feat: add multi-license support with MIT, Apache 2.0, GPL-3.0 and other options

kpatryk · kpatryk · commit 9cbe1a2b71d6 · 2025-12-27T23:56:45.000+01:00
diff --git a/LICENSE b/LICENSE
diff --git a/LICENSE.jinja b/LICENSE.jinja
@@ -0,0 +1 @@
+{% include 'licenses/' + license_type %}
diff --git a/copier.yaml b/copier.yaml
@@ -39,6 +39,21 @@ include_license:
     help: "Include a LICENSE file in the project?"
     default: false
 
+license_type:
+    type: str
+    help: "Choose a license type"
+    choices:
+        MIT: mit
+        Apache 2.0: apache-2.0
+        GNU General Public License v2.0: gpl-2.0
+        GNU General Public License v3.0: gpl-3.0
+        GNU Lesser General Public License v2.0: lgpl-2.0
+        GNU Lesser General Public License v2.1: lgpl-2.1
+        GNU Lesser General Public License v3.0: lgpl-3.0
+        Mozilla Public License 2.0: mpl-2.0
+    default: mit
+    when: "{{ include_license }}"
+
 _templates_suffix: .jinja
 _envops:
     block_start_string: "{%"
@@ -59,5 +74,7 @@ _exclude:
     - ".pytest_cache"
     - ".ruff_cache"
     - ".DS_Store"
+    - "licenses"
 
-_tasks: []
+_tasks:
+    - "{% if not include_license %}rm -f LICENSE{% endif %}"
diff --git a/licenses/apache-2.0 b/licenses/apache-2.0
@@ -0,0 +1,16 @@
+Apache License
+Version 2.0, January 2004
+
+Copyright 2025 {{ author_name }}
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/licenses/gpl-2.0 b/licenses/gpl-2.0
@@ -0,0 +1,20 @@
+GNU GENERAL PUBLIC LICENSE
+Version 2, June 1991
+
+Copyright (C) 2025 {{ author_name }}
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+For the full license text, see: https://www.gnu.org/licenses/gpl-2.0.txt
diff --git a/licenses/gpl-3.0 b/licenses/gpl-3.0
@@ -0,0 +1,17 @@
+GNU GENERAL PUBLIC LICENSE
+Version 3, 29 June 2007
+
+Copyright (C) 2025 {{ author_name }}
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
diff --git a/licenses/lgpl-2.0 b/licenses/lgpl-2.0
@@ -0,0 +1,20 @@
+GNU LIBRARY GENERAL PUBLIC LICENSE
+Version 2, June 1991
+
+Copyright (C) 2025 {{ author_name }}
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public License
+along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+For the full license text, see: https://www.gnu.org/licenses/old-licenses/lgpl-2.0.txt
diff --git a/licenses/lgpl-2.1 b/licenses/lgpl-2.1
@@ -0,0 +1,20 @@
+GNU LESSER GENERAL PUBLIC LICENSE
+Version 2.1, February 1999
+
+Copyright (C) 2025 {{ author_name }}
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+For the full license text, see: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
diff --git a/licenses/lgpl-3.0 b/licenses/lgpl-3.0
@@ -0,0 +1,19 @@
+GNU LESSER GENERAL PUBLIC LICENSE
+Version 3, 29 June 2007
+
+Copyright (C) 2025 {{ author_name }}
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library. If not, see <https://www.gnu.org/licenses/>.
+
+For the full license text, see: https://www.gnu.org/licenses/lgpl-3.0.txt
diff --git a/licenses/mit b/licenses/mit
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 {{ author_name }}
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/licenses/mpl-2.0 b/licenses/mpl-2.0
@@ -0,0 +1,116 @@
+Mozilla Public License Version 2.0
+==================================
+
+This Source Code Form is subject to the terms of the Mozilla Public License,
+v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain
+one at https://mozilla.org/MPL/2.0/.
+
+Copyright 2025 {{ author_name }}
+
+1. Definitions
+--------------
+
+1.1. "Contributor"
+    means each individual or legal entity that creates, contributes to
+    the creation of, or owns Covered Software.
+
+1.2. "Contributor Version"
+    means the combination of the Contributions of others (if any) used
+    by a Contributor and that particular Contributor's Contribution.
+
+1.3. "Contribution"
+    means Covered Software of a particular Contributor.
+
+1.4. "Covered Software"
+    means Source Code Form to which the initial Contributor has attached
+    the notice in Exhibit A, the Executable Form of such Source Code
+    Form, and Modifications of such Source Code Form, in each case
+    including portions thereof.
+
+1.5. "Incompatible With Secondary Licenses"
+    means
+
+    (a) that the initial Contributor has attached the notice described
+        in Exhibit B to the Covered Software; or
+
+    (b) that the Covered Software was made available under the terms of
+        version 1.1 or earlier of the License, but not also under the
+        terms of a Secondary License.
+
+1.6. "Executable Form"
+    means any form of the work other than Source Code Form.
+
+1.7. "Larger Work"
+    means a work that combines Covered Software with other material, in
+    a separate file or files, that is not Covered Software.
+
+1.8. "License"
+    means this document.
+
+1.9. "Licensable"
+    means having the right to grant, to the maximum extent possible,
+    whether at the time of the initial grant or subsequently, any and
+    all of the rights conveyed by this License.
+
+1.10. "Modifications"
+    means any of the following:
+
+    (a) any file in Source Code Form that results from an addition to,
+        deletion from, or modification of the contents of Covered
+        Software; or
+
+    (b) any new file in Source Code Form that contains any Covered
+        Software.
+
+1.11. "Patent Claims" of a Contributor
+    means any patent claim(s), including without limitation, method,
+    process, and apparatus claims, in any patent Licensable by such
+    Contributor that would be infringed, but for the grant of the
+    License, by the making, using, selling, offering for sale, having
+    made, import, or transfer of either its Contributions or its
+    Contributor Version.
+
+1.12. "Secondary License"
+    means either the GNU General Public License, Version 2.0, the GNU
+    Lesser General Public License, Version 2.1, the GNU Affero General
+    Public License, Version 3.0, or any later versions of those
+    licenses.
+
+1.13. "Source Code Form"
+    means the form of the work preferred for making modifications.
+
+1.14. "You" (or "Your")
+    means an individual or a legal entity exercising rights under this
+    License. For legal entities, "You" includes any entity that
+    controls, is controlled by, or is under common control with You. For
+    purposes of this definition, "control" means (a) the power, direct
+    or indirect, to cause the direction or management of such entity,
+    whether by contract or otherwise, or (b) ownership of more than
+    fifty percent (50%) of the outstanding shares or beneficial
+    ownership of such entity.
+
+2. License Grants and Conditions
+================================
+
+2.1. Grants
+
+Each Contributor hereby grants You a world-wide, royalty-free,
+non-exclusive license:
+
+(a) under intellectual property rights (other than patent or trademark)
+    Licensable by such Contributor to use, reproduce, make available,
+    modify, display, perform, distribute, and otherwise exploit its
+    Contributions, either on an unmodified basis, with Modifications, or
+    as part of a Larger Work; and
+
+(b) under Patent Claims of such Contributor to make, use, sell, offer
+    for sale, have made, import, and otherwise transfer either its
+    Contributions or its Contributor Version.
+
+2.2. Effective Date
+
+The licenses granted in Section 2.1 with respect to any Contribution
+become effective for each Contribution on the date the Contributor first
+distributes such Contribution.
+
+For the full license text, see: https://www.mozilla.org/en-US/MPL/2.0/
diff --git a/my_tests/conftest.py b/my_tests/conftest.py
@@ -4,12 +4,13 @@
 
 from __future__ import annotations
 
-from pathlib import Path
 import tempfile
+from pathlib import Path
 
 import pytest
 from copier import run_copy
 
+# Module-level constant: computed once at import time, not repeatedly during tests
 TEMPLATE_ROOT = Path(__file__).resolve().parents[1]
 
 # Base data and small helper to produce test data with overrides
@@ -71,3 +72,48 @@ def generated_basic(_session_basic_project: Path) -> Path:
 def generated_with_ruff(_session_with_ruff_project: Path) -> Path:
     """Generated project with Ruff (wraps session fixture for ~50% faster execution)."""
     return _session_with_ruff_project
+
+
+# License test data: used by unit tests in test_licenses.py
+LICENSE_TEST_CASES = [
+    {
+        "license_type": "mit",
+        "expected_headers": ["MIT License"],
+        "expected_patterns": ["Copyright (c) 2025", "Permission is hereby granted"],
+    },
+    {
+        "license_type": "apache-2.0",
+        "expected_headers": ["Apache License", "Version 2.0"],
+        "expected_patterns": ["Copyright 2025", "Licensed under the Apache License"],
+    },
+    {
+        "license_type": "gpl-2.0",
+        "expected_headers": ["GNU GENERAL PUBLIC LICENSE", "Version 2"],
+        "expected_patterns": ["Copyright (C) 2025", "free software"],
+    },
+    {
+        "license_type": "gpl-3.0",
+        "expected_headers": ["GNU GENERAL PUBLIC LICENSE", "Version 3"],
+        "expected_patterns": ["Copyright (C) 2025", "free software"],
+    },
+    {
+        "license_type": "lgpl-2.0",
+        "expected_headers": ["GNU LIBRARY GENERAL PUBLIC LICENSE", "Version 2"],
+        "expected_patterns": ["Copyright (C) 2025", "library is free software"],
+    },
+    {
+        "license_type": "lgpl-2.1",
+        "expected_headers": ["GNU LESSER GENERAL PUBLIC LICENSE", "Version 2.1"],
+        "expected_patterns": ["Copyright (C) 2025", "library is free software"],
+    },
+    {
+        "license_type": "lgpl-3.0",
+        "expected_headers": ["GNU LESSER GENERAL PUBLIC LICENSE", "Version 3"],
+        "expected_patterns": ["Copyright (C) 2025", "library is free software"],
+    },
+    {
+        "license_type": "mpl-2.0",
+        "expected_headers": ["Mozilla Public License Version 2.0"],
+        "expected_patterns": ["1. Definitions", "2. License Grants"],
+    },
+]
diff --git a/my_tests/test_core_structure.py b/my_tests/test_core_structure.py
@@ -3,10 +3,10 @@
 from __future__ import annotations
 
 from pathlib import Path
+
 import pytest
 
-# Test data constants (defined in conftest for centralized management)
-# These are recreated per module, but pytest caches them so the overhead is minimal
+# Module-level constants: defined once per module load, not recreated per test
 EXPECTED_FILES = [
     ".copier-answers.yml",
     ".gitattributes",
diff --git a/my_tests/test_exclusions.py b/my_tests/test_exclusions.py
@@ -6,7 +6,7 @@
 
 import pytest
 
-# Test data constants (defined in conftest for centralized management)
+# Module-level constants: defined once per module load, not recreated per test
 EXCLUDED_DIRS = [".github", ".git", ".vscode", ".chlog", ".pytest_cache", "docs", "my_tests", "samples"]
 EXCLUDED_FILES = ["copier.yaml"]
 
diff --git a/my_tests/test_licenses.py b/my_tests/test_licenses.py
diff --git a/my_tests/test_optional_license.py b/my_tests/test_optional_license.py

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+{% include 'licenses/' + license_type %}`