file searching improvements

Author: Garcia6l20

dan/core/find.py

@@ -2,6 +2,7 @@
 import os
 from dan.core.pathlib import Path
 import re
+import typing as t
 
 include_paths_lookup = [
     '~/.local/include',
@@ -32,15 +33,14 @@ def find_file(expr, paths) -> Path:
                 if r.match(file):
                     return Path(root) / file
 
-def find_files(expr, paths) -> list[Path]:
+
+def find_files(expr, paths) -> t.Generator[Path, None, None]:
     r = re.compile(expr)
-    files = list()
     for path in paths:
         for root, _, _files in os.walk(os.path.expandvars(os.path.expanduser(path))):
             for file in _files:
                 if r.match(file):
-                    files.append(Path(root) / file)
-    return files
+                    yield (Path(root) / file)
 
 
 def find_include_path(name, paths: list[str|Path] = None) -> Path:
@@ -66,12 +66,12 @@ def find_executable(name, paths: list[str|Path] = None, default_paths=True) -> P
         paths.extend(programs_paths_lookup)
     return find_file(expr, paths)
 
-def find_executables(name, paths: list[str|Path] = None, default_paths=True) -> list[Path]:
+def find_executables(name, paths: list[str|Path] = None, default_paths=True) -> t.Generator[Path, None, None]:
     paths = paths or list()
     if os.name == 'posix':
         expr = name + '$'
     elif os.name == 'nt':
         expr = f'{name}.exe$'
     if default_paths:
         paths.extend(programs_paths_lookup)
-    return find_files(expr, paths)
+    yield from find_files(expr, paths)

dan/pkgconfig/package.py

@@ -13,17 +13,20 @@
 from dan.core.version import Version, VersionSpec
 from dan.cxx.targets import CXXTarget, Library
 
+import typing as t
+
 
 class MissingPackage(RuntimeError):
     def __init__(self, name) -> None:
         super().__init__(f'package {name} not found')
 
 
 def find_pkg_config(name, paths=list()) -> Path:
-    return find_file(fr'.*{name}\.pc$', ['$PKG_CONFIG_PATH', *paths, *library_paths_lookup])
+    return find_file(fr'.*{name}\.pc$', [*paths, '$PKG_CONFIG_PATH', *library_paths_lookup])
+
 
-def find_pkg_configs(name, paths=list()) -> Path:
-    return find_files(fr'.*{name}\.pc$', ['$PKG_CONFIG_PATH', *paths, *library_paths_lookup])
+def find_pkg_configs(name, paths=list()) -> t.Generator[Path, None, None]:
+    yield from find_files(fr'.*{name}\.pc$', [*paths, '$PKG_CONFIG_PATH', *library_paths_lookup])
 
 
 def has_package(name,  paths=list()):