Style and linting

import logging

from .error_sources import ErrorSource, WarningSource

from .error_sources import ErrorSource

picamera_import_error = ErrorSource(

    "Picamera module could not be imported. Check physical connections to the camera as it may be damaged."

    ("Picamera module could not be imported.",

    "Check physical connections to the camera as it may be damaged or disconnected.")

)

def main():

    error_sources = []

    logging.info("Attempting to import picamera...")

    try:

        from picamerax import PiCamera

        from picamerax import PiCamera as _

    except Exception as e:  # pylint: disable=W0703

        # TODO: Parse exception object for a few different issues, and append different error sources

        # E.g. pi with camera already in use, disconnected, unsupported OS, etc

    try:

        from sangaboard import Sangaboard

    except Exception as e:  # pylint: disable=W0703

        error_sources.append(ErrorSource(

            "Sangaboard module could not be imported."

        ))

    except ImportError as e:

        error_sources.append(ErrorSource(str(e)))

    else:

        configuration = user_configuration.load()

        stage_type = configuration["stage"].get("type")

        stage_port = configuration["stage"].get("port")

        error_sources.append(WarningSource(

        error_sources.append(

            WarningSource(

                "Stage serial port is not specified in configuration. Application will scan ports for a Sangaboard."

        ))

            )

        )

        # If any Sangaboard-based stage is configured for use

        if stage_type in ("SangaBoard", "SangaStage", "SangaDeltaStage"):

            # Try connecting on the specified port

            try:

                _ = Sangaboard(stage_port)

            except FileNotFoundError as e:  # pylint: disable=W0703

            except FileNotFoundError as e:

                if stage_port:

                    error_sources.append(ErrorSource(

                    error_sources.append(

                        ErrorSource(

                            f"No {stage_type} device was found on the configured port {stage_port}."

                    ))

                        )

                    )

                else:

                    error_sources.append(ErrorSource(

                    error_sources.append(

                        ErrorSource(

                            f"No {stage_type} device was found during port scanning."

                    ))

                        )

                    )

        else:

            error_sources.append(ErrorSource(

            error_sources.append(

                ErrorSource(

                    f"Invalid stage type {stage_type} specified in configuration file."

            ))

                )

            )

    return error_sources