Merge branch '111-switch-from-pkg_resources-to-importlib-resources' into 'master'

Resolve "Switch from pkg_resources to importlib.resources"

Closes #111

See merge request cwinpy/cwinpy!157

MANIFEST.in

@@ -4,8 +4,8 @@ include cwinpy/heterodyne/*.c
 include cwinpy/heterodyne/*.h
 recursive-include test/ *.py
 recursive-include test/data *
-cwinpy/data/S5/hw_inj/*.par
-cwinpy/data/S6/hw_inj/*.par
-cwinpy/data/O1/hw_inj/*.par
-cwinpy/data/O2/hw_inj/*.par
-cwinpy/data/O3/hw_inj/*.par
+cwinpy/pkg_data/S5/hw_inj/*.par
+cwinpy/pkg_data/S6/hw_inj/*.par
+cwinpy/pkg_data/O1/hw_inj/*.par
+cwinpy/pkg_data/O2/hw_inj/*.par
+cwinpy/pkg_data/O3/hw_inj/*.par

cwinpy/info.py

 import filecmp
 import glob
 import os
+from importlib import resources
 
-import pkg_resources
 from astropy.time import Time
 
 from .parfile import PulsarParameters
@@ -163,7 +163,9 @@ HW_INJ_RUNTIMES["O3"] = {
 
 
 HW_INJ_RUNS = ["S5", "S6", "O1", "O2", "O3a"]
-HW_INJ_BASE_PATH = pkg_resources.resource_filename("cwinpy", "data/")
+with resources.path("cwinpy.pkg_data", "__init__.py") as rpath:
+    HW_INJ_BASE_PATH = str(rpath.parent)
+
 #: locations of hardware injection parameter files
 HW_INJ = {
     run: {