Replace kaptan with direct PyYAML SafeLoader usage

README.rst

@@ -221,6 +221,12 @@ To work around API limitation, you must first generate a
 Changes
 =======
 
+UNRELEASED
+------------------
+
+* Replace Kaptan with PyYAML.
+
+
 3.0.1 (2022-09-21)
 ------------------
 

git_aggregator/config.py

@@ -6,11 +6,11 @@
 import os
 from string import Template
 
-import kaptan
+import yaml
+
 from .exception import ConfigException
 from ._compat import string_types
 
-
 log = logging.getLogger(__name__)
 
 
@@ -148,7 +148,6 @@ def load_config(config, expand_env=False, env_file=None, force=False):
         raise ConfigException('Unable to find configuration file: %s' % config)
 
     file_extension = os.path.splitext(config)[1][1:]
-    conf = kaptan.Kaptan(handler=kaptan.HANDLER_EXT.get(file_extension))
 
     if expand_env:
         environment = {}
@@ -166,5 +165,16 @@ def load_config(config, expand_env=False, env_file=None, force=False):
             config = Template(file_handler.read())
             config = config.substitute(environment)
 
-    conf.import_config(config)
-    return get_repos(conf.export('dict') or {}, force)
+    if os.path.isfile(config):
+        if file_extension in ["yaml", "yml"]:
+            config = open(config, 'r').read()
+        else:
+            raise NotImplementedError(
+                f"{file_extension} not supported in {config}")
+
+    conf = yaml.load(
+        config,
+        Loader=yaml.SafeLoader,
+    )
+
+    return get_repos(conf or {}, force)

setup.py

@@ -36,7 +36,7 @@
         'setuptools_scm',
     ],
     install_requires=[
-        'kaptan',
+        'PyYAML',
         'argcomplete',
         'colorama',
         'requests',

tests/test_config.py

@@ -4,9 +4,10 @@
 import os
 import tempfile
 import unittest
-import kaptan
 from textwrap import dedent
 
+import yaml
+
 from git_aggregator import config
 from git_aggregator.exception import ConfigException
 from git_aggregator._compat import PY2
@@ -15,9 +16,11 @@
 class TestConfig(unittest.TestCase):
 
     def _parse_config(self, config_str):
-        conf = kaptan.Kaptan(handler='yaml')
-        conf.import_config(config_str)
-        return conf.export('dict')
+        content = yaml.load(
+            config_str,
+            Loader=yaml.SafeLoader,
+        )
+        return content
 
     def test_load(self):
         config_yaml = """