__init__.py

import os
import subprocess
import sys
import traceback

from aqt import mw
from aqt.utils import showInfo
from aqt.qt import *
from anki.importing.apkg import AnkiPackageImporter

DECK_DIR = os.path.expanduser(
        mw.addonManager.getConfig(__name__).get(
            "Markdown Deck Library Path", "~/Flashcard Decks"))

ANKDOWN = os.path.expanduser(
        mw.addonManager.getConfig(__name__).get(
            "Ankdown Location", "~/.local/bin/ankdown"))

CSS = os.path.expanduser(
        mw.addonManager.getConfig(__name__).get("CSS", "None"))


def importDecks():
    if not os.path.isdir(DECK_DIR):
        raise(ValueError("{} is not a directory".format(DECK_DIR)))

    os.chdir(os.path.join(os.path.split(__file__)[0], "user_files"))

    # NOTE this loop is because ankdown can't easily create multiple decks
    # - genanki ends up lumping them all together. Maybe one day when that
    # bug is fixed, we can call ankdown once.

    for (d, subds, fns) in os.walk(DECK_DIR):
        if not any([fn.endswith(".md") for fn in fns]):
            continue

        package_name = os.path.basename(d) + ".apkg"

        subprocess_cmd = [ANKDOWN, "-r", d, "-p", package_name]
        if CSS is not "None":
            subprocess_cmd.extend(["-css", CSS])
        subprocess.run(subprocess_cmd)

        AnkiPackageImporter(mw.col, package_name).run()


def wrapImportDecks():
    try:
        importDecks()
    except:
        showInfo("Failed to import; received error: {}".format(traceback.format_exc()))

action = QAction("Reload Markdown Decks", mw, shortcut=QKeySequence(QKeySequence.Refresh))
action.triggered.connect(wrapImportDecks)
mw.form.menuTools.addAction(action)