service.preclass.main module

class service.preclass.main.PRECLASS_MAIN[source]

Bases: object

Main service class for handling the pre-class lecture processing pipeline.

This class manages a multi-stage workflow for processing lecture materials, including converting presentations to different formats and generating various educational materials.

class STAGE[source]

Bases: object

Enumeration of processing stages for the pre-class pipeline.

FINISHED = 100

GEN_ASKQUESTION = 8

GEN_DESCRIPTION = 4

GEN_READSCRIPT = 7

GEN_SHOWFILE = 6

GEN_STRUCTURE = 5

PDF2PNG = 2

PPT2TEXT = 3

PPTX2PDF = 1

PUSH_AGENDA = 99

START = 0

static get_status(job_id)[source]

static launch_worker()[source]

Launches the worker process for handling pre-class processing jobs.

Establishes a connection to RabbitMQ and begins consuming messages from the queue. Each message triggers the appropriate stage of processing based on the job’s current stage. The worker can be terminated using CTRL+C.

Raises:: KeyboardInterrupt – When the worker is manually stopped

static trigger(parent_service, source_file)[source]

Initiates a new pre-class processing job.

Parameters:

parent_service (str) – Identifier of the parent service initiating this job
source_file (str) – Path to the source presentation file to be processed

Returns:

The ID of the created job

Return type:

str

Notes

Creates a new job in MongoDB and pushes it to RabbitMQ queue for processing. Moves the source file to a buffer location for processing.

service.preclass.main.now(tz=None)

Returns new datetime object representing current time local to tz.

tz
Timezone object.

If no tz is specified, uses local timezone.