def print_status() -> str:
with ChiTuPrinter() as printer:
# the printer sends periodic "ok" responses over serial. this means that
# sometimes we get an unexpected response from the printer (an "ok" instead of
# the print status we expected). due to this, we retry at most 3 times here
# until we have a successful response. see issue #180
selected_file = retry(
printer.get_selected_file,
UnexpectedPrinterResponse,
num_retries=3,
)
print_status = retry(
printer.get_print_status,
UnexpectedPrinterResponse,
num_retries=3,
)
if print_status.state == PrinterState.IDLE:
progress = 0.0
print_details = {}
else:
sliced_model_file = read_cached_sliced_model_file(
config.get_files_directory() / selected_file)
if print_status.current_byte == 0:
current_layer = 1
else:
current_layer = (
sliced_model_file.end_byte_offset_by_layer.index(
print_status.current_byte) + 1)
progress = (100.0 * none_throws(current_layer - 1) /
none_throws(sliced_model_file.layer_count))
print_details = {
"current_layer":
current_layer,
"layer_count":
sliced_model_file.layer_count,
"print_time_secs":
sliced_model_file.print_time_secs,
"time_left_secs":
round(sliced_model_file.print_time_secs * (100.0 - progress) /
100.0),
}
return jsonify({
"state": print_status.state.value,
"selected_file": selected_file,
"progress": progress,
**print_details,
})
def get_power_supply(self, name: str) -> PowerSupply:
config = none_throws(self.config)
try:
return next(d for d in config.get_devices()
if isinstance(d, PowerSupply) and d.name == name)
except StopIteration:
raise Exception(f"Power Supply not found: {name}")
def print_status() -> str:
with ElegooMars() as elegoo_mars:
selected_file = elegoo_mars.get_selected_file()
print_status = elegoo_mars.get_print_status()
if print_status.state == PrinterState.IDLE:
progress = 0.0
print_details = {}
else:
sliced_model_file = read_cached_sliced_model_file(
config.get_files_directory() / selected_file
)
if print_status.current_byte == 0:
current_layer = 1
else:
current_layer = (
sliced_model_file.end_byte_offset_by_layer.index(
print_status.current_byte
)
+ 1
)
progress = (
100.0
* none_throws(current_layer - 1)
/ none_throws(sliced_model_file.layer_count)
)
print_details = {
"current_layer": current_layer,
"layer_count": sliced_model_file.layer_count,
"print_time_secs": sliced_model_file.print_time_secs,
"time_left_secs": round(
sliced_model_file.print_time_secs * (100.0 - progress) / 100.0
),
}
return jsonify(
{
"state": print_status.state.value,
"selected_file": selected_file,
"progress": progress,
**print_details,
}
)
def serve(path: str) -> Response:
LOG.info(f"Serving `{path}`...")
static_folder = none_throws(application.static_folder)
if path != "" and os.path.exists(static_folder + "/" + path):
LOG.info("Found static resource.")
return send_from_directory(static_folder, path)
else:
LOG.info("Resource not found. Falling back to `index.html`")
return send_from_directory(static_folder, "index.html")
def serial_controller(self) -> "SerialController":
return none_throws(
self._serial_controller,
"Attempted to access SerialDevice without opening it first",
)
def _render_device_info(
self, device: DeviceInfoResponse) -> List[Tuple[str, str]]:
if device.device_type == DeviceType.POWER_SUPPLY:
return self._get_power_supply_info(
none_throws(device.power_supply_info))
raise Exception(f"Unknown device type {type(device)}")