Add dt_humanize helper

freqtrade/exchange/exchange.py

@@ -43,7 +43,7 @@ from freqtrade.misc import (chunks, deep_merge_dicts, file_dump_json, file_load_
                             safe_value_fallback2)
 from freqtrade.plugins.pairlist.pairlist_helpers import expand_pairlist
 from freqtrade.util import dt_from_ts, dt_now
-from freqtrade.util.datetime_helpers import dt_ts
+from freqtrade.util.datetime_helpers import dt_humanize, dt_ts
 
 
 logger = logging.getLogger(__name__)
@@ -1932,7 +1932,7 @@ class Exchange:
         logger.debug(
             "one_call: %s msecs (%s)",
             one_call,
-            arrow.utcnow().shift(seconds=one_call // 1000).humanize(only_distance=True)
+            dt_humanize(dt_now() - timedelta(milliseconds=one_call), only_distance=True)
         )
         input_coroutines = [self._async_get_candle_history(
             pair, timeframe, candle_type, since) for since in

freqtrade/util/__init__.py

@@ -1,5 +1,5 @@
-from freqtrade.util.datetime_helpers import (dt_floor_day, dt_from_ts, dt_now, dt_ts, dt_utc,
+from freqtrade.util.datetime_helpers import (dt_floor_day, dt_from_ts, dt_humanize, dt_now, dt_ts,
-                                             shorten_date)
+                                             dt_utc, shorten_date)
 from freqtrade.util.ft_precise import FtPrecise
 from freqtrade.util.periodic_cache import PeriodicCache
 
@@ -10,6 +10,7 @@ __all__ = [
     'dt_now',
     'dt_ts',
     'dt_utc',
+    'dt_humanize',
     'shorten_date',
     'FtPrecise',
     'PeriodicCache',

freqtrade/util/datetime_helpers.py

@@ -2,6 +2,8 @@ import re
 from datetime import datetime, timezone
 from typing import Optional
 
+import arrow
+
 
 def dt_now() -> datetime:
     """Return the current datetime in UTC."""
@@ -50,3 +52,12 @@ def shorten_date(_date: str) -> str:
     new_date = re.sub('days?', 'd', new_date)
     new_date = re.sub('^an?', '1', new_date)
     return new_date
+
+
+def dt_humanize(dt: datetime, **kwargs) -> str:
+    """
+    Return a humanized string for the given datetime.
+    :param dt: datetime to humanize
+    :param kwargs: kwargs to pass to arrow's humanize()
+    """
+    return arrow.get(dt).humanize(**kwargs)

tests/utils/test_datetime_helpers.py

@@ -4,6 +4,7 @@ import pytest
 import time_machine
 
 from freqtrade.util import dt_floor_day, dt_from_ts, dt_now, dt_ts, dt_utc, shorten_date
+from freqtrade.util.datetime_helpers import dt_humanize
 
 
 def test_dt_now():
@@ -51,3 +52,9 @@ def test_shorten_date() -> None:
     str_data = '1 day, 2 hours, 3 minutes, 4 seconds ago'
     str_shorten_data = '1 d, 2 h, 3 min, 4 sec ago'
     assert shorten_date(str_data) == str_shorten_data
+
+
+def test_dt_humanize() -> None:
+    assert dt_humanize(dt_now()) == 'just now'
+    assert dt_humanize(dt_now(), only_distance=True) == 'instantly'
+    assert dt_humanize(dt_now() - timedelta(hours=16), only_distance=True) == '16 hours'