Replace pkg_resources with importlib backports

reprounzip/reprounzip/main.py

@@ -7,14 +7,14 @@
 This contains :func:`~reprounzip.reprounzip.main`, which is the entry point
 declared to setuptools. It is also callable directly.
 
-It dispatchs to plugins registered through pkg_resources as entry point
+It dispatchs to plugins registered through importlib.metadata as entry point
 ``reprounzip.unpackers``.
 """
 
 import argparse
+from importlib_metadata import entry_points
 import locale
 import logging
-from pkg_resources import iter_entry_points
 import sys
 import traceback
 
@@ -35,7 +35,7 @@
 
 
 def get_plugins(entry_point_name):
-    for entry_point in iter_entry_points(entry_point_name):
+    for entry_point in entry_points().select(group=entry_point_name):
         try:
             func = entry_point.load()
         except Exception:

reprounzip/reprounzip/unpackers/common/misc.py

@@ -8,11 +8,11 @@
 import copy
 import functools
 import logging
+import importlib_resources
 import itertools
 import os
 from pathlib import Path, PurePosixPath
 import pickle
-import pkg_resources
 import random
 import re
 import shutil
@@ -131,10 +131,9 @@ def busybox_url(arch):
 def rpzsudo_binary(arch):
     """Gets the rpzsudo file given the architecture.
     """
-    return pkg_resources.resource_stream(
-        __name__.split('.', 1)[0],
-        'rpzsudo-%s' % arch,
-    )
+    files = importlib_resources.files(__name__.split('.', 1)[0])
+    ref = files.joinpath('rpzsudo-%s' % arch)
+    return ref.open('rb')
 
 
 def rpztar_url(arch):

reprounzip/setup.py

@@ -9,6 +9,8 @@
 with io.open('README.rst', encoding='utf-8') as fp:
     description = fp.read()
 req = [
+    'importlib-metadata',
+    'importlib-resources',
     'packaging',
     'PyYAML',
     'usagestats>=1.0.1',

reprozip-core/reprozip_core/common.py

@@ -50,13 +50,13 @@
 from datetime import datetime
 import functools
 import gzip
+import importlib_resources
 import json
 import logging
 import logging.handlers
 import os
 import packaging.version
 from pathlib import Path, PurePosixPath
-import pkg_resources
 import shutil
 import sys
 import tarfile
@@ -1001,7 +1001,5 @@ def submit_usage_report(**kwargs):
 def get_reprozip_ca_certificate():
     """Gets the ReproZip CA certificate filename.
     """
-    return Path(pkg_resources.resource_filename(
-        __name__.split('.', 1)[0],
-        'reprozip-ca.crt',
-    ))
+    files = importlib_resources.files(__name__.split('.', 1)[0])
+    return files.joinpath('reprozip-ca.crt')

reprozip-core/setup.py

@@ -9,6 +9,7 @@
 with io.open('README.rst', encoding='utf-8') as fp:
     description = fp.read()
 req = [
+    'importlib-resources',
     'packaging',
     'PyYAML',
     'usagestats>=1.0.1',

reprozip/reprozip/tracer/trace.py

@@ -12,11 +12,11 @@
 import contextlib
 import distro
 from collections import defaultdict
+from importlib_metadata import entry_points
 from itertools import count
 import logging
 import os
 from pathlib import Path, PurePosixPath
-from pkg_resources import iter_entry_points
 import platform
 import shutil
 import sqlite3
@@ -103,7 +103,7 @@ def to_file(self):
 
 
 def run_filter_plugins(files, input_files):
-    for entry_point in iter_entry_points('reprozip.filters'):
+    for entry_point in entry_points().select(group='reprozip.filters'):
         func = entry_point.load()
         name = entry_point.name
 

reprozip/setup.py

@@ -39,6 +39,7 @@
 with io.open('README.rst', encoding='utf-8') as fp:
     description = fp.read()
 req = [
+    'importlib-metadata',
     'PyYAML',
     'usagestats>=1.0.1',
     'requests',