def get_back_markup(update, context):
_ = set_lang(update, context)
reply_markup = ReplyKeyboardMarkup([[_(BACK)]],
one_time_keyboard=True,
resize_keyboard=True)
return reply_markup
def ask_doc_task(update, context):
_ = set_lang(update, context)
keywords = sorted([
_(DECRYPT),
_(ENCRYPT),
_(ROTATE),
_(SCALE),
_(SPLIT),
_(PREVIEW),
_(TO_PHOTO),
_(EXTRACT_PHOTO),
_(RENAME),
_(CROP),
_(EXTRACT_TEXT),
OCR,
_(COMPRESS),
])
keywords.append(CANCEL)
keyboard_size = 3
keyboard = [
keywords[i:i + keyboard_size]
for i in range(0, len(keywords), keyboard_size)
]
reply_markup = ReplyKeyboardMarkup(keyboard,
resize_keyboard=True,
one_time_keyboard=True)
update.effective_message.reply_text(
_("Select the task that you'll like to perform"),
reply_markup=reply_markup)
return WAIT_DOC_TASK
def check_back_user_data(update, context):
"""
Check for back action and if user data is valid
Args:
update: the update object
context: the context object
Returns:
A state if it is a back action of the user data is invalid, else None
"""
_ = set_lang(update, context)
result = None
if update.effective_message.text == _(BACK):
result = ask_doc_task(update, context)
elif not check_user_data(update, context, PDF_INFO):
result = ConversationHandler.END
return result