switch from pkg_resources to importlib_metadata

Pipfile

@@ -22,6 +22,7 @@ cryptography = "*"
 dataclasses-json = "*"
 cffi = ">=1.15.1"
 typing-extensions = "*"
+importlib-metadata = {version = "*", markers = "python_version < '3.8'"}
 setuptools = "*"
 
 [scripts]

setup.cfg

@@ -35,6 +35,7 @@ install_requires =
     dataclasses-json
     cffi
     typing-extensions
+    importlib-metadata; python_version < "3.8"
 
 [options.packages.find]
 where = .

tconnectsync/__init__.py

@@ -3,13 +3,15 @@ import datetime
 import arrow
 import argparse
 import logging
-import pkg_resources
 import typing
 
 # Required for cryptography lib in python 3.7
 if sys.version_info < (3, 8):
     import typing_extensions
     typing.Protocol = typing_extensions.Protocol
+    from importlib_metadata import PackageNotFoundError, version
+else:
+    from importlib.metadata import PackageNotFoundError, version
 
 from .api import TConnectApi
 from .sync.tandemsource.autoupdate import TandemSourceAutoupdate
@@ -37,8 +39,8 @@ except Exception as e:
 
 
 try:
-    __version__ = pkg_resources.require("tconnectsync")[0].version
-except Exception:
+    __version__ = version("tconnectsync")
+except PackageNotFoundError:
     __version__ = "UNKNOWN"
 
 def parse_args(*args, **kwargs):
@@ -126,4 +128,3 @@ def main(*args, **kwargs):
 
         # return exit code 0 if processed events
         sys.exit(0 if added>0 else 1)
-

tconnectsync/check.py

@@ -3,11 +3,15 @@ import time
 import arrow
 import logging
 import traceback
-import pkg_resources
 import collections
 from datetime import datetime
 from pprint import pformat as pformat_base
 
+if sys.version_info < (3, 8):
+    from importlib_metadata import PackageNotFoundError, version
+else:
+    from importlib.metadata import PackageNotFoundError, version
+
 from .nightscout import NightscoutApi
 from .parser.nightscout import BASAL_EVENTTYPE, BOLUS_EVENTTYPE
 from .parser.tconnect import TConnectEntry
@@ -15,8 +19,8 @@ from .domain.tandemsource.event_class import EventClass
 from .sync.tandemsource.choose_device import ChooseDevice
 
 try:
-    __version__ = pkg_resources.require("tconnectsync")[0].version
-except Exception:
+    __version__ = version("tconnectsync")
+except PackageNotFoundError:
     __version__ = "UNKNOWN"
 
 """
@@ -205,4 +209,4 @@ def run_sanitize(s, sanitizedData):
 
 def pformat(*args, **kwargs):
     kwargs['width'] = 160
-    return pformat_base(*args, **kwargs)
+    return pformat_base(*args, **kwargs)