Improve env var support

src/python_inspector/api.py

@@ -5,7 +5,7 @@
 # ScanCode is a trademark of nexB Inc.
 # SPDX-License-Identifier: Apache-2.0
 # See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
-# See https://aboutcode-orgnexB/python-inspector for support or download.
+# See https://aboutcode-org/python-inspector for support or download.
 # See https://aboutcode.org for more information about nexB OSS projects.
 #
 import asyncio
@@ -42,6 +42,7 @@
 from python_inspector.resolution import get_reqs_insecurely
 from python_inspector.resolution import get_requirements_from_python_manifest
 from python_inspector.utils import Candidate
+from python_inspector.utils import unique
 from python_inspector.utils_pypi import PLATFORMS_BY_OS
 from python_inspector.utils_pypi import Environment
 from python_inspector.utils_pypi import PypiSimpleRepository
@@ -336,7 +337,7 @@ def get_index_urls(index_urls: Tuple, extra_data: Dict) -> Tuple:
         index_urls = (*index_urls, *tuple(extra_index_urls))
     if isinstance(index_url, str):
         index_urls = (*index_urls, *tuple([index_url]))
-    return tuple(set(index_urls))
+    return tuple(unique(index_urls))
 
 
 resolver_api = resolve_dependencies

src/python_inspector/resolve_cli.py

@@ -91,6 +91,7 @@ def print_version(ctx, param, value):
 @click.option(
     "--index-url",
     "index_urls",
+    envvar="PYINSP_INDEX_URL",
     type=str,
     metavar="INDEX",
     show_default=True,
@@ -122,6 +123,7 @@ def print_version(ctx, param, value):
     "--netrc",
     "netrc_file",
     type=click.Path(exists=True, readable=True, path_type=str, dir_okay=False),
+    envvar="PYINSP_NETRC_FILE",
     metavar="NETRC-FILE",
     hidden=True,
     required=False,
@@ -163,6 +165,7 @@ def print_version(ctx, param, value):
 )
 @click.option(
     "--verbose",
+    envvar="PYINSP_VERBOSE",
     is_flag=True,
     help="Enable verbose debug output.",
 )

src/python_inspector/settings.py

@@ -18,13 +18,13 @@ class Settings(BaseSettings):
     """
     Reference: https://docs.pydantic.dev/latest/concepts/pydantic_settings/
     A settings object: use it with an .env file and/or environment variables all prefixed with
-    PYTHON_INSPECTOR_
+    PYINSP_
     """
 
     model_config = SettingsConfigDict(
         env_file=".env",
         env_file_encoding="utf-8",
-        env_prefix="PYTHON_INSPECTOR_",
+        env_prefix="PYINSP_",
         case_sensitive=True,
         extra="allow",
     )

src/python_inspector/utils.py

@@ -101,3 +101,20 @@ def remove_test_data_dir_variable_prefix(path, placeholder="<file>"):
         return cleaned.replace("\\", "/")
     else:
         return placeholder
+
+
+def unique(sequence):
+    """
+    Return a list of unique items found in sequence. Preserve the original sequence order.
+    Items must be hashable.
+    For example:
+    >>> unique([1, 5, 3, 5])
+    [1, 5, 3]
+    """
+    seen = set()
+    deduped = []
+    for item in sequence:
+        if item not in seen:
+            deduped.append(item)
+            seen.add(item)
+    return deduped

src/python_inspector/utils_pypi.py

@@ -252,6 +252,7 @@ async def download_wheel(
                 )
             continue
         for wheel in supported_and_valid_wheels:
+            wheel.credentials = repo.credentials
             fetched_wheel_filename = await wheel.download(
                 dest_dir=dest_dir,
                 verbose=verbose,