-3]
if _is_running_py3():
end_line = frame.lineno
else:
end_line = frame[1]
lines_to_display = []
with _source_util.open_python_file(filename) as source_file:
source_lines = source_file.readlines()
lines_to_display.extend(source_lines[start_line:end_line])
initial_spaces = _SPACES_RE.match(lines_to_display[0]).end()
for line in source_lines[end_line:]:
indentation = _SPACES_RE.match(line).end()
# The != 1 is because we want to allow '\n' between sections.
if indentation != 1 and indentation < initial_spaces:
break
lines_to_display.append(line)
lines_to_display = _textwrap.dedent("".join(lines_to_display))
code.code(lines_to_display, "python")
except FileNotFoundError as err: # noqa: F821
code.warning("Unable to display code. %s" % err)
def echo():
"""Use in a `with` block to draw some code on the report, then execute it.
Example
-------
>>> with st.echo():
>>> st.write('This code will be printed')
"""
code = empty() # noqa: F821
try:
frame = _traceback.extract_stack()[-3]
if _is_running_py3():
filename, start_line = frame.filename, frame.lineno
else:
filename, start_line = frame[:2]
yield
frame = _traceback.extract_stack()[-3]
if _is_running_py3():
end_line = frame.lineno
else:
end_line = frame[1]
lines_to_display = []
with open(filename) as source_file:
source_lines = source_file.readlines()
lines_to_display.extend(source_lines[start_line:end_line])
initial_spaces = _SPACES_RE.match(lines_to_display[0]).end()
for line in source_lines[end_line:]:
if _SPACES_RE.match(line).end() < initial_spaces:
break
lines_to_display.append(line)
lines_to_display = _textwrap.dedent(''.join(lines_to_display))
code.code(lines_to_display, 'python')
except FileNotFoundError as err: # noqa: F821
code.warning('Unable to display code. %s' % err)
"DataFrame", # pandas.core.frame.DataFrame
"Index", # pandas.core.indexes.base.Index
"Series", # pandas.core.series.Series
"Styler", # pandas.io.formats.style.Styler
"ndarray", # numpy.ndarray
)
_HELP_TYPES = (
_types.BuiltinFunctionType,
_types.BuiltinMethodType,
_types.FunctionType,
_types.MethodType,
_types.ModuleType,
)
if not _is_running_py3():
_HELP_TYPES = list(_HELP_TYPES)
_HELP_TYPES.append(_types.ClassType)
_HELP_TYPES.append(_types.InstanceType)
_HELP_TYPES = tuple(_HELP_TYPES)
def write(*args, **kwargs):
"""Write arguments to the app.
This is the swiss-army knife of Streamlit commands. It does different
things depending on what you throw at it.
Unlike other Streamlit commands, write() has some unique properties:
1. You can pass in multiple arguments, all of which will be written.