Adding ability to export PNG data directly to other programs.

[slightlynybbled]

I would like to build on your tool with a GUI. This pull request puts the beginnings of the API into the project.

Example Usage

from wireviz.wireviz import parse

# taking the string from a text entry frame (tkinter style)
f_in = StringIO(self._text_entry_frame.get())

# put the png data directly into the `data` variable for use later
data = parse(f_in, return_types='png')

# can use the image data for whatever I want now... in this case, I'll just save it
# but I could put it on a canvas and preview if I like
with open('data.png', 'wb') as f:
    f.write(data)

Future Work

At this time, I only added support for png, but I left room in there to potentially add more types and even multiple types. Also put the beginnings of a docstring in there to explain my changes, but didn't fill it out fully just in case you wanted to put your own words in there.

[formatc1702]

Thanks, I like the idea a lot. I merged it and took the liberty to rewrite the addition to the parse() function (144c99e), let me know what you think.

Returning the BOM as a 2D list (just like the TSV output), or as a dict, could also be a nice addition, but that's a story for another PR.

[slightlynybbled]

Thanks for accepting the merge.

The GUI code that uses your repo: wireviz-gui

Installation is a bit complicated at the moment, but that will be simplified as the code bases become more stable. Look forward to seeing what the future brings!

[formatc1702]

@slightlynybbled, here's a little recommendation for future commit messages, both here and in your own repos, regarding the use of imperative mood. I noticed the messages in your wireviz-gui repo might benefit from this :)

[slightlynybbled]

Thank you for making me aware. I had no idea this was a thing!

…

On Mon, Jul 6, 2020 at 4:42 PM Daniel Rojas ***@***.***> wrote: @slightlynybbled <https://github.com/slightlynybbled>, here <https://chris.beams.io/posts/git-commit/#imperative>'s a little recommendation for future commit messages, both here and in your own repos, regarding the use of imperative mood. I noticed the messages in your wireviz-gui repo might benefit from this :) — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#55 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AARYN3WOOJD4GIATEMTLG6LR2IZMBANCNFSM4OPDLLYA> .

[slightlynybbled]

Just wanted to let you know that I created a bundled executable based on your current dev branch.

https://github.com/slightlynybbled/wireviz-gui

https://github.com/slightlynybbled/wireviz-gui/releases

Your repository is credited and linked in the About menu.

Not feature-rich yet, but a better workflow for those unhappy with the command line...

Thank you for this package! As it becomes more mature, I will continue to add features!