allow for numpy int types

README.md

@@ -6,7 +6,7 @@ A Python module for converting between the settlement periods used by GB electri
 * Convert date and settlement period to Unix timestamp and vice versa.
 * Convert date and settlement period to Python datetime object and vice versa.
 * Convert Python datetime objects to Unix timestamp and vice versa.
-* Version 0.2.0
+* Version 0.2.1
 * Developed and tested with Python 3.9, should work for 3.6+.
 
 ## How do I get set up? ##

setup.py

@@ -24,7 +24,7 @@
     # Versions should comply with PEP440.  For a discussion on single-sourcing
     # the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version="0.2.0",
+    version="0.2.1",
 
     description="Convert between the settlement periods used by GB electricity industry and Unix timestamps.",
     long_description=long_description,
@@ -81,7 +81,7 @@
     # requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
     install_requires=[
-        "pytz",
+        "pytz", "numpy",
     ],
 
     # List additional groups of dependencies here (e.g. development

sp2ts/sp2ts.py

@@ -12,6 +12,7 @@
 from datetime import datetime, date, time, timedelta
 import argparse
 import pytz
+import numpy as np
 
 TRANSITION_DATES_TS = [
     (954028800, 972777600), (985478400, 1004227200), (1017532800, 1035676800),
@@ -238,7 +239,7 @@ def _validate_timezone(name, timezone_):
         # raise ValueError(f"Unknown timezone '{timezone_}'")
 
 def _validate_timestamp(name, timestamp_):
-    if not isinstance(timestamp_, int):
+    if not isinstance(timestamp_, (int, np.int32, np.int64)):
         raise TypeError(f"`{name}` must be of type int")
     if timestamp_ < 0:
         raise ValueError("Inavalid value for `{name}`, Unix timestamps cannot be negative")