def start_printing(self, filename: str) -> None:
# the printer's firmware is weird when the file is in a subdirectory. we need to
# send M23 to select the file with its full path and then M6030 with just the
# basename.
self.select_file(filename)
response = self._send_and_read(
(f"M6030 '{os.path.basename(filename)}'").encode(),
# the mainboard takes longer to reply to this command, so we override the
# timeout to 2 seconds
timeout_secs=2.0,
)
if "ok" not in response:
raise UnexpectedPrinterResponse(response)
def test_error_handling_while_stopping_print(self) -> None:
self.printer_mock.stop_printing.side_effect = UnexpectedPrinterResponse(
"foobar\r\n")
response = self.client.post("/api/printer/command/cancel_print")
expect(response.status_code).to_equal(500)
expect(response.get_json()).to_equal({
"title":
"Unexpected Printer Response",
"description":
"The printer returned an unexpected response: " + "'foobar\\r\\n'",
"traceback":
ANY,
})
self.printer_mock.stop_printing.assert_called_once_with()
def _extract_response_with_regex(self, regex: str, data: str) -> Match[str]:
match = re.search(regex, data)
if match is None:
raise UnexpectedPrinterResponse(data)
return match
def stop_motors(self) -> None:
response = self._send_and_read(b"M112")
if "ok" not in response:
raise UnexpectedPrinterResponse(response)
def stop_printing(self) -> None:
response = self._send_and_read(b"M33")
if "Error" in response:
raise UnexpectedPrinterResponse(response)
def resume_printing(self) -> None:
response = self._send_and_read(b"M24")
if "ok" not in response:
raise UnexpectedPrinterResponse(response)
def move_to_home(self) -> None:
response = self._send_and_read(b"G28")
if "ok" not in response:
raise UnexpectedPrinterResponse(response)
def move_by(self, z_dist_mm: float, mm_per_min: int = 600) -> None:
response = self._send_and_read(
(f"G0 Z{z_dist_mm:.1f} F{mm_per_min} I0").encode()
)
if "ok" not in response:
raise UnexpectedPrinterResponse(response)
def select_file(self, filename: str) -> None:
response = self._send_and_read((f"M23 /{filename}").encode())
if "File opened" not in response:
raise UnexpectedPrinterResponse(response)