325 lines
12 KiB
Python
325 lines
12 KiB
Python
# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2025)
|
||
#
|
||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||
# you may not use this file except in compliance with the License.
|
||
# You may obtain a copy of the License at
|
||
#
|
||
# http://www.apache.org/licenses/LICENSE-2.0
|
||
#
|
||
# Unless required by applicable law or agreed to in writing, software
|
||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
# See the License for the specific language governing permissions and
|
||
# limitations under the License.
|
||
|
||
from __future__ import annotations
|
||
|
||
from typing import TYPE_CHECKING, cast
|
||
|
||
from streamlit.elements.lib.layout_utils import validate_width
|
||
from streamlit.proto.Alert_pb2 import Alert as AlertProto
|
||
from streamlit.proto.WidthConfig_pb2 import WidthConfig
|
||
from streamlit.runtime.metrics_util import gather_metrics
|
||
from streamlit.string_util import clean_text, validate_icon_or_emoji
|
||
|
||
if TYPE_CHECKING:
|
||
from streamlit.delta_generator import DeltaGenerator
|
||
from streamlit.elements.lib.layout_utils import WidthWithoutContent
|
||
from streamlit.type_util import SupportsStr
|
||
|
||
|
||
class AlertMixin:
|
||
@gather_metrics("error")
|
||
def error(
|
||
self,
|
||
body: SupportsStr,
|
||
*, # keyword-only args:
|
||
icon: str | None = None,
|
||
width: WidthWithoutContent = "stretch",
|
||
) -> DeltaGenerator:
|
||
"""Display error message.
|
||
|
||
Parameters
|
||
----------
|
||
body : str
|
||
The text to display as GitHub-flavored Markdown. Syntax
|
||
information can be found at: https://github.github.com/gfm.
|
||
|
||
See the ``body`` parameter of |st.markdown|_ for additional,
|
||
supported Markdown directives.
|
||
|
||
.. |st.markdown| replace:: ``st.markdown``
|
||
.. _st.markdown: https://docs.streamlit.io/develop/api-reference/text/st.markdown
|
||
icon : str, None
|
||
An optional emoji or icon to display next to the alert. If ``icon``
|
||
is ``None`` (default), no icon is displayed. If ``icon`` is a
|
||
string, the following options are valid:
|
||
|
||
- A single-character emoji. For example, you can set ``icon="🚨"``
|
||
or ``icon="🔥"``. Emoji short codes are not supported.
|
||
|
||
- An icon from the Material Symbols library (rounded style) in the
|
||
format ``":material/icon_name:"`` where "icon_name" is the name
|
||
of the icon in snake case.
|
||
|
||
For example, ``icon=":material/thumb_up:"`` will display the
|
||
Thumb Up icon. Find additional icons in the `Material Symbols \
|
||
<https://fonts.google.com/icons?icon.set=Material+Symbols&icon.style=Rounded>`_
|
||
font library.
|
||
width : "stretch" or int
|
||
The width of the alert element. This can be one of the following:
|
||
|
||
- ``"stretch"`` (default): The width of the element matches the
|
||
width of the parent container.
|
||
- An integer specifying the width in pixels: The element has a
|
||
fixed width. If the specified width is greater than the width of
|
||
the parent container, the width of the element matches the width
|
||
of the parent container.
|
||
|
||
Example
|
||
-------
|
||
>>> import streamlit as st
|
||
>>>
|
||
>>> st.error('This is an error', icon="🚨")
|
||
|
||
"""
|
||
alert_proto = AlertProto()
|
||
|
||
alert_proto.icon = validate_icon_or_emoji(icon)
|
||
alert_proto.body = clean_text(body)
|
||
alert_proto.format = AlertProto.ERROR
|
||
|
||
validate_width(width)
|
||
|
||
width_config = WidthConfig()
|
||
|
||
if isinstance(width, int):
|
||
width_config.pixel_width = width
|
||
else:
|
||
width_config.use_stretch = True
|
||
|
||
alert_proto.width_config.CopyFrom(width_config)
|
||
|
||
return self.dg._enqueue("alert", alert_proto)
|
||
|
||
@gather_metrics("warning")
|
||
def warning(
|
||
self,
|
||
body: SupportsStr,
|
||
*, # keyword-only args:
|
||
icon: str | None = None,
|
||
width: WidthWithoutContent = "stretch",
|
||
) -> DeltaGenerator:
|
||
"""Display warning message.
|
||
|
||
Parameters
|
||
----------
|
||
body : str
|
||
The text to display as GitHub-flavored Markdown. Syntax
|
||
information can be found at: https://github.github.com/gfm.
|
||
|
||
See the ``body`` parameter of |st.markdown|_ for additional,
|
||
supported Markdown directives.
|
||
|
||
.. |st.markdown| replace:: ``st.markdown``
|
||
.. _st.markdown: https://docs.streamlit.io/develop/api-reference/text/st.markdown
|
||
icon : str, None
|
||
An optional emoji or icon to display next to the alert. If ``icon``
|
||
is ``None`` (default), no icon is displayed. If ``icon`` is a
|
||
string, the following options are valid:
|
||
|
||
- A single-character emoji. For example, you can set ``icon="🚨"``
|
||
or ``icon="🔥"``. Emoji short codes are not supported.
|
||
|
||
- An icon from the Material Symbols library (rounded style) in the
|
||
format ``":material/icon_name:"`` where "icon_name" is the name
|
||
of the icon in snake case.
|
||
|
||
For example, ``icon=":material/thumb_up:"`` will display the
|
||
Thumb Up icon. Find additional icons in the `Material Symbols \
|
||
<https://fonts.google.com/icons?icon.set=Material+Symbols&icon.style=Rounded>`_
|
||
font library.
|
||
width : "stretch" or int
|
||
The width of the warning element. This can be one of the following:
|
||
|
||
- ``"stretch"`` (default): The width of the element matches the
|
||
width of the parent container.
|
||
- An integer specifying the width in pixels: The element has a
|
||
fixed width. If the specified width is greater than the width of
|
||
the parent container, the width of the element matches the width
|
||
of the parent container.
|
||
|
||
Example
|
||
-------
|
||
>>> import streamlit as st
|
||
>>>
|
||
>>> st.warning('This is a warning', icon="⚠️")
|
||
|
||
"""
|
||
alert_proto = AlertProto()
|
||
alert_proto.body = clean_text(body)
|
||
alert_proto.icon = validate_icon_or_emoji(icon)
|
||
alert_proto.format = AlertProto.WARNING
|
||
|
||
validate_width(width)
|
||
|
||
width_config = WidthConfig()
|
||
|
||
if isinstance(width, int):
|
||
width_config.pixel_width = width
|
||
else:
|
||
width_config.use_stretch = True
|
||
|
||
alert_proto.width_config.CopyFrom(width_config)
|
||
|
||
return self.dg._enqueue("alert", alert_proto)
|
||
|
||
@gather_metrics("info")
|
||
def info(
|
||
self,
|
||
body: SupportsStr,
|
||
*, # keyword-only args:
|
||
icon: str | None = None,
|
||
width: WidthWithoutContent = "stretch",
|
||
) -> DeltaGenerator:
|
||
"""Display an informational message.
|
||
|
||
Parameters
|
||
----------
|
||
body : str
|
||
The text to display as GitHub-flavored Markdown. Syntax
|
||
information can be found at: https://github.github.com/gfm.
|
||
|
||
See the ``body`` parameter of |st.markdown|_ for additional,
|
||
supported Markdown directives.
|
||
|
||
.. |st.markdown| replace:: ``st.markdown``
|
||
.. _st.markdown: https://docs.streamlit.io/develop/api-reference/text/st.markdown
|
||
icon : str, None
|
||
An optional emoji or icon to display next to the alert. If ``icon``
|
||
is ``None`` (default), no icon is displayed. If ``icon`` is a
|
||
string, the following options are valid:
|
||
|
||
- A single-character emoji. For example, you can set ``icon="🚨"``
|
||
or ``icon="🔥"``. Emoji short codes are not supported.
|
||
|
||
- An icon from the Material Symbols library (rounded style) in the
|
||
format ``":material/icon_name:"`` where "icon_name" is the name
|
||
of the icon in snake case.
|
||
|
||
For example, ``icon=":material/thumb_up:"`` will display the
|
||
Thumb Up icon. Find additional icons in the `Material Symbols \
|
||
<https://fonts.google.com/icons?icon.set=Material+Symbols&icon.style=Rounded>`_
|
||
font library.
|
||
width : "stretch" or int
|
||
The width of the info element. This can be one of the following:
|
||
|
||
- ``"stretch"`` (default): The width of the element matches the
|
||
width of the parent container.
|
||
- An integer specifying the width in pixels: The element has a
|
||
fixed width. If the specified width is greater than the width of
|
||
the parent container, the width of the element matches the width
|
||
of the parent container.
|
||
|
||
Example
|
||
-------
|
||
>>> import streamlit as st
|
||
>>>
|
||
>>> st.info('This is a purely informational message', icon="ℹ️")
|
||
|
||
""" # noqa: RUF002
|
||
|
||
alert_proto = AlertProto()
|
||
alert_proto.body = clean_text(body)
|
||
alert_proto.icon = validate_icon_or_emoji(icon)
|
||
alert_proto.format = AlertProto.INFO
|
||
|
||
validate_width(width)
|
||
|
||
width_config = WidthConfig()
|
||
|
||
if isinstance(width, int):
|
||
width_config.pixel_width = width
|
||
else:
|
||
width_config.use_stretch = True
|
||
|
||
alert_proto.width_config.CopyFrom(width_config)
|
||
|
||
return self.dg._enqueue("alert", alert_proto)
|
||
|
||
@gather_metrics("success")
|
||
def success(
|
||
self,
|
||
body: SupportsStr,
|
||
*, # keyword-only args:
|
||
icon: str | None = None,
|
||
width: WidthWithoutContent = "stretch",
|
||
) -> DeltaGenerator:
|
||
"""Display a success message.
|
||
|
||
Parameters
|
||
----------
|
||
body : str
|
||
The text to display as GitHub-flavored Markdown. Syntax
|
||
information can be found at: https://github.github.com/gfm.
|
||
|
||
See the ``body`` parameter of |st.markdown|_ for additional,
|
||
supported Markdown directives.
|
||
|
||
.. |st.markdown| replace:: ``st.markdown``
|
||
.. _st.markdown: https://docs.streamlit.io/develop/api-reference/text/st.markdown
|
||
icon : str, None
|
||
An optional emoji or icon to display next to the alert. If ``icon``
|
||
is ``None`` (default), no icon is displayed. If ``icon`` is a
|
||
string, the following options are valid:
|
||
|
||
- A single-character emoji. For example, you can set ``icon="🚨"``
|
||
or ``icon="🔥"``. Emoji short codes are not supported.
|
||
|
||
- An icon from the Material Symbols library (rounded style) in the
|
||
format ``":material/icon_name:"`` where "icon_name" is the name
|
||
of the icon in snake case.
|
||
|
||
For example, ``icon=":material/thumb_up:"`` will display the
|
||
Thumb Up icon. Find additional icons in the `Material Symbols \
|
||
<https://fonts.google.com/icons?icon.set=Material+Symbols&icon.style=Rounded>`_
|
||
font library.
|
||
width : "stretch" or int
|
||
The width of the success element. This can be one of the following:
|
||
|
||
- ``"stretch"`` (default): The width of the element matches the
|
||
width of the parent container.
|
||
- An integer specifying the width in pixels: The element has a
|
||
fixed width. If the specified width is greater than the width of
|
||
the parent container, the width of the element matches the width
|
||
of the parent container.
|
||
|
||
Example
|
||
-------
|
||
>>> import streamlit as st
|
||
>>>
|
||
>>> st.success('This is a success message!', icon="✅")
|
||
|
||
"""
|
||
alert_proto = AlertProto()
|
||
alert_proto.body = clean_text(body)
|
||
alert_proto.icon = validate_icon_or_emoji(icon)
|
||
alert_proto.format = AlertProto.SUCCESS
|
||
|
||
validate_width(width)
|
||
|
||
width_config = WidthConfig()
|
||
|
||
if isinstance(width, int):
|
||
width_config.pixel_width = width
|
||
else:
|
||
width_config.use_stretch = True
|
||
|
||
alert_proto.width_config.CopyFrom(width_config)
|
||
|
||
return self.dg._enqueue("alert", alert_proto)
|
||
|
||
@property
|
||
def dg(self) -> DeltaGenerator:
|
||
"""Get our DeltaGenerator."""
|
||
return cast("DeltaGenerator", self)
|