def scan_mail(getmtime=getmtime):
Directory.createTable(ifNotExists=True)
Directory.createIndexes(ifNotExists=True)
File.createTable(ifNotExists=True)
File.createIndexes(ifNotExists=True)
root_maildirs = []
known_root_maildirs = Directory.selectBy(parent_dir=None)
for mdir in sorted(sources):
mdir = mdir.rstrip('/')
mdir_record = known_root_maildirs.filter(Directory.q.name == mdir)
if mdir_record.count():
root_maildirs.append(mdir_record.getOne())
continue
_last_modified = getmtime(mdir)-1
if root_maildirs:
try:
_find_mdir_source(mdir, fail=True)
except isChildNode:
continue
root_maildirs.append(Directory(name=mdir,
last_modified=_last_modified,
parent_dir=None))
for mdir in (m for m in known_root_maildirs if m not in root_maildirs):
mdir.destroySelf()
print('done getting maildirs')
#trans.commit()
return root_maildirs
