Raise error for non existing package

CHANGELOG.rst

@@ -2,6 +2,12 @@ Changelog
 =========
 
 
+v0.8.4
+------
+
+- Raise error for non existing package.
+
+
 v0.8.3
 ------
 

src/python_inspector/error.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# 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://github.com/nexB/python-inspector for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
+
+class NoVersionsFound(Exception):
+    pass

src/python_inspector/resolution.py

@@ -39,6 +39,7 @@
 from _packagedcode.pypi import SetupCfgHandler
 from _packagedcode.pypi import can_process_dependent_package
 from python_inspector import utils_pypi
+from python_inspector.error import NoVersionsFound
 from python_inspector.setup_py_live_eval import iter_requirements
 from python_inspector.utils_pypi import Environment
 from python_inspector.utils_pypi import PypiSimpleRepository
@@ -288,10 +289,17 @@ def remove_extras(identifier: str) -> str:
     return name
 
 
+DEFAULT_ENVIRONMENT = utils_pypi.Environment.from_pyver_and_os(
+    python_version="38", operating_system="linux"
+)
+
+
 class PythonInputProvider(AbstractProvider):
-    def __init__(self, environment=None, repos=tuple(), analyze_setup_py_insecurely=False):
+    def __init__(
+        self, environment=DEFAULT_ENVIRONMENT, repos=tuple(), analyze_setup_py_insecurely=False
+    ):
         self.environment = environment
-        self.environment_marker = get_environment_marker_from_environment(environment)
+        self.environment_marker = get_environment_marker_from_environment(self.environment)
         self.repos = repos or []
         self.versions_by_package = {}
         self.dependencies_by_purl = {}
@@ -472,7 +480,7 @@ def get_candidates(
     def _iter_matches(
         self,
         identifier: str,
-        requirements: List[Requirement],
+        requirements: Dict,
         incompatibilities: Dict,
     ) -> Generator[Candidate, None, None]:
         """
@@ -481,17 +489,24 @@ def _iter_matches(
         name = remove_extras(identifier=identifier)
         bad_versions = {c.version for c in incompatibilities[identifier]}
         extras = {e for r in requirements[identifier] for e in r.extras}
+        versions = []
         if not self.repos:
-            all_versions = self.get_versions_for_package(name=name)
-            yield from self.get_candidates(
-                all_versions, requirements, identifier, bad_versions, name, extras
-            )
+            versions.extend(self.get_versions_for_package(name=name))
         else:
             for repo in self.repos:
-                all_versions = self.get_versions_for_package(name=name, repo=repo)
-                yield from self.get_candidates(
-                    all_versions, requirements, identifier, bad_versions, name, extras
-                )
+                versions.extend(self.get_versions_for_package(name=name, repo=repo))
+
+        if not versions:
+            raise NoVersionsFound(f"This package does not exist: {name}")
+
+        yield from self.get_candidates(
+            all_versions=versions,
+            requirements=requirements,
+            identifier=identifier,
+            bad_versions=bad_versions,
+            name=name,
+            extras=extras,
+        )
 
     def find_matches(
         self,

src/python_inspector/resolve_cli.py

@@ -36,7 +36,7 @@
 
 TRACE = False
 
-__version__ = "0.8.3"
+__version__ = "0.8.4"
 
 DEFAULT_PYTHON_VERSION = "38"
 PYPI_SIMPLE_URL = "https://pypi.org/simple"

tests/data/default-url-expected.json

@@ -2,7 +2,7 @@
   "headers": {
     "tool_name": "python-inspector",
     "tool_homepageurl": "https://github.com/nexB/python-inspector",
-    "tool_version": "0.8.3",
+    "tool_version": "0.8.4",
     "options": [
       "--specifier zipp==3.8.0",
       "--index-url https://pypi.org/simple",

tests/data/environment-marker-test-requirements.txt-expected.json

@@ -2,7 +2,7 @@
   "headers": {
     "tool_name": "python-inspector",
     "tool_homepageurl": "https://github.com/nexB/python-inspector",
-    "tool_version": "0.8.3",
+    "tool_version": "0.8.4",
     "options": [
       "--requirement /home/tg1999/Desktop/python-inspector-1/tests/data/environment-marker-test-requirements.txt",
       "--index-url https://pypi.org/simple",

tests/data/frozen-requirements.txt-expected.json

@@ -2,7 +2,7 @@
   "headers": {
     "tool_name": "python-inspector",
     "tool_homepageurl": "https://github.com/nexB/python-inspector",
-    "tool_version": "0.8.3",
+    "tool_version": "0.8.4",
     "options": [
       "--requirement /home/tg1999/Desktop/python-inspector-1/tests/data/frozen-requirements.txt",
       "--index-url https://pypi.org/simple",
@@ -1846,7 +1846,7 @@
         {
           "key": "pip",
           "package_name": "pip",
-          "installed_version": "22.2.2",
+          "installed_version": "22.3",
           "dependencies": []
         }
       ]
@@ -6010,12 +6010,12 @@
       "type": "pypi",
       "namespace": null,
       "name": "pip",
-      "version": "22.2.2",
+      "version": "22.3",
       "qualifiers": {},
       "subpath": null,
       "primary_language": "Python",
-      "description": "pip - The Python Package Installer\n==================================\n\n.. image:: https://img.shields.io/pypi/v/pip.svg\n   :target: https://pypi.org/project/pip/\n\n.. image:: https://readthedocs.org/projects/pip/badge/?version=latest\n   :target: https://pip.pypa.io/en/latest\n\npip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.\n\nPlease take a look at our documentation for how to install and use pip:\n\n* `Installation`_\n* `Usage`_\n\nWe release updates regularly, with a new version every 3 months. Find more details in our documentation:\n\n* `Release notes`_\n* `Release process`_\n\nIn pip 20.3, we've `made a big improvement to the heart of pip`_; `learn more`_. We want your input, so `sign up for our user experience research studies`_ to help us do it right.\n\n**Note**: pip 21.0, in January 2021, removed Python 2 support, per pip's `Python 2 support policy`_. Please migrate to Python 3.\n\nIf you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:\n\n* `Issue tracking`_\n* `Discourse channel`_\n* `User IRC`_\n\nIf you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:\n\n* `GitHub page`_\n* `Development documentation`_\n* `Development mailing list`_\n* `Development IRC`_\n\nCode of Conduct\n---------------\n\nEveryone interacting in the pip project's codebases, issue trackers, chat\nrooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.\n\n.. _package installer: https://packaging.python.org/guides/tool-recommendations/\n.. _Python Package Index: https://pypi.org\n.. _Installation: https://pip.pypa.io/en/stable/installation/\n.. _Usage: https://pip.pypa.io/en/stable/\n.. _Release notes: https://pip.pypa.io/en/stable/news.html\n.. _Release process: https://pip.pypa.io/en/latest/development/release-process/\n.. _GitHub page: https://github.com/pypa/pip\n.. _Development documentation: https://pip.pypa.io/en/latest/development\n.. _made a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/11/pip-20-3-new-resolver.html\n.. _learn more: https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-3-2020\n.. _sign up for our user experience research studies: https://pyfound.blogspot.com/2020/03/new-pip-resolver-to-roll-out-this-year.html\n.. _Python 2 support policy: https://pip.pypa.io/en/latest/development/release-process/#python-2-support\n.. _Issue tracking: https://github.com/pypa/pip/issues\n.. _Discourse channel: https://discuss.python.org/c/packaging\n.. _Development mailing list: https://mail.python.org/mailman3/lists/distutils-sig.python.org/\n.. _User IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa\n.. _Development IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa-dev\n.. _PSF Code of Conduct: https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md\n",
-      "release_date": "2022-08-03T18:56:21",
+      "description": "pip - The Python Package Installer\n==================================\n\n.. image:: https://img.shields.io/pypi/v/pip.svg\n   :target: https://pypi.org/project/pip/\n\n.. image:: https://readthedocs.org/projects/pip/badge/?version=latest\n   :target: https://pip.pypa.io/en/latest\n\npip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.\n\nPlease take a look at our documentation for how to install and use pip:\n\n* `Installation`_\n* `Usage`_\n\nWe release updates regularly, with a new version every 3 months. Find more details in our documentation:\n\n* `Release notes`_\n* `Release process`_\n\nIn pip 20.3, we've `made a big improvement to the heart of pip`_; `learn more`_. We want your input, so `sign up for our user experience research studies`_ to help us do it right.\n\n**Note**: pip 21.0, in January 2021, removed Python 2 support, per pip's `Python 2 support policy`_. Please migrate to Python 3.\n\nIf you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:\n\n* `Issue tracking`_\n* `Discourse channel`_\n* `User IRC`_\n\nIf you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:\n\n* `GitHub page`_\n* `Development documentation`_\n* `Development IRC`_\n\nCode of Conduct\n---------------\n\nEveryone interacting in the pip project's codebases, issue trackers, chat\nrooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.\n\n.. _package installer: https://packaging.python.org/guides/tool-recommendations/\n.. _Python Package Index: https://pypi.org\n.. _Installation: https://pip.pypa.io/en/stable/installation/\n.. _Usage: https://pip.pypa.io/en/stable/\n.. _Release notes: https://pip.pypa.io/en/stable/news.html\n.. _Release process: https://pip.pypa.io/en/latest/development/release-process/\n.. _GitHub page: https://github.com/pypa/pip\n.. _Development documentation: https://pip.pypa.io/en/latest/development\n.. _made a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/11/pip-20-3-new-resolver.html\n.. _learn more: https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-3-2020\n.. _sign up for our user experience research studies: https://pyfound.blogspot.com/2020/03/new-pip-resolver-to-roll-out-this-year.html\n.. _Python 2 support policy: https://pip.pypa.io/en/latest/development/release-process/#python-2-support\n.. _Issue tracking: https://github.com/pypa/pip/issues\n.. _Discourse channel: https://discuss.python.org/c/packaging\n.. _User IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa\n.. _Development IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa-dev\n.. _PSF Code of Conduct: https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md\n",
+      "release_date": "2022-10-15T11:41:14",
       "parties": [
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@@ -6034,11 +6034,11 @@
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       "bug_tracking_url": null,
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@@ -6053,20 +6053,20 @@
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       "repository_homepage_url": null,
       "repository_download_url": null,
-      "api_data_url": "https://pypi.org/pypi/pip/22.2.2/json",
+      "api_data_url": "https://pypi.org/pypi/pip/22.3/json",
       "datasource_id": null,
-      "purl": "pkg:pypi/pip@22.2.2"
+      "purl": "pkg:pypi/pip@22.3"
     },
     {
       "type": "pypi",
       "namespace": null,
       "name": "pip",
-      "version": "22.2.2",
+      "version": "22.3",
       "qualifiers": {},
       "subpath": null,
       "primary_language": "Python",
-      "description": "pip - The Python Package Installer\n==================================\n\n.. image:: https://img.shields.io/pypi/v/pip.svg\n   :target: https://pypi.org/project/pip/\n\n.. image:: https://readthedocs.org/projects/pip/badge/?version=latest\n   :target: https://pip.pypa.io/en/latest\n\npip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.\n\nPlease take a look at our documentation for how to install and use pip:\n\n* `Installation`_\n* `Usage`_\n\nWe release updates regularly, with a new version every 3 months. Find more details in our documentation:\n\n* `Release notes`_\n* `Release process`_\n\nIn pip 20.3, we've `made a big improvement to the heart of pip`_; `learn more`_. We want your input, so `sign up for our user experience research studies`_ to help us do it right.\n\n**Note**: pip 21.0, in January 2021, removed Python 2 support, per pip's `Python 2 support policy`_. Please migrate to Python 3.\n\nIf you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:\n\n* `Issue tracking`_\n* `Discourse channel`_\n* `User IRC`_\n\nIf you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:\n\n* `GitHub page`_\n* `Development documentation`_\n* `Development mailing list`_\n* `Development IRC`_\n\nCode of Conduct\n---------------\n\nEveryone interacting in the pip project's codebases, issue trackers, chat\nrooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.\n\n.. _package installer: https://packaging.python.org/guides/tool-recommendations/\n.. _Python Package Index: https://pypi.org\n.. _Installation: https://pip.pypa.io/en/stable/installation/\n.. _Usage: https://pip.pypa.io/en/stable/\n.. _Release notes: https://pip.pypa.io/en/stable/news.html\n.. _Release process: https://pip.pypa.io/en/latest/development/release-process/\n.. _GitHub page: https://github.com/pypa/pip\n.. _Development documentation: https://pip.pypa.io/en/latest/development\n.. _made a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/11/pip-20-3-new-resolver.html\n.. _learn more: https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-3-2020\n.. _sign up for our user experience research studies: https://pyfound.blogspot.com/2020/03/new-pip-resolver-to-roll-out-this-year.html\n.. _Python 2 support policy: https://pip.pypa.io/en/latest/development/release-process/#python-2-support\n.. _Issue tracking: https://github.com/pypa/pip/issues\n.. _Discourse channel: https://discuss.python.org/c/packaging\n.. _Development mailing list: https://mail.python.org/mailman3/lists/distutils-sig.python.org/\n.. _User IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa\n.. _Development IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa-dev\n.. _PSF Code of Conduct: https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md\n",
-      "release_date": "2022-08-03T18:56:25",
+      "description": "pip - The Python Package Installer\n==================================\n\n.. image:: https://img.shields.io/pypi/v/pip.svg\n   :target: https://pypi.org/project/pip/\n\n.. image:: https://readthedocs.org/projects/pip/badge/?version=latest\n   :target: https://pip.pypa.io/en/latest\n\npip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.\n\nPlease take a look at our documentation for how to install and use pip:\n\n* `Installation`_\n* `Usage`_\n\nWe release updates regularly, with a new version every 3 months. Find more details in our documentation:\n\n* `Release notes`_\n* `Release process`_\n\nIn pip 20.3, we've `made a big improvement to the heart of pip`_; `learn more`_. We want your input, so `sign up for our user experience research studies`_ to help us do it right.\n\n**Note**: pip 21.0, in January 2021, removed Python 2 support, per pip's `Python 2 support policy`_. Please migrate to Python 3.\n\nIf you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:\n\n* `Issue tracking`_\n* `Discourse channel`_\n* `User IRC`_\n\nIf you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:\n\n* `GitHub page`_\n* `Development documentation`_\n* `Development IRC`_\n\nCode of Conduct\n---------------\n\nEveryone interacting in the pip project's codebases, issue trackers, chat\nrooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.\n\n.. _package installer: https://packaging.python.org/guides/tool-recommendations/\n.. _Python Package Index: https://pypi.org\n.. _Installation: https://pip.pypa.io/en/stable/installation/\n.. _Usage: https://pip.pypa.io/en/stable/\n.. _Release notes: https://pip.pypa.io/en/stable/news.html\n.. _Release process: https://pip.pypa.io/en/latest/development/release-process/\n.. _GitHub page: https://github.com/pypa/pip\n.. _Development documentation: https://pip.pypa.io/en/latest/development\n.. _made a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/11/pip-20-3-new-resolver.html\n.. _learn more: https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-3-2020\n.. _sign up for our user experience research studies: https://pyfound.blogspot.com/2020/03/new-pip-resolver-to-roll-out-this-year.html\n.. _Python 2 support policy: https://pip.pypa.io/en/latest/development/release-process/#python-2-support\n.. _Issue tracking: https://github.com/pypa/pip/issues\n.. _Discourse channel: https://discuss.python.org/c/packaging\n.. _User IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa\n.. _Development IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa-dev\n.. _PSF Code of Conduct: https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md\n",
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-      "api_data_url": "https://pypi.org/pypi/pip/22.2.2/json",
+      "api_data_url": "https://pypi.org/pypi/pip/22.3/json",
       "datasource_id": null,
-      "purl": "pkg:pypi/pip@22.2.2"
+      "purl": "pkg:pypi/pip@22.3"
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