WIP

requirements.txt

@@ -1,3 +1,4 @@
 twine==3.1.1
 pbr==5.4.5
 jinja2>=2.11
+pyyaml>=5.3.1

src/rkd/context.py

@@ -9,6 +9,7 @@
 from .argparsing import CommandlineParsingHelper
 from .inputoutput import SystemIO, LEVEL_INFO as LOG_LEVEL_INFO
 from .exception import TaskNotFoundException
+from .yaml_context import YamlContextFactory
 
 
 CURRENT_SCRIPT_PATH = os.path.dirname(os.path.realpath(__file__))
@@ -115,11 +116,34 @@ class ContextFactory:
     Takes responsibility of loading all tasks defined in USER PROJECT, USER HOME and GLOBALLY
     """
 
-    @staticmethod
-    def _load_context_from_directory(path: str) -> Context:
+    def _load_context_from_directory(self, path: str) -> Context:
         if not os.path.isdir(path):
             raise Exception('Path "%s" font found' % path)
 
+        ctx = Context([], [])
+        contexts = []
+
+        if os.path.isfile(path + '/makefile.py'):
+            contexts.append(self._load_from_py(path))
+
+        if os.path.isfile(path + '/makefile.yaml'):
+            contexts.append(self._load_from_yaml(path))
+
+        if not contexts:
+            raise Exception('The directory "%s" should contain at least makefile.py or makfile.yaml' % path)
+
+        for subctx in contexts:
+            ctx = Context.merge(ctx, subctx)
+
+        return ctx
+
+    def _load_from_yaml(self, path: str) -> Context:
+        makefile_path = path + '/makefile.yaml'
+
+        with open(makefile_path, 'rb') as handle:
+            return YamlContextFactory().parse(handle.read().decode('utf-8'))
+
+    def _load_from_py(self, path: str):
         makefile_path = path + '/makefile.py'
 
         if not os.path.isfile(makefile_path):

src/rkd/exception.py

@@ -27,3 +27,6 @@ class UserInputException(Exception):
 class NotSupportedEnvVariableError(UserInputException):
     pass
 
+
+class YamlParsingException(ContextException):
+    pass

src/rkd/yaml_context.py

@@ -0,0 +1,33 @@
+
+import yaml
+from typing import List
+from .exception import YamlParsingException
+from .inputoutput import SystemIO
+from .context import Context
+from .syntax import TaskDeclaration
+
+
+class YamlContextFactory:
+    io: SystemIO
+
+    def __init__(self, io: SystemIO):
+        self.io = io
+
+    def parse(self, content: str):
+        parsed = yaml.parse(content)
+
+        if "imports" in parsed:
+            imports = self._parse_imports(parsed['imports'])
+
+        if "tasks" not in parsed:
+            raise YamlParsingException('"tasks" section not found in YAML file')
+
+    def _parse_imports(self, classes: List[str]) -> List[TaskDeclaration]:
+        parsed = []
+
+        for importstr in classes:
+            parts = importstr.split('.')
+            classname = parts[-1]
+            import_path = parts[:-1]
+
+