init

main.py

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+import flet as ft
+import xmlhandler
+
+
+def main(page: ft.Page):
+    ## Funkktionen
+    def open_url(url):
+        page.launch_url(url)
+
+    def create_overview(category):
+        magazine.clear()
+        for item in bookshelf_dict["PUBS"][category]["ITEM"]:
+            if type(item["TITLE"]) == list:  # überspringe beginnerguide 4th edition
+                continue
+            magazine.append(
+                ft.Container(
+                    content=ft.Row(
+                        controls=[
+                            ft.Column(
+                                controls=[
+                                    ft.Image(src=item["COVER"], width=100),
+                                    ft.FloatingActionButton(
+                                        "PDF",
+                                        width=100,
+                                        on_click=lambda _: open_url(page, item["PDF"]),
+                                    ),
+                                ],
+                            ),
+                            ft.Column(
+                                controls=[
+                                    ft.Text(item["TITLE"], max_lines=2),
+                                    ft.Text(item["DESC"], size=12, max_lines=-1),
+                                ],
+                                expand=True,
+                            ),
+                        ],
+                    ),
+                    bgcolor=ft.colors.INDIGO_600,
+                    border_radius=8,
+                    padding=6,
+                )
+            )
+
+    def navigationbar_change(e):
+        category = categorys[e.control.selected_index]
+        create_overview(category)
+        page.update()
+
+    ## Variablen
+    magazine = []
+    category = "MAGPI"
+    categorys = ["MAGPI", "HACKSPACE", "BOOKS"]
+
+    def reload(e=None):
+        global bookshelf_dict
+        bookshelf_dict = xmlhandler.reload()
+        create_overview(category)
+
+        print("reloaded")
+
+    reload()
+
+    page.scroll = True
+    page.theme_mode = ft.ThemeMode.DARK
+    page.navigation_bar = ft.NavigationBar(
+        destinations=[
+            ft.NavigationBarDestination(icon=ft.icons.BOOK, label="MagPi"),
+            ft.NavigationBarDestination(icon=ft.icons.BOOK, label="Hackspace"),
+            ft.NavigationBarDestination(icon=ft.icons.BOOK, label="Books"),
+        ],
+        on_change=navigationbar_change,
+    )
+    page.appbar = ft.AppBar(
+        # leading_width=40,
+        title=ft.Text("RBookshelf"),
+        center_title=True,
+        bgcolor=ft.colors.SURFACE_VARIANT,
+        actions=[
+            ft.IconButton(ft.icons.DOWNLOAD, on_click=reload),
+        ],
+    )
+    page.add(ft.Column(controls=magazine, spacing=10))
+    page.add(page.navigation_bar)
+
+
+ft.app(main)

requirements.txt

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+flet==0.22.*

xmlhandler.py

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+import requests
+import xmltodict
+import json
+
+def reload():
+    bookshelf_xml = requests.get("https://magpi.raspberrypi.com/bookshelf.xml")
+    return xmltodict.parse(bookshelf_xml.content)
+