feat: improve errors + docs

prose/blocks/alignment.py

@@ -50,7 +50,7 @@ def __init__(
         reference: Image,
         name=None,
         verbose=False,
-        discard_tolerance=0.8,
+        discard_tolerance=0.5,
         match_tolerance=5,
     ):
         """Set Image sources to reference sources (from a reference Image)

prose/blocks/catalogs.py

@@ -57,7 +57,7 @@ def __init__(self, name, mode: str = None, limit=10000, **kwargs):
         self.limit = limit
 
         if self.mode == "replace":
-            self.require = ["sources"]
+            self.read = ["sources"]
 
     def get_catalog(self, image):
         raise NotImplementedError()

prose/blocks/photometry.py

@@ -32,6 +32,9 @@ def __init__(self, radii: np.ndarray = None, scale: bool = True, name=None):
             self._radii = radii
         self.scale = scale
 
+        if self.scale:
+            self.read.append("fwhm")
+
     def run(self, image: Image):
         if self.scale:
             radii = np.array(image.fwhm * self._radii)

prose/core/block.py

@@ -59,7 +59,9 @@ def _check_require(self, image):
                 if not image.plate_solved:
                     raise AttributeError(f"Image must have valid WCS")
             if not hasattr(image, _require) and not hasattr(image.computed, _require):
-                raise AttributeError(f"Image must have attribute '{_require}'")
+                raise AttributeError(
+                    f"[{self.__class__.__name__}] Image must have attribute '{_require}'"
+                )
 
     def _run(self, buffer):
         t0 = time()

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "prose"
-version = "3.2.4"
+version = "3.2.5"
 description = "Modular image processing pipelines for Astronomy"
 authors = ["Lionel Garcia"]
 license = "MIT"