def recite(button):
# TODO: randomly select unique Snippet
# TODO: show reference
# TODO: if practice, show contents
global g_verse
g_verse = Snippet.random()
verse.set_text(g_verse.contents)
reference.set_text(g_verse.reference)
user_input.set_edit_text(u"")
import urwid
from difflib import SequenceMatcher
from snippet import Snippet
g_verse = None # placeholder for currently selected verse
g_verse = Snippet.random()
def do_diff(text, n_text):
seqm = SequenceMatcher(None, text, n_text)
output_orig = []
output_new = []
for opcode, a0, a1, b0, b1 in seqm.get_opcodes():
orig_seq = seqm.a[a0:a1]
new_seq = seqm.b[b0:b1]
if opcode == 'equal':
output_orig.append(orig_seq)
output_new.append(orig_seq)
elif opcode == 'insert':
output_new.append(('extra_text', new_seq))
elif opcode == 'delete':
output_orig.append(('missing_text', orig_seq))
elif opcode == 'replace':
output_new.append(('wrong_text', new_seq))
output_orig.append(('wrong_text', orig_seq))
else:
raise ('Error')
return output_orig, output_new, seqm.quick_ratio()
