0.2.9 (#118)

* ✨ Allow `requires` to be set by `__setattr__()`

* 🔖 0.2.9

.gitignore

@@ -112,3 +112,4 @@ poetry.lock
 t-*.ipynb
 *-output/
 *_results/
+t.py

docs/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.2.9
+
+- ✨ Allow `requires` to be set by `__setattr__()`
+
 ## 0.2.8
 
 - 🩹 Forward fill na for input data

pipen/proc.py

@@ -65,6 +65,11 @@ def __repr__(cls) -> str:
         """Representation for the Proc subclasses"""
         return f"<Proc:{cls.name}>"
 
+    def __setattr__(cls, name: str, value: Any) -> None:
+        if name == "requires":
+            value = cls._compute_requires(value)
+        return super().__setattr__(name, value)
+
     def __call__(cls, *args: Any, **kwds: Any) -> "Proc":
         """Make sure Proc subclasses are singletons
 
@@ -274,7 +279,9 @@ def __init_subclass__(cls) -> None:
         """Do the requirements inferring since we need them to build up the
         process relationship
         """
-        cls.requires = cls._compute_requires()
+        # cls.requires = cls._compute_requires()
+        # triggers cls.__setattr__() to compute requires
+        cls.requires = cls.requires
         if cls.name is None or cls.name == cls.__bases__[0].name:
             cls.name = cls.__name__
         if cls.__doc__ is None:

pipen/version.py

@@ -1,3 +1,3 @@
 """Provide version of pipen"""
 
-__version__ = "0.2.8"
+__version__ = "0.2.9"

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.poetry]
 name = "pipen"
-version = "0.2.8"
+version = "0.2.9"
 description = "A pipeline framework for python"
 authors = [ "pwwang <[email protected]>",]
 license = "MIT"