Allow templating values into extract file names

pseudo_builder.py

@@ -9,8 +9,6 @@ from dataclasses import dataclass
 from pathlib import Path
 from shutil import copy
 from shutil import copytree
-from shutil import move
-from subprocess import check_call
 
 import toml
 from wheel.wheelfile import WheelFile
@@ -40,27 +38,19 @@ class Config:
 
 
 def download(config: Config, wheel_scripts: Path) -> list[Path]:
-    release = rg.fetch_release(
-        rg.GitRemoteInfo(config.hostname, config.owner, config.repo), config.version
-    )
-    asset = rg.match_asset(
-        release,
+    """Download and extract files to the wheel_scripts directory"""
+    return rg.download_release(
+        rg.GitRemoteInfo(config.hostname, config.owner, config.repo),
+        wheel_scripts,
         config.format,
         version=config.version,
         system_mapping=config.map_system,
         arch_mapping=config.map_arch,
+        extract_files=config.extract_files,
+        pre_release=config.pre_release,
+        exec=config.exec,
     )
 
-    files = rg.download_asset(
-        asset, extract_files=config.extract_files, destination=wheel_scripts
-    )
-
-    # Optionally execute post command
-    if config.exec:
-        check_call(config.exec, shell=True, cwd=wheel_scripts)
-
-    return files
-
 
 def read_metadata() -> Config:
     """Read configuration from pyproject.toml"""

release_gitter.py

@@ -14,6 +14,7 @@ from subprocess import check_output
 from tarfile import TarFile
 from tarfile import TarInfo
 from typing import Any
+from typing import NamedTuple
 from urllib.parse import urlparse
 from zipfile import ZipFile
 
@@ -73,6 +74,12 @@ def get_synonyms(value: str, thesaurus: list[list[str]]) -> list[str]:
     return results
 
 
+class MatchedValues(NamedTuple):
+    version: str
+    system: str
+    arch: str
+
+
 @dataclass
 class GitRemoteInfo:
     """Extracts information about a repository"""
@@ -225,7 +232,7 @@ def match_asset(
     version: str | None = None,
     system_mapping: dict[str, str] | None = None,
     arch_mapping: dict[str, str] | None = None,
-) -> dict[Any, Any]:
+) -> tuple[dict[Any, Any], MatchedValues]:
     """Accepts a release and searches for an appropriate asset attached using
     a provided template and some alternative mappings for version, system, and machine info
 
@@ -286,7 +293,7 @@ def match_asset(
             version=version_opt,
             system=system_opt,
             arch=arch_opt,
-        )
+        ): MatchedValues(version=version_opt, system=system_opt, arch=arch_opt)
         for version_opt, system_opt, arch_opt in product(
             (
                 version.lstrip("v"),
@@ -299,7 +306,7 @@ def match_asset(
 
     for asset in release["assets"]:
         if asset["name"] in expected_names:
-            return asset
+            return (asset, expected_names[asset["name"]])
 
     raise ValueError(
         f"Could not find asset named {expected_names} on release {release['name']}"
@@ -581,41 +588,61 @@ def download_release(
     arch_mapping: dict[str, str] | None = None,
     extract_files: list[str] | None = None,
     pre_release=False,
+    exec: str | None = None,
 ) -> list[Path]:
-    """Convenience method for fetching, downloading and extracting a release"""
+    """Convenience method for fetching, downloading, and extracting a release
+
+    This is slightly different than running off the commandline, it will execute the shell script
+    from the destination directory, not the current working directory.
+    """
     release = fetch_release(
         remote_info,
         version=version,
         pre_release=pre_release,
     )
-    asset = match_asset(
+    asset, matched_values = match_asset(
         release,
         format,
         version=version,
         system_mapping=system_mapping,
         arch_mapping=arch_mapping,
     )
+
+    formatted_files = (
+        [file.format(**matched_values._asdict()) for file in extract_files]
+        if extract_files
+        else None
+    )
+
     files = download_asset(
         asset,
-        extract_files=extract_files,
+        extract_files=formatted_files,
         destination=destination,
     )
 
+    if exec:
+        check_call(exec.format(asset["name"]), shell=True, cwd=destination)
+
     return files
 
 
 def main():
     args = _parse_args()
 
+    # Fetch the release
     release = fetch_release(
         GitRemoteInfo(args.hostname, args.owner, args.repo),
         version=args.version,
         pre_release=args.prerelease,
     )
-    asset = match_asset(
+
+    version = args.version or release["tag_name"]
+
+    # Find the asset to download using mapping rules
+    asset, matched_values = match_asset(
         release,
         args.format,
-        version=args.version,
+        version=version,
         system_mapping=args.map_system,
         arch_mapping=args.map_arch,
     )
@@ -627,9 +654,16 @@ def main():
         print(asset["browser_download_url"])
         return
 
+    # Format files to extract with version info, as this is sometimes included
+    formatted_files = (
+        [file.format(**matched_values._asdict()) for file in args.extract_files]
+        if args.extract_files
+        else None
+    )
+
     files = download_asset(
         asset,
-        extract_files=args.extract_files,
+        extract_files=formatted_files,
         destination=args.destination,
     )
 

release_gitter_test.py

@@ -199,6 +199,13 @@ class TestContentTypeDetection(unittest.TestCase):
             )
 
 
+def first_result(f):
+    def wrapper(*args, **kwargs):
+        return f(*args, **kwargs)[0]
+
+    return wrapper
+
+
 class TestMatchAsset(unittest.TestCase):
     def test_match_asset_versions(self, *_):
         # Input variations:
@@ -233,7 +240,7 @@ class TestMatchAsset(unittest.TestCase):
             )
         ]
         for test_case in happy_cases:
-            test_case.run(release_gitter.match_asset)
+            test_case.run(first_result(release_gitter.match_asset))
 
     def test_match_asset_systems(self, *_):
         # Input variations:
@@ -347,7 +354,7 @@ class TestMatchAsset(unittest.TestCase):
             ),
         )
         for test_case in test_cases:
-            test_case.run(run_with_context)
+            test_case.run(first_result(run_with_context))
 
     def test_match_asset_archs(self, *_):
         # Input variations:
@@ -468,7 +475,7 @@ class TestMatchAsset(unittest.TestCase):
             ),
         )
         for test_case in test_cases:
-            test_case.run(run_with_context)
+            test_case.run(first_result(run_with_context))
 
 
 if __name__ == "__main__":