fix: changed sources bugfix

src/ape/managers/compilers.py

@@ -109,6 +109,7 @@ def compile(
             Dict[str, ``ContractType``]: A mapping of contract names to their type.
         """
         contract_file_paths = [Path(p) if isinstance(p, str) else p for p in contract_filepaths]
+
         extensions = self._get_contract_extensions(contract_file_paths)
         contracts_folder = self.config_manager.contracts_folder
         contract_types_dict: Dict[str, ContractType] = {}

src/ape/managers/project/types.py

@@ -19,11 +19,16 @@ class _ProjectSources:
     # running `ape compile`.
 
     def __init__(
-        self, cached_manifest: PackageManifest, active_sources: List[Path], contracts_folder: Path
+        self,
+        cached_manifest: PackageManifest,
+        active_sources: List[Path],
+        contracts_folder: Path,
+        cache_folder: Path,
     ):
         self.cached_manifest = cached_manifest
         self.active_sources = active_sources
         self.contracts_folder = contracts_folder
+        self.cache_folder = cache_folder
 
     @cached_property
     def cached_sources(self) -> Dict[str, Source]:
@@ -59,6 +64,7 @@ def sources_needing_compilation(self) -> List[Path]:
             needs_compile.update(reference_paths)
 
         needs_compile.update(all_referenced_paths)
+
         return list(needs_compile)
 
     @cached_property
@@ -83,10 +89,17 @@ def _check_needs_compiling(self, source_path: Path) -> bool:
         # We need to do the same here for to prevent the endless recompiling bug.
         content = f"{source_file.read_text('utf8').rstrip()}\n"
         checksum = compute_checksum(content.encode("utf8"), algorithm=cached_checksum.algorithm)
-        breakpoint()
 
         # NOTE: Filter by checksum to only update what's needed
-        return checksum != cached_checksum.hash  # Contents changed
+        content_changed = checksum != cached_checksum.hash  # Contents changed
+
+        if content_changed:
+            # If content has changed, removed previous build artifact.
+            json_name = source_id.split(os.path.sep)[-1]
+            cached_file = self.cache_folder / json_name
+            cached_file.unlink(missing_ok=True)
+
+        return content_changed
 
     def get_source_reference_paths(self, source_id: str) -> List[Path]:
         return [s for s in self._source_reference_paths.get(source_id, []) if s.is_file()]
@@ -175,7 +188,9 @@ def create_manifest(
                 ]
             )
         )
-        project_sources = _ProjectSources(manifest, source_paths, self.contracts_folder)
+        project_sources = _ProjectSources(
+            manifest, source_paths, self.contracts_folder, self._cache_folder
+        )
         contract_types = project_sources.remaining_cached_contract_types
         compiled_contract_types = self._compile(project_sources)
         contract_types.update(compiled_contract_types)