Add conversion of datetime objects to timestamp in get_steem_per_mvest

beem/steem.py

@@ -11,8 +11,9 @@ import re
 import os
 import math
 import ast
+import time
 from beemgraphenebase.py23 import bytes_types, integer_types, string_types, text_type
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, date
 from beemapi.steemnoderpc import SteemNodeRPC
 from beemapi.exceptions import NoAccessApi, NoApiWithName
 from beemgraphenebase.account import PrivateKey, PublicKey
@@ -29,7 +30,7 @@ from .exceptions import (
 from .wallet import Wallet
 from .steemconnect import SteemConnect
 from .transactionbuilder import TransactionBuilder
-from .utils import formatTime, resolve_authorperm, derive_permlink, remove_from_dict
+from .utils import formatTime, resolve_authorperm, derive_permlink, remove_from_dict, addTzInfo
 from beem.constants import STEEM_VOTE_REGENERATION_SECONDS, STEEM_100_PERCENT, STEEM_1_PERCENT
 
 log = logging.getLogger(__name__)
@@ -444,11 +445,15 @@ class Steem(object):
     def get_steem_per_mvest(self, time_stamp=None, use_stored_data=True):
         """ Returns the MVEST to STEEM ratio
 
-            :param datetime time_stamp: (optional) if set, return an estimated
+            :param int time_stamp: (optional) if set, return an estimated
                 STEEM per MVEST ratio for the given time stamp. If unset the
-                current ratio is returned (default).
+                current ratio is returned (default). (can also be a datetime object)
         """
         if time_stamp is not None:
+            if isinstance(time_stamp, (datetime, date)):
+                time_stamp = addTzInfo(time_stamp)
+                epoch = addTzInfo(datetime(1970, 1, 1))
+                time_stamp = (time_stamp - epoch) // timedelta(seconds=1)
             a = 2.1325476281078992e-05
             b = -31099.685481490847
             a2 = 2.9019227739473682e-07