chore: remove support for .uccignore (#1770)

**Issue number:** ADDON-76463

### PR Type

**What kind of change does this PR introduce?**
* [ ] Feature
* [ ] Bug Fix
* [x] Refactoring (no functional or API changes)
* [x] Documentation Update
* [ ] Maintenance (dependency updates, CI, etc.)

## Summary

### Changes

Support for `.uccignore` has been removed. If a user includes this file,
the build will now fail with an error message.

### User experience

Users will no longer be able to use `.uccignore` feature.

## Checklist

If an item doesn't apply to your changes, leave it unchecked.

### Review

* [x] self-review - I have performed a self-review of this change
according to the [development
guidelines](https://splunk.github.io/addonfactory-ucc-generator/contributing/#development-guidelines)
* [x] Changes are documented. The documentation is understandable,
examples work [(more
info)](https://splunk.github.io/addonfactory-ucc-generator/contributing/#documentation-guidelines)
* [x] PR title and description follows the [contributing
principles](https://splunk.github.io/addonfactory-ucc-generator/contributing/#pull-requests)
* [ ] meeting - I have scheduled a meeting or recorded a demo to explain
these changes (if there is a video, put a link below and in the ticket)

### Tests

See [the testing
doc](https://splunk.github.io/addonfactory-ucc-generator/contributing/#build-and-test).

* [ ] Unit - tests have been added/modified to cover the changes
* [x] Smoke - tests have been added/modified to cover the changes
* [ ] UI - tests have been added/modified to cover the changes
* [x] coverage - I have checked the code coverage of my changes [(see
more)](https://splunk.github.io/addonfactory-ucc-generator/contributing/#checking-the-code-coverage)

**Demo/meeting:**

*Reviewers are encouraged to request meetings or demos if any part of
the change is unclear*

---------

Co-authored-by: soleksy-splunk <143183665+soleksy-splunk@users.noreply.github.com>

Author: hetangmodi-crest

docs/uccignore.md

@@ -94,7 +94,6 @@ nav:
   - Custom search commands: "custom_search_commands.md"
   - Table: "table.md"
   - Additional packaging: "additional_packaging.md"
-  - UCC ignore: "uccignore.md"
   - OpenAPI: "openapi.md"
   - UCC-related libraries: "ucc_related_libraries.md"
   - Custom UI extensions:

mkdocs.yml

@@ -14,7 +14,6 @@
 # limitations under the License.
 #
 import ast
-import glob
 import json
 import logging
 import os
@@ -227,63 +226,6 @@ def _get_num_of_args(
     return None
 
 
-def _get_ignore_list(
-    addon_name: str, ucc_ignore_path: str, output_directory: str
-) -> list[str]:
-    """
-    Return path of files/folders to be removed.
-
-    Args:
-        addon_name: Add-on name.
-        ucc_ignore_path: Path to '.uccignore'.
-        output_directory: Output directory path.
-
-    Returns:
-        list: List of paths to be removed from output directory.
-    """
-    if not os.path.exists(ucc_ignore_path):
-        return []
-    else:
-        logger.warning(
-            "The `.uccignore` feature has been deprecated from UCC and is planned to be removed after May 2025. "
-            "To achieve the similar functionality use additional_packaging.py."
-            "\nRefer: https://splunk.github.io/addonfactory-ucc-generator/additional_packaging/."
-        )
-        with open(ucc_ignore_path) as ignore_file:
-            ignore_list = ignore_file.readlines()
-        ignore_list = [
-            (
-                os.path.join(output_directory, addon_name, utils.get_os_path(path))
-            ).strip()
-            for path in ignore_list
-            if path.strip()
-        ]
-        return ignore_list
-
-
-def _remove_listed_files(ignore_list: list[str]) -> list[str]:
-    """
-    Return path of files/folders to removed in output folder.
-
-    Args:
-        ignore_list (list): List of files/folder patterns to be removed in output directory.
-    """
-    removed_list = []
-    for pattern in ignore_list:
-        paths = glob.glob(pattern, recursive=True)
-        if not paths:
-            logger.warning(f"No files found for the specified pattern: {pattern}")
-            continue
-        for path in paths:
-            if os.path.exists(path):
-                if os.path.isfile(path):
-                    os.remove(path)
-                elif os.path.isdir(path):
-                    shutil.rmtree(path, ignore_errors=True)
-                removed_list.append(path)
-    return removed_list
-
-
 def _get_addon_version(addon_version: Optional[str]) -> str:
     if not addon_version:
         try:
@@ -627,14 +569,6 @@ def generate(
             global_config, gc_path, ta_name, dashboard_definition_json_path
         )
 
-    ignore_list = _get_ignore_list(
-        ta_name,
-        os.path.abspath(os.path.join(source, os.pardir, ".uccignore")),
-        output_directory,
-    )
-    removed_list = _remove_listed_files(ignore_list)
-    if removed_list:
-        logger.info("Removed:\n{}".format("\n".join(removed_list)))
     utils.check_author_name(source, app_manifest)
 
     # Update files before overwriting

splunk_add_on_ucc_framework/commands/build.py

@@ -637,82 +637,13 @@ def summarize_types(raw_expected_logs):
         assert log_line.levelname == expected_logs[log_line.message]
 
 
-def test_ucc_generate_with_everything_uccignore(caplog):
-    """
-    Checks the deprecation warning of .uccignore present in a repo with
-    its functionality still working.
-    """
-    # clean-up cached `additional_packaging` module when running all tests
-    sys.modules.pop("additional_packaging", "")
-    with tempfile.TemporaryDirectory() as temp_dir:
-        package_folder = path.join(
-            path.dirname(path.realpath(__file__)),
-            "..",
-            "testdata",
-            "test_addons",
-            "package_global_config_everything_uccignore",
-            "package",
-        )
-        # create `.uccignore` temporarily
-        ucc_file = path.join(path.dirname(package_folder), ".uccignore")
-        f = open(ucc_file, "w+")
-        f.write(
-            """**/**one.py
-bin/splunk_ta_uccexample_rh_example_input_two.py
-bin/wrong_pattern
-"""
-        )
-        f.close()
-        build.generate(source=package_folder, output_directory=temp_dir)
-
-        expected_warning_msg = (
-            f"No files found for the specified pattern: "
-            f"{temp_dir}/Splunk_TA_UCCExample/bin/wrong_pattern"
-        )
-
-        edm_paths = {
-            f"{temp_dir}/Splunk_TA_UCCExample/bin/splunk_ta_uccexample_rh_example_input_one.py",
-            f"{temp_dir}/Splunk_TA_UCCExample/bin/helper_one.py",
-            f"{temp_dir}/Splunk_TA_UCCExample/bin/example_input_one.py",
-            f"{temp_dir}/Splunk_TA_UCCExample/bin/splunk_ta_uccexample_rh_example_input_two.py",
-        }
-        removed = set(
-            caplog.text.split("Removed:", 1)[1].split("INFO")[0].strip().split("\n")
-        )
-        exp_msg = (
-            "The `.uccignore` feature has been deprecated from UCC and is planned to be removed after May 2025. "
-            "To achieve the similar functionality use additional_packaging.py."
-            "\nRefer: https://splunk.github.io/addonfactory-ucc-generator/additional_packaging/."
-        )
-        exp_info_msg = (
-            "additional_packaging.py is present but does not have `additional_packaging`."
-            " Skipping additional packaging."
-        )
-
-        assert exp_msg in caplog.text
-        assert exp_info_msg in caplog.text
-        assert expected_warning_msg in caplog.text
-        assert edm_paths == removed
-        # on successful assertion, we delete the file
-        os.remove(ucc_file)
-
-        actual_folder = path.join(temp_dir, "Splunk_TA_UCCExample")
-        # when custom files are provided, default files shouldn't be shipped
-        files_should_be_absent = [
-            ("bin", "splunk_ta_uccexample_rh_example_input_one.py"),
-            ("bin", "example_input_one.py"),
-            ("bin", "splunk_ta_uccexample_rh_example_input_two.py"),
-        ]
-        for af in files_should_be_absent:
-            actual_file_path = path.join(actual_folder, *af)
-            assert not path.exists(actual_file_path)
-
-
 def test_ucc_generate_with_everything_cleanup_output_files():
     """
     Checks the functioning of addtional_packaging.py's `cleanup_output_files`  present in a repo.
     Compares only the files that shouldn't be present in the output directory.
     """
+    # clean-up cached `additional_packaging` module when running all tests
+    sys.modules.pop("additional_packaging", "")
     with tempfile.TemporaryDirectory() as temp_dir:
         package_folder = path.join(
             path.dirname(path.realpath(__file__)),