Make sure we handle variations in name and import name

check_dist/_core.py

@@ -134,8 +134,6 @@ def load_hatch_config(pyproject_path: str | Path = "pyproject.toml") -> dict:
     return config.get("tool", {}).get("hatch", {}).get("build", {})
 
 
-# ── Copier template defaults ─────────────────────────────────────────
-
 # Per-extension type defaults for sdist/wheel present/absent patterns.
 # Keys follow the ``add_extension`` value in ``.copier-answers.yaml``.
 _EXTENSION_DEFAULTS: dict[str, dict] = {
@@ -217,6 +215,39 @@ def _module_name_from_project(project_name: str) -> str:
     return re.sub(r"[\s-]+", "_", project_name).strip("_")
 
 
+def _normalize_name(name: str) -> str:
+    """Normalize a name by stripping underscores, hyphens, and periods."""
+    return re.sub(r"[-_.]+", "", name).lower()
+
+
+def _resolve_module_from_hatch(module: str, hatch_config: dict) -> str:
+    """Resolve the module name from hatch packages configuration.
+
+    If any package in the hatch sdist or wheel ``packages`` (or
+    ``only-include``) is equivalent to *module* after normalizing away
+    underscores, hyphens, and periods, return that package name instead.
+    This handles projects where the distribution name differs from the
+    importable package name (e.g. ``jupyter-fs`` vs ``jupyterfs``).
+    """
+    norm = _normalize_name(module)
+    candidates: list[str] = []
+    for target in ("sdist", "wheel"):
+        target_cfg = hatch_config.get("targets", {}).get(target, {})
+        for key in ("only-include", "packages"):
+            vals = target_cfg.get(key)
+            if vals:
+                candidates.extend(vals)
+    # Also check top-level packages / only-include
+    for key in ("only-include", "packages"):
+        vals = hatch_config.get(key)
+        if vals:
+            candidates.extend(vals)
+    for candidate in candidates:
+        if _normalize_name(candidate) == norm:
+            return candidate
+    return module
+
+
 def copier_defaults(copier_config: dict, hatch_config: dict | None = None) -> dict | None:
     """Derive default check-dist config from copier answers.
 
@@ -240,6 +271,8 @@ def copier_defaults(copier_config: dict, hatch_config: dict | None = None) -> di
         return None
 
     module = _module_name_from_project(project_name)
+    if hatch_config:
+        module = _resolve_module_from_hatch(module, hatch_config)
 
     sdist_present_extra = list(ext_defaults.get("sdist_present_extra", []))
 
@@ -301,9 +334,6 @@ def _filter_extras_by_hatch(extras: list[str], hatch_config: dict) -> list[str]:
     return extras
 
 
-# ── Building ──────────────────────────────────────────────────────────
-
-
 def build_dists(source_dir: str, output_dir: str, *, no_isolation: bool = False) -> list[str]:
     """Build sdist and wheel into *output_dir*.
 
@@ -378,9 +408,6 @@ def _find_pre_built(source_dir: str) -> str | None:
     return None
 
 
-# ── Listing files ─────────────────────────────────────────────────────
-
-
 def list_sdist_files(sdist_path: str) -> list[str]:
     """List files inside an sdist, stripping the top-level directory."""
     files: list[str] = []
@@ -407,9 +434,6 @@ def list_wheel_files(wheel_path: str) -> list[str]:
         return sorted(name for name in zf.namelist() if not name.endswith("/"))
 
 
-# ── VCS integration ───────────────────────────────────────────────────
-
-
 def get_vcs_files(source_dir: str) -> list[str]:
     """Return files tracked by git in *source_dir*."""
     try:
@@ -426,9 +450,6 @@ def get_vcs_files(source_dir: str) -> list[str]:
     return sorted(f for f in result.stdout.split("\0") if f)
 
 
-# ── Pattern matching ──────────────────────────────────────────────────
-
-
 def matches_pattern(filepath: str, pattern: str) -> bool:
     """Check whether *filepath* matches *pattern*.
 
@@ -479,9 +500,6 @@ def _matches_hatch_pattern(filepath: str, pattern: str) -> bool:
     return False
 
 
-# ── Checking helpers ──────────────────────────────────────────────────
-
-
 def check_present(files: list[str], patterns: list[str], dist_type: str) -> list[str]:
     """Return error strings for any *patterns* not found in *files*."""
     errors: list[str] = []
@@ -664,9 +682,6 @@ def check_sdist_vs_vcs(
     return errors
 
 
-# ── Main entry point ──────────────────────────────────────────────────
-
-
 def check_dist(
     source_dir: str = ".",
     *,
@@ -742,7 +757,6 @@ def check_dist(
             if not wheel_path:
                 errors.append("No wheel found in pre-built directory")
 
-        # ── sdist checks ─────────────────────────────────────────
         if sdist_path:
             sdist_files = list_sdist_files(sdist_path)
             messages.append(f"\nsdist ({os.path.basename(sdist_path)}) – {len(sdist_files)} file(s):")
@@ -760,7 +774,6 @@ def check_dist(
             errors.extend(check_absent(sdist_files, config["sdist"]["absent"], "sdist", present_patterns=config["sdist"]["present"]))
             errors.extend(check_wrong_platform_extensions(sdist_files, "sdist"))
 
-        # ── wheel checks ─────────────────────────────────────────
         if wheel_path:
             wheel_files = list_wheel_files(wheel_path)
             messages.append(f"\nwheel ({os.path.basename(wheel_path)}) – {len(wheel_files)} file(s):")