Mise à jour de Monitor.py et autres scripts
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myenv/lib/python3.11/site-packages/streamlit/elements/image.py
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myenv/lib/python3.11/site-packages/streamlit/elements/image.py
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# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2025)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Some casts in this file are only occasionally necessary depending on the
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# user's Python version, and mypy doesn't have a good way of toggling this
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# specific config option at a per-line level.
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# mypy: no-warn-unused-ignores
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"""Image marshalling."""
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from __future__ import annotations
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from typing import TYPE_CHECKING, Literal, Union, cast
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from typing_extensions import TypeAlias
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from streamlit.deprecation_util import show_deprecation_warning
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from streamlit.elements.lib.image_utils import (
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Channels,
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ImageFormatOrAuto,
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ImageOrImageList,
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WidthBehavior,
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marshall_images,
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)
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from streamlit.errors import StreamlitAPIException
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from streamlit.proto.Image_pb2 import ImageList as ImageListProto
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from streamlit.runtime.metrics_util import gather_metrics
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if TYPE_CHECKING:
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from streamlit.delta_generator import DeltaGenerator
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UseColumnWith: TypeAlias = Union[Literal["auto", "always", "never"], bool, None]
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class ImageMixin:
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@gather_metrics("image")
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def image(
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self,
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image: ImageOrImageList,
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# TODO: Narrow type of caption, dependent on type of image,
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# by way of overload
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caption: str | list[str] | None = None,
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width: int | None = None,
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use_column_width: UseColumnWith = None,
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clamp: bool = False,
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channels: Channels = "RGB",
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output_format: ImageFormatOrAuto = "auto",
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*,
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use_container_width: bool = False,
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) -> DeltaGenerator:
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"""Display an image or list of images.
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Parameters
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----------
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image : numpy.ndarray, BytesIO, str, Path, or list of these
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The image to display. This can be one of the following:
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- A URL (string) for a hosted image.
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- A path to a local image file. The path can be a ``str``
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or ``Path`` object. Paths can be absolute or relative to the
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working directory (where you execute ``streamlit run``).
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- An SVG string like ``<svg xmlns=...</svg>``.
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- A byte array defining an image. This includes monochrome images of
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shape (w,h) or (w,h,1), color images of shape (w,h,3), or RGBA
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images of shape (w,h,4), where w and h are the image width and
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height, respectively.
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- A list of any of the above. Streamlit displays the list as a
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row of images that overflow to additional rows as needed.
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caption : str or list of str
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Image caption(s). If this is ``None`` (default), no caption is
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displayed. If ``image`` is a list of multiple images, ``caption``
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must be a list of captions (one caption for each image) or
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``None``.
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Captions can optionally contain GitHub-flavored Markdown. Syntax
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information can be found at: https://github.github.com/gfm.
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See the ``body`` parameter of |st.markdown|_ for additional,
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supported Markdown directives.
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.. |st.markdown| replace:: ``st.markdown``
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.. _st.markdown: https://docs.streamlit.io/develop/api-reference/text/st.markdown
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width : int or None
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Image width. If this is ``None`` (default), Streamlit will use the
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image's native width, up to the width of the parent container.
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When using an SVG image without a default width, you should declare
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``width`` or use ``use_container_width=True``.
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use_column_width : "auto", "always", "never", or bool
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If "auto", set the image's width to its natural size,
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but do not exceed the width of the column.
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If "always" or True, set the image's width to the column width.
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If "never" or False, set the image's width to its natural size.
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Note: if set, `use_column_width` takes precedence over the `width` parameter.
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clamp : bool
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Whether to clamp image pixel values to a valid range (0-255 per
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channel). This is only used for byte array images; the parameter is
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ignored for image URLs and files. If this is ``False`` (default)
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and an image has an out-of-range value, a ``RuntimeError`` will be
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raised.
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channels : "RGB" or "BGR"
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The color format when ``image`` is an ``nd.array``. This is ignored
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for other image types. If this is ``"RGB"`` (default),
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``image[:, :, 0]`` is the red channel, ``image[:, :, 1]`` is the
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green channel, and ``image[:, :, 2]`` is the blue channel. For
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images coming from libraries like OpenCV, you should set this to
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``"BGR"`` instead.
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output_format : "JPEG", "PNG", or "auto"
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The output format to use when transferring the image data. If this
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is ``"auto"`` (default), Streamlit identifies the compression type
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based on the type and format of the image. Photos should use the
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``"JPEG"`` format for lossy compression while diagrams should use
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the ``"PNG"`` format for lossless compression.
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use_container_width : bool
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Whether to override ``width`` with the width of the parent
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container. If ``use_container_width`` is ``False`` (default),
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Streamlit sets the image's width according to ``width``. If
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``use_container_width`` is ``True``, Streamlit sets the width of
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the image to match the width of the parent container.
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.. deprecated::
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``use_column_width`` is deprecated and will be removed in a future
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release. Please use the ``use_container_width`` parameter instead.
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Example
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-------
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>>> import streamlit as st
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>>> st.image("sunrise.jpg", caption="Sunrise by the mountains")
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.. output::
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https://doc-image.streamlit.app/
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height: 710px
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"""
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if use_container_width is True and use_column_width is not None:
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raise StreamlitAPIException(
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"`use_container_width` and `use_column_width` cannot be set at the same time.",
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"Please utilize `use_container_width` since `use_column_width` is deprecated.",
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)
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image_width: int = (
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WidthBehavior.ORIGINAL if (width is None or width <= 0) else width
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)
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if use_column_width is not None:
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show_deprecation_warning(
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"The `use_column_width` parameter has been deprecated and will be removed "
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"in a future release. Please utilize the `use_container_width` parameter instead."
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)
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if use_column_width == "auto":
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image_width = WidthBehavior.AUTO
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elif use_column_width == "always" or use_column_width is True:
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image_width = WidthBehavior.COLUMN
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elif use_column_width == "never" or use_column_width is False:
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image_width = WidthBehavior.ORIGINAL
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else:
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if use_container_width is True:
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image_width = WidthBehavior.MAX_IMAGE_OR_CONTAINER
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elif image_width is not None and image_width > 0:
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# Use the given width. It will be capped on the frontend if it
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# exceeds the container width.
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pass
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elif use_container_width is False:
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image_width = WidthBehavior.MIN_IMAGE_OR_CONTAINER
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image_list_proto = ImageListProto()
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marshall_images(
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self.dg._get_delta_path_str(),
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image,
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caption,
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image_width,
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image_list_proto,
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clamp,
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channels,
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output_format,
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)
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return self.dg._enqueue("imgs", image_list_proto)
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@property
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def dg(self) -> DeltaGenerator:
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"""Get our DeltaGenerator."""
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return cast("DeltaGenerator", self)
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