Update app.py

app.py

@@ -1,157 +1,65 @@
-from pathlib import Path
-from typing import List, Dict, Tuple
-import matplotlib.colors as mpl_colors
-
-import pandas as pd
-import seaborn as sns
-import shinyswatch
-
-import shiny.experimental as x
-from shiny import App, Inputs, Outputs, Session, reactive, render, req, ui
-
-sns.set_theme()
-
-www_dir = Path(__file__).parent.resolve() / "www"
-
-df = pd.read_csv(Path(__file__).parent / "penguins.csv", na_values="NA")
-numeric_cols: List[str] = df.select_dtypes(include=["float64"]).columns.tolist()
-species: List[str] = df["Species"].unique().tolist()
-species.sort()
-
-app_ui = x.ui.page_fillable(
-    shinyswatch.theme.minty(),
-    x.ui.layout_sidebar(
-        x.ui.sidebar(
-            # Artwork by @allison_horst
-            ui.input_selectize(
-                "xvar",
-                "X variable",
-                numeric_cols,
-                selected="Bill Length (mm)",
-            ),
-            ui.input_selectize(
-                "yvar",
-                "Y variable",
-                numeric_cols,
-                selected="Bill Depth (mm)",
-            ),
-            ui.input_checkbox_group(
-                "species", "Filter by species", species, selected=species
-            ),
-            ui.hr(),
-            ui.input_switch("by_species", "Show species", value=True),
-            ui.input_switch("show_margins", "Show marginal plots", value=True),
-        ),
-        ui.output_ui("value_boxes"),
-        x.ui.output_plot("scatter", fill=True),
-        ui.help_text(
-            "Artwork by ",
-            ui.a("@allison_horst", href="https://twitter.com/allison_horst"),
-            class_="text-end",
-        ),
-        fill=True,
-        fillable=True,
-    ),
-)
-
-
-def server(input: Inputs, output: Outputs, session: Session):
-    @reactive.Calc
-    def filtered_df() -> pd.DataFrame:
-        """Returns a Pandas data frame that includes only the desired rows"""
-
-        # This calculation "req"uires that at least one species is selected
-        req(len(input.species()) > 0)
-
-        # Filter the rows so we only include the desired species
-        return df[df["Species"].isin(input.species())]
-
-    @output
-    @render.plot
-    def scatter():
-        """Generates a plot for Shiny to display to the user"""
-
-        # The plotting function to use depends on whether margins are desired
-        plotfunc = sns.jointplot if input.show_margins() else sns.scatterplot
-
-        plotfunc(
-            data=filtered_df(),
-            x=input.xvar(),
-            y=input.yvar(),
-            palette=palette,
-            hue="Species" if input.by_species() else None,
-            hue_order=species,
-            legend=False,
-        )
-
-    @output
-    @render.ui
-    def value_boxes():
-        df = filtered_df()
-
-        def penguin_value_box(title: str, count: int, bgcol: str, showcase_img: str):
-            return x.ui.value_box(
-                title,
-                count,
-                {"class_": "pt-1 pb-0"},
-                showcase=x.ui.bind_fill_role(
-                    ui.tags.img(
-                        {"style": "object-fit:contain;"},
-                        src=showcase_img,
-                    ),
-                    item=True,
-                ),
-                theme_color=None,
-                style=f"background-color: {bgcol};",
-                height="90px",
-                full_screen=True,
-            )
-
-        if not input.by_species():
-            return penguin_value_box(
-                "Penguins",
-                len(df.index),
-                bg_palette["default"],
-                # Artwork by @allison_horst
-                showcase_img="penguins.png",
-            )
-
-        value_boxes = [
-            penguin_value_box(
-                name,
-                len(df[df["Species"] == name]),
-                bg_palette[name],
-                # Artwork by @allison_horst
-                showcase_img=f"{name}.png",
-            )
-            for name in species
-            # Only include boxes for _selected_ species
-            if name in input.species()
-        ]
-
-        return x.ui.layout_column_wrap(1 / len(value_boxes), *value_boxes)
-
-
-# "darkorange", "purple", "cyan4"
-colors = [[255, 140, 0], [160, 32, 240], [0, 139, 139]]
-colors = [(r / 255.0, g / 255.0, b / 255.0) for r, g, b in colors]
-
-palette: Dict[str, Tuple[float, float, float]] = {
-    "Adelie": colors[0],
-    "Chinstrap": colors[1],
-    "Gentoo": colors[2],
-    "default": sns.color_palette()[0],  # type: ignore
-}
-
-bg_palette = {}
-# Use `sns.set_style("whitegrid")` to help find approx alpha value
-for name, col in palette.items():
-    # Adjusted n_colors until `axe` accessibility did not complain about color contrast
-    bg_palette[name] = mpl_colors.to_hex(sns.light_palette(col, n_colors=7)[1])  # type: ignore
-
-
-app = App(
-    app_ui,
-    server,
-    static_assets=str(www_dir),
-)
+import flask # for the UI and API
+import time # for rate limiting
+import json # for listing, CORRECTLY
+
+app = flask.Flask(__name__)
+# woah, VS, it's python, not whatever that down arrow is
+
+vars = {} # a dictionary of variables
+ips = {} # a dictionary of IPs and the last time they made a request
+
+# get a variable
+@app.route('/get/<var>')
+def get(var):
+    try:
+        global ips
+        ips[flask.request.remote_addr] = time.time()
+        global vars
+        return vars[var]
+    except Exception as e:
+        return str(e), 404 # we all know this means "not found"
+# set a variable
+@app.route('/set/<var>/<val>')
+def set(var, val):
+    try:
+        global ips
+        ips[flask.request.remote_addr] = time.time()
+        global vars
+        vars[var] = val
+        return vars[var] # return the value of the variable, just in case it fails
+    except Exception as e:
+        return str(e), 404
+# delete a variable, making it return 404
+@app.route('/del/<var>')
+def delete(var):
+    try:
+        global vars
+        del vars[var]
+        global ips
+        ip = flask.request.remote_addr
+        if ip not in ips:
+            ips[ip] = 0
+        if time.time() - ips[ip] < 0.1:
+            time.sleep(1) # rate limiting (10 requests per second, but lower if you're exceeding it)
+            # should you use a scratch project and port it, you should be fine so long as you abide by their rate limits
+            # otherwise, this is significantly more strict, it's kind of just a "don't wipe the database" thing
+            return vars[var], 429 # too many requests, but also success
+        return vars[var]
+    except Exception as e:
+        return str(e), 404
+# list all variables
+@app.route('/')
+def list():
+    # this uses ACTUAL JSON
+    # NOT the fake json used by joecooldo
+    # (he makes a cool library)
+    # "error: json does not allow single quotes (')"
+    global vars
+    return json.dumps(vars)
+# list ips
+@app.route('/ips')
+def listips():
+    global ips
+    return json.dumps(ips)
+# run the app
+app.run(port=7860)