diff options
Diffstat (limited to 'mesonbuild/wrap/wrap.py')
| -rw-r--r-- | mesonbuild/wrap/wrap.py | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/mesonbuild/wrap/wrap.py b/mesonbuild/wrap/wrap.py index c0f0f07..a1bf725 100644 --- a/mesonbuild/wrap/wrap.py +++ b/mesonbuild/wrap/wrap.py @@ -45,6 +45,9 @@ from .. import mesonlib if T.TYPE_CHECKING: import http.client + from typing_extensions import Literal + + Method = Literal['meson', 'cmake'] try: # Importing is just done to check if SSL exists, so all warnings @@ -406,7 +409,7 @@ class Resolver: return wrap_name return None - def resolve(self, packagename: str, method: str) -> str: + def resolve(self, packagename: str, force_method: T.Optional[Method] = None) -> T.Tuple[str, Method]: self.packagename = packagename self.directory = packagename self.wrap = self.wraps.get(packagename) @@ -443,17 +446,28 @@ class Resolver: self.dirname = self.wrap.filename rel_path = os.path.relpath(self.dirname, self.source_dir) - if method == 'meson': - buildfile = os.path.join(self.dirname, 'meson.build') - elif method == 'cmake': - buildfile = os.path.join(self.dirname, 'CMakeLists.txt') - else: - raise WrapException('Only the methods "meson" and "cmake" are supported') + # Map each supported method to a file that must exist at the root of source tree. + methods_map: T.Dict[Method, str] = { + 'meson': 'meson.build', + 'cmake': 'CMakeLists.txt', + } + + # Check if this wrap forces a specific method, use meson otherwise. + method = T.cast('T.Optional[Method]', self.wrap.values.get('method', force_method)) + if method and method not in methods_map: + allowed_methods = ', '.join(methods_map.keys()) + raise WrapException(f'Wrap method {method!r} is not supported, must be one of: {allowed_methods}') + if force_method and method != force_method: + raise WrapException(f'Wrap method is {method!r} but we are trying to configure it with {force_method}') + method = method or 'meson' + + def has_buildfile() -> bool: + return os.path.exists(os.path.join(self.dirname, methods_map[method])) # The directory is there and has meson.build? Great, use it. - if os.path.exists(buildfile): + if has_buildfile(): self.validate() - return rel_path + return rel_path, method # Check if the subproject is a git submodule self.resolve_git_submodule() @@ -491,16 +505,14 @@ class Resolver: windows_proof_rmtree(self.dirname) raise - # A meson.build or CMakeLists.txt file is required in the directory - if not os.path.exists(buildfile): - raise WrapException(f'Subproject exists but has no {os.path.basename(buildfile)} file') + if not has_buildfile(): + raise WrapException(f'Subproject exists but has no {methods_map[method]} file.') # At this point, the subproject has been successfully resolved for the # first time so save off the hash of the entire wrap file for future # reference. self.wrap.update_hash_cache(self.dirname) - - return rel_path + return rel_path, method def check_can_download(self) -> None: # Don't download subproject data based on wrap file if requested. |