except RuntimeError as e:
print("<><><><> SOME ERROR OCCURRED! -", e)
break
except KeyError as e:
print("<><><><> SOME ERROR OCCURRED! -", e)
break
access_attempts = 0
file_not_downloaded = True
while file_not_downloaded and access_attempts < 4:
print("image_url:", screens[index].screenURL)
print("directory:", directory)
print("fileName:", fileName)
try:
access_attempts = access_attempts + 1
pyportal.wget(pyportal.image_converter_url(screens[index].screenURL, 320, 240, color_depth=16), directory+fileName, chunk_size=12000)
screens[index].file_location = directory + screens[index].pageID + ".bmp"
print(">> screen file_location for screen",screens[index].pageID ,"is", screens[index].file_location)
file_not_downloaded = False
except OSError as e:
print("<><><><> SOME ERROR OCCURRED! -", OSError, e)
print("Please restart PyPortal by pressing the Reset button on the back of the device")
except RuntimeError as e:
print("<><><><> SOME ERROR OCCURRED! -", e)
print("Retrying last wget")
# pyportal.wget(pyportal.image_converter_url(image_url,320, 240,color_depth=16), directory+fileName, chunk_size=12000)
except KeyError as e:
print("<><><><> SOME ERROR OCCURRED! -", e)
print("Retrying last wget")
# pyportal.wget(pyportal.image_converter_url(image_url,320, 240,color_depth=16), directory+fileName, chunk_size=12000)
if access_attempts > 3:
class StationPortal():
def __init__(self):
self.pyportal = PyPortal(
url=
f"https://api.composer.nprstations.org/v1/widget/{STATION_PLAYLIST_UCS}/now?format=json",
status_neopixel=board.NEOPIXEL,
default_bg=0x000000 # cwd + "/station_background.bmp",
)
self.show_text = Label(text_font, max_glyphs=40)
self.host_text = Label(text_font, max_glyphs=40)
self.track_text = Label(text_font, max_glyphs=40)
self.artist_text = Label(text_font, max_glyphs=40)
self.show_text.color = 0xFFFFFF
self.host_text.color = 0xFFFFFF
self.track_text.color = 0xFFFFFF
self.artist_text.color = 0xF05423
self.show_text.x = 20
self.host_text.x = 20
self.track_text.x = 20
self.artist_text.x = 20
self.show_text.y = 35
self.host_text.y = 55
self.track_text.y = 90
self.artist_text.y = 110
self.pyportal.splash.append(self.show_text)
self.pyportal.splash.append(self.host_text)
self.pyportal.splash.append(self.track_text)
self.pyportal.splash.append(self.artist_text)
# placeholder for album art tilegroup, index 5
self.pyportal.splash.append(displayio.Group())
self.artworkTileGroupIndex = 5
# append station slug last so that if it fails, it doens't throw off the sprite indices
station_slug = f"{cwd}/{STATION_PLAYLIST_UCS}_slug.bmp"
try:
self.slug_file = open(station_slug, "rb")
slug_bitmap = displayio.OnDiskBitmap(self.slug_file)
self.pyportal.splash.append(
displayio.TileGrid(slug_bitmap,
pixel_shader=displayio.ColorConverter(),
width=1,
height=1,
x=190,
y=170))
except OSError as e:
print(
f"Unable to open station slug bitmap, station_slug: {station_slug}"
)
self.cover_file = None
self.track_id = None
def fetch(self):
values = self.pyportal.fetch()
data = json.loads(values)
print("Fetched new data, type:", type(data))
print("data:", data)
if ("onNow" not in data):
print("Invalid data payload")
return
if ("program" in data["onNow"]):
self._updateShow(data["onNow"]["program"])
if ("song" in data["onNow"]):
curr_track = data["onNow"]["song"]
curr_track_id = curr_track["_id"]
if (self.track_id != curr_track_id):
print(f"Loading new track, id: {curr_track_id}")
self._updateTrack(curr_track)
self.track_id = curr_track_id
else:
self._setTrack("Track currently unavailable")
self._setArtist(None)
self._updateCoverart(None)
def _updateShow(self, curr_program):
if "name" in curr_program:
self._setShow(curr_program["name"])
else:
self._setShow(STATION_DEFAULT_SHOW_NAME)
if "hosts" in curr_program and len(curr_program["hosts"]) > 0:
if len(curr_program["hosts"]) > 1:
self._setHost(curr_program["hosts"][0]["name"] + " et al")
elif curr_program["hosts"][0]["name"]: # test for empty
self._setHost(curr_program["hosts"][0]["name"])
else:
self._setHost(STATION_DEFAULT_HOST_NAME)
else:
self._setHost(STATION_DEFAULT_HOST_NAME)
def _updateTrack(self, curr_track):
if "trackName" in curr_track:
self._setTrack(curr_track["trackName"])
else:
self._setTrack("Unknown Title")
if "artistName" in curr_track:
self._setArtist(curr_track["artistName"])
else:
self._setArtist("Unknown Artist")
if "imageURL" in curr_track:
self._updateCoverart(curr_track["imageURL"])
elif "artworkUrl100" in curr_track:
self._updateCoverart(curr_track["artworkUrl100"])
else:
self._updateCoverart(None)
def _setShow(self, val):
if (val == None):
self.show_text.text = ""
if (len(val) > 30):
self.show_text.text = (val)[0:30] + "..."
else:
self.show_text.text = val
def _setHost(self, val):
if (val == None):
self.host_text.text = ""
elif (len(val) > 30):
self.host_text.text = "with " + (val)[0:30] + "..."
else:
self.host_text.text = "with " + val
def _setTrack(self, val):
if (val == None):
self.track_text.text = ""
elif (len(val) > 30):
self.track_text.text = (val)[0:30] + "..."
else:
self.track_text.text = val
def _setArtist(self, val):
if (val == None):
self.artist_text.text = ""
elif (len(val) > 30):
self.artist_text.text = ("by " + val)[0:30] + "..."
else:
self.artist_text.text = "by " + val
def _updateCoverart(self, source_url):
cover_filename = "/sd/cover-image.bmp"
cover_bitmap = None
if (source_url):
try:
image_url = self.pyportal.image_converter_url(
source_url, 100, 100)
print(f"Converting image, image_url: {image_url}")
self.pyportal.wget(image_url, cover_filename, chunk_size=512)
if (self.cover_file):
self.cover_file.close()
self.cover_file = open(cover_filename, "rb")
cover_bitmap = displayio.OnDiskBitmap(self.cover_file)
except (OSError, KeyError, Exception) as e:
print(f"Error rendering cover art, source_url: {source_url}")
if (cover_bitmap == None):
cover_bitmap = displayio.Bitmap(100, 100, 1)
cover_bitmap.fill(0x0)
self.pyportal.splash[self.artworkTileGroupIndex] = displayio.TileGrid(
cover_bitmap,
pixel_shader=displayio.ColorConverter(),
width=1,
height=1,
x=23,
y=130)
