lightlab.util.io.progress module

Some utility functions for printing to stdout used in the project

Also contains web-based progress monitoring

Summary

Classes:

ProgressWriter

Writes progress to an html file for long sweeps.

Functions:

printProgress	Deletes current line and writes.
printWait	Prints your message followed by ...
ptag

Reference

printWait(*args)

Prints your message followed by ...

This displays immediately, but

• your next print will show up on the same line

Parameters:*args (Tuple(str)) – Strings that will be written

printProgress(*args)

Deletes current line and writes.

This is used for updating iterating values so to not produce a ton of output

Parameters:*args (str, Tuple(str)) – Arguments that will be written

class ProgressWriter(name, swpSize, runServer=True, stdoutPrint=False, **kwargs)

Bases: object

Writes progress to an html file for long sweeps. Including timestamps. Has an init and an update method

You can then open this file to the internet by running a HTTP server.

To setup a continuously running server:

screen -S sweepProgressServer
(Enter)
cd /home/atait/Documents/calibration-instrumentation/sweepMonitorServer/
python3 -m http.server 8050
(Ctrl-a, d)

To then access from a web browser::

http://lightwave-lab-olympias.princeton.edu:8050

Todo

Have this class launch its own process server upon init Make it so you can specify actuator names

Parameters:

• name (str) – name to be displayed
• swpSize (tuple) – size of each dimension of the sweep

progFileDefault = PosixPath('/home/docs/checkouts/readthedocs.org/user_builds/lightlab/checkouts/development/progress-monitor/sweep.html')

tFmt = '%a, %d %b %Y %H:%M:%S'

static getUrl()

URL where the progress monitor will be hosted

update(steps=1)

classmethod tims(epochTime)

ptag(s)