185 lines
8.4 KiB
Python
185 lines
8.4 KiB
Python
import panel as pn
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import base64
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from io import BytesIO
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from hipsterfy.hipsterfy import Hipsterfy, HipsterfyPlaylist, HipsterfyPlaylistItem, CardStyle
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pn.extension("filedownload", "notifications", "location")
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def create_panel_page(hipsterfy: Hipsterfy, playlist_uri: str=None) -> pn.Template:
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# create widgets
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playlist_uri = pn.widgets.TextInput(name='Playlist URI', value=playlist_uri or '', placeholder='Enter Spotify Playlist URI')
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primary_item = pn.widgets.Select(name='Primary Item', options=HipsterfyPlaylistItem.get_available_properties(), value="release_year")
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secondary_item = pn.widgets.Select(name='Secondary Item', options=HipsterfyPlaylistItem.get_available_properties(), value="title")
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additional_items = pn.widgets.MultiChoice(name='Additional Items', options=HipsterfyPlaylistItem.get_available_properties(), value=["artists", "album", "popularity"])
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card_style = pn.widgets.Select(name='Card Style', options=[style.value for style in CardStyle], value=CardStyle.FULL_ALBUM_COVER.value)
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cards_per_row_widget = pn.widgets.IntSlider(name="Cards per Row in print", start=1, end=8, value=4, step=1)
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pn.state.location.sync(playlist_uri, {"value": "playlist_uri"})
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pn.state.location.sync(primary_item, {"value": "primary_item"})
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pn.state.location.sync(secondary_item, {"value": "secondary_item"})
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pn.state.location.sync(additional_items, {"value": "additional_items"})
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pn.state.location.sync(card_style, {"value": "card_style"})
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pn.state.location.sync(cards_per_row_widget, {"value": "cards_per_row"})
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create_preview_button = pn.widgets.Button(name='Parse Playlist and Generate Cards', button_type='primary', sizing_mode='stretch_width')
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front_cards_column = pn.Column(sizing_mode='stretch_width')
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back_cards_column = pn.Column(sizing_mode='stretch_width')
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# FileDownload-Buttons (werden erst nach Preview-Generierung angezeigt)
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download_front_html_button = pn.widgets.FileDownload(
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label="Download Front Cards (HTML)", button_type="success", visible=False, filename="hipsterfy_front_cards.html", sizing_mode='stretch_width'
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)
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download_back_html_button = pn.widgets.FileDownload(
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label="Download Back Cards (HTML)", button_type="success", visible=False, filename="hipsterfy_back_cards.html", sizing_mode='stretch_width'
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)
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playlist_instructions = pn.pane.HTML(
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"""
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<div>
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<h3>Playlist Instructions</h3>
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<p>Select any Spotify playlist and click the "Parse Playlist and Generate Cards" button to generate the cards.</p>
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<p><b>Note:</b> The playlist must be public accessible. Also dynamically individualized playlists (unfortunately a lot of spotify official playlists) Will not work.</p>
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</div>
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""",
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sizing_mode='stretch_width'
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)
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print_instructions = pn.pane.HTML(
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"""
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<div>
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<h3>Print Instructions</h3>
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<p>To print the cards:</p>
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<ol>
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<li>Click on the "Download Front Cards" and "Download Back Cards" buttons to download the HTML files.</li>
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<li>Open the downloaded files in your web browser.</li>
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<li>Use your browser's print function (usually Ctrl+P or Cmd+P) to print the cards.</li>
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<li>Make sure to first print all front cards, then all back cards on the back side of the paper.</li>
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<li>Adjust the print settings to ensure the cards fit well on the page.</li
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</ol>
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</div>
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""",
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sizing_mode='stretch_width'
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)
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print_instructions.visible = False # Initially hidden, will be shown after preview generation
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def generate_html(cards, row_reverse=False):
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html = "<html><head><title>Print Cards</title>"
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html += """
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<style>
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body { background: white; }
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.card-row { display: flex; flex-direction: row; margin-bottom: 24px; }
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.card { margin: 12px; }
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@media print {
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.card { page-break-inside: avoid; }
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body, .card, .card-row {
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-webkit-print-color-adjust: exact !important;
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print-color-adjust: exact !important;
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background: white !important;
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}
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}
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</style>
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"""
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html += "</head><body>"
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cards_per_row = cards_per_row_widget.value # <-- Widget-Wert verwenden
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# Karten in Reihen zu je 3 anordnen
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for i in range(0, len(cards), cards_per_row):
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row = cards[i:i+cards_per_row]
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if row_reverse:
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row = row[::-1]
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html += '<div class="card-row">'
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for card in row:
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html += f'<div class="card">{card}</div>'
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html += '</div>'
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html += "</body></html>"
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return html.encode() # FileDownload erwartet Bytes
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def update_download_buttons():
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# Front Cards
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cards = [pane.object for pane in front_cards_column[1:]]
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download_front_html_button.callback = lambda: BytesIO(generate_html(cards, row_reverse=False))
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download_front_html_button.visible = True
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# Back Cards
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cards_back = [pane.object for pane in back_cards_column[1:]]
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download_back_html_button.callback = lambda: BytesIO(generate_html(cards_back, row_reverse=True))
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download_back_html_button.visible = True
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print_instructions.visible = True # Show print instructions after generating preview
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pn.state.notifications.success("Download buttons updated successfully!. Download and print them from the sidebar")
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def create_preview(event):
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try:
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pn.state.notifications.info("Generating preview for playlist...")
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# clear previous cards
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front_cards_column.clear()
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back_cards_column.clear()
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front_cards_column.loading = True
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back_cards_column.loading = True
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front_cards_column.append(pn.pane.HTML("<h2>Front Cards</h2>", sizing_mode='stretch_width'))
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back_cards_column.append(pn.pane.HTML("<h2>Back Cards</h2>", sizing_mode='stretch_width'))
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# get playlist URI
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uri = playlist_uri.value.strip()
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if not uri:
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pn.state.notifications.error("Please enter a valid Spotify Playlist URI.")
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return
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# create HipsterfyPlaylist instance
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hipsterfy_playlist = HipsterfyPlaylist(uri, hipsterfy)
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new_back_cards = []
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new_front_cards = []
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# generate front and back cards for each item in the playlist
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for item in hipsterfy_playlist.get_tracks_data():
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front_card = item.generate_hipsterfy_front_card(include_preview=False, card_style=CardStyle(card_style.value))
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back_card = item.generate_hipsterfy_back_card(
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primary_property=primary_item.value,
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secondary_property=secondary_item.value,
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additional_properties=additional_items.value,
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card_style=CardStyle(card_style.value)
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)
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new_front_cards.append(pn.pane.HTML(front_card, sizing_mode='stretch_width'))
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new_back_cards.append(pn.pane.HTML(back_card, sizing_mode='stretch_width'))
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for card in new_front_cards:
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front_cards_column.append(card)
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for card in new_back_cards:
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back_cards_column.append(card)
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pn.state.notifications.success("Preview generated successfully!")
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pn.state.notifications.info("Prepare to download the cards as HTML files...")
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update_download_buttons()
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except Exception as e:
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pn.state.notifications.error(f"Error generating preview: {str(e)}")
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finally:
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front_cards_column.loading = False
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back_cards_column.loading = False
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create_preview_button.on_click(create_preview)
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template = pn.template.FastListTemplate(
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title='Hipsterfy',
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sidebar=[
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playlist_instructions, playlist_uri, primary_item, secondary_item, additional_items, card_style,
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cards_per_row_widget,
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create_preview_button, download_front_html_button, download_back_html_button, print_instructions
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],
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main=[pn.Row(front_cards_column, back_cards_column, sizing_mode='stretch_width')],
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accent_base_color='indigo',
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header_background='indigo',
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header_color='white'
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)
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return template
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