Merge branch 'main' into feature/bypass-arrow-serialization

README.md

@@ -328,6 +328,9 @@ data_in_bytes = await response.bytes()
   A tutorial to convert a Streamlit app to an executable file with stlite and a demo to run it on an offline machine.
 - [📖 "Is This the Easiest Way to Build Your Streamlit App?", by Shantala Mukherjee](https://onlyweb.hashnode.dev/is-this-the-easiest-way-to-build-your-streamlit-app)
 - [📖 "The Best Python Desktop App Framework?", by Caleb Robey at Depot Analytics](https://www.depotanalytics.co/post/the-best-python-desktop-app-framework)
+- [📖 "Python-Based Data Viz (With No Installation Required)", by Sam Minot](https://towardsdatascience.com/python-based-data-viz-with-no-installation-required-aaf2358c881)
+- [📖 "Converting Streamlit application to exe file", by Neelasha Sen](https://ploomber.io/blog/streamlit_exe/)
+- [📖 "Streamlit + Stlite: Beyond Data Science Applications", by Saumitra Panchal](https://medium.com/@saumitrapanchal/streamlit-stlite-beyond-data-science-applications-23de64648883)
 
 ## Samples
 

packages/desktop/bin/dump_artifacts.ts

@@ -150,7 +150,7 @@ async function createSitePackagesSnapshot(
       pyodide,
       path.join(
         stliteKernelPyDir,
-        "streamlit/lib/dist/streamlit-1.24.0-py2.py3-none-any.whl"
+        "streamlit/lib/dist/streamlit-1.24.0-cp311-none-any.whl"
       )
     );
   } else {

packages/sharing-editor/public/samples/015_chart_theme/pages/charts.altair_chart.py

@@ -0,0 +1,37 @@
+import altair as alt
+import streamlit as st
+from vega_datasets import data
+
+
+@st.cache_data
+def get_chart(use_container_width: bool):
+    import altair as alt
+    from vega_datasets import data
+
+    source = data.cars()
+
+    chart = (
+        alt.Chart(source)
+        .mark_circle()
+        .encode(
+            x="Horsepower",
+            y="Miles_per_Gallon",
+            color="Origin",
+        )
+        .interactive()
+    )
+
+    tab1, tab2 = st.tabs(["Streamlit theme (default)", "Altair native theme"])
+
+    with tab1:
+        st.altair_chart(
+            chart, use_container_width=use_container_width, theme="streamlit"
+        )
+    with tab2:
+        st.altair_chart(chart, use_container_width=use_container_width, theme=None)
+
+
+try:
+    get_chart(use_container_width=True)
+except Exception as e:
+    st.exception(e)

packages/sharing-editor/public/samples/015_chart_theme/pages/charts.altair_custom_colors.py

@@ -0,0 +1,75 @@
+import altair as alt
+import streamlit as st
+from vega_datasets import data
+
+
+@st.cache_data
+def get_chart(use_container_width: bool):
+    import altair as alt
+    from vega_datasets import data
+
+    source = data.seattle_weather()
+
+    scale = alt.Scale(
+        domain=["sun", "fog", "drizzle", "rain", "snow"],
+        range=["#e7ba52", "#a7a7a7", "#aec7e8", "#1f77b4", "#9467bd"],
+    )
+    color = alt.Color("weather:N", scale=scale)
+
+    # We create two selections:
+    # - a brush that is active on the top panel
+    # - a multi-click that is active on sthe bottom panel
+    brush = alt.selection_interval(encodings=["x"])
+    click = alt.selection_multi(encodings=["color"])
+
+    # Top panel is scatter plot of temperature vs time
+    points = (
+        alt.Chart()
+        .mark_point()
+        .encode(
+            alt.X("monthdate(date):T", title="Date"),
+            alt.Y(
+                "temp_max:Q",
+                title="Maximum Daily Temperature (C)",
+                scale=alt.Scale(domain=[-5, 40]),
+            ),
+            color=alt.condition(brush, color, alt.value("lightgray")),
+            size=alt.Size("precipitation:Q", scale=alt.Scale(range=[5, 200])),
+        )
+        .properties(width=550, height=300)
+        .add_selection(brush)
+        .transform_filter(click)
+    )
+
+    # Bottom panel is a bar chart of weather type
+    bars = (
+        alt.Chart()
+        .mark_bar()
+        .encode(
+            x="count()",
+            y="weather:N",
+            color=alt.condition(click, color, alt.value("lightgray")),
+        )
+        .transform_filter(brush)
+        .properties(
+            width=550,
+        )
+        .add_selection(click)
+    )
+
+    chart = alt.vconcat(points, bars, data=source, title="Seattle Weather: 2012-2015")
+
+    tab1, tab2 = st.tabs(["Streamlit theme (default)", "Altair native theme"])
+
+    with tab1:
+        st.altair_chart(
+            chart, use_container_width=use_container_width, theme="streamlit"
+        )
+    with tab2:
+        st.altair_chart(chart, use_container_width=use_container_width, theme=None)
+
+
+try:
+    get_chart(use_container_width=True)
+except Exception as e:
+    st.exception(e)

packages/sharing-editor/public/samples/015_chart_theme/pages/charts.plotly_chart_theme.py

@@ -0,0 +1,30 @@
+import plotly.express as px
+import streamlit as st
+
+
+@st.cache_data
+def get_chart(use_container_width: bool):
+    df = px.data.gapminder()
+
+    fig = px.scatter(
+        df.query("year==2007"),
+        x="gdpPercap",
+        y="lifeExp",
+        size="pop",
+        color="continent",
+        hover_name="country",
+        log_x=True,
+        size_max=60,
+    )
+
+    tab1, tab2 = st.tabs(["Streamlit theme (default)", "Plotly native theme"])
+    with tab1:
+        st.plotly_chart(fig, use_container_width=use_container_width, theme="streamlit")
+    with tab2:
+        st.plotly_chart(fig, use_container_width=use_container_width, theme=None)
+
+
+try:
+    get_chart(use_container_width=True)
+except Exception as e:
+    st.exception(e)

packages/sharing-editor/public/samples/015_chart_theme/pages/charts.plotly_custom_colors.py

@@ -0,0 +1,28 @@
+import plotly.express as px
+import plotly.graph_objects as go
+import streamlit as st
+
+
+@st.cache_data
+def get_chart_1111(use_conatiner_width: bool):
+    st.subheader("Define a custom colorscale")
+    df = px.data.iris()  # replace with your own data source
+    fig = px.scatter(
+        df,
+        x="sepal_width",
+        y="sepal_length",
+        color="sepal_length",
+        color_continuous_scale="reds",
+    )
+
+    tab1, tab2 = st.tabs(["Streamlit theme (default)", "Plotly native theme"])
+    with tab1:
+        st.plotly_chart(fig, use_conatiner_width=use_conatiner_width, theme="streamlit")
+    with tab2:
+        st.plotly_chart(fig, use_conatiner_width=use_conatiner_width, theme=None)
+
+
+try:
+    get_chart_1111(use_conatiner_width=True)
+except Exception as e:
+    st.exception(e)

packages/sharing-editor/public/samples/015_chart_theme/pages/charts.vega_lite_theme.py

@@ -0,0 +1,40 @@
+import streamlit as st
+from vega_datasets import data
+
+
+@st.cache_data
+def get_chart(use_container_width: bool):
+    source = data.cars()
+
+    chart = {
+        "mark": "point",
+        "encoding": {
+            "x": {
+                "field": "Horsepower",
+                "type": "quantitative",
+            },
+            "y": {
+                "field": "Miles_per_Gallon",
+                "type": "quantitative",
+            },
+            "color": {"field": "Origin", "type": "nominal"},
+            "shape": {"field": "Origin", "type": "nominal"},
+        },
+    }
+
+    tab1, tab2 = st.tabs(["Streamlit theme (default)", "Vega-Lite native theme"])
+
+    with tab1:
+        st.vega_lite_chart(
+            source, chart, use_container_width=use_container_width, theme="streamlit"
+        )
+    with tab2:
+        st.vega_lite_chart(
+            source, chart, use_container_width=use_container_width, theme=None
+        )
+
+
+try:
+    get_chart(use_container_width=True)
+except Exception as e:
+    st.exception(e)

packages/sharing-editor/public/samples/015_chart_theme/requirements.txt

@@ -0,0 +1,2 @@
+vega_datasets
+plotly==5.1.0

packages/sharing-editor/public/samples/015_chart_theme/stlite.json

@@ -0,0 +1,4 @@
+{
+  "title": "Theme",
+  "entrypoint": "streamlit_app.py"
+}

packages/sharing-editor/public/samples/020_streamlit_e2e_tests/pages/app_hotkeys.py

@@ -0,0 +1,17 @@
+# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
+#
+# 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.
+
+import streamlit as st
+
+st.text_input("text_input")

packages/sharing-editor/public/samples/020_streamlit_e2e_tests/pages/cached_widget_replay_widget_key.py

@@ -0,0 +1,30 @@
+# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
+#
+# 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.
+
+import streamlit as st
+
+st.button("click to rerun")
+
+side_effects = []
+
+
+@st.experimental_memo(experimental_allow_widgets=True)
+def foo():
+    side_effects.append("function ran")
+    r = st.radio("radio", ["foo", "bar", "baz", "qux"], index=1)
+    return r
+
+
+foo()
+st.text(side_effects)

packages/sharing-editor/public/samples/020_streamlit_e2e_tests/pages/components_declare_component.py

@@ -0,0 +1,20 @@
+# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
+#
+# 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.
+
+import streamlit.components.v1 as components
+
+url = "http://not.a.real.url"
+test_component = components.declare_component("test_component", url=url)
+
+test_component()

packages/sharing-editor/public/samples/020_streamlit_e2e_tests/pages/components_html.py

@@ -0,0 +1,18 @@
+# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
+#
+# 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.
+
+import streamlit.components.v1 as components
+
+html = r"<h1>Hello, Streamlit!</h1>"
+components.html(html, width=200, height=500, scrolling=False)

packages/sharing-editor/public/samples/020_streamlit_e2e_tests/pages/components_iframe.py

@@ -0,0 +1,18 @@
+# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
+#
+# 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.
+
+import streamlit.components.v1 as components
+
+src = "http://not.a.real.url"
+components.iframe(src, width=200, height=500, scrolling=True)

packages/sharing-editor/public/samples/020_streamlit_e2e_tests/pages/deploy_button.py

@@ -0,0 +1,18 @@
+# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
+#
+# 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.
+
+import streamlit as st
+
+# no need to set it using this since we add ?_stcore_testing=true to the url param
+# st.experimental_set_query_params(_stcore_testing="true")

packages/sharing-editor/public/samples/020_streamlit_e2e_tests/pages/empty_labels.py

@@ -0,0 +1,19 @@
+# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
+#
+# 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.
+
+import streamlit as st
+
+a, b = st.columns(2)
+a.selectbox("With label", [])
+b.selectbox("", [])  # No label