WIP: resolve nested properties

update-poms.py

@@ -37,6 +37,8 @@ class TooManyRequestsException(Exception):
 
 class PackagePOM:
     def __init__(self, package: 'Package', pom: str):
+        self._package = package
+
         logger.debug(f'{package}: Parsing POM')
         self.raw_root = ET.fromstring(pom)
 
@@ -125,27 +127,41 @@ class PackagePOM:
         else:
             return None
 
-    def _package_from_xml_dep(self, dep: ET.Element):
-        def prop_replace(match):
+    def _package_from_xml_dep(self, dep: ET.Element) -> 'Package':
+        def lookup_prop(match) -> str:
             prop = match.group(1)
-            value = self.get_property(match.group(1))
-            logger.debug(f'Replacing property {prop} with {value}')
+
+            if prop == 'project.groupId':
+                value = str(self._package.groupId)
+            elif prop == 'project.artifactId':
+                value = str(self._package.artifactId)
+            elif prop == 'project.version':
+                value = str(self._package.version)
+            else:
+                value = self.get_property(prop)
+                logger.debug(f'{self._package}: Trying to recurse prop {value}')
+                value = prop_replace(value)
+
+            logger.debug(f'{self._package}: Replacing property {prop} with {value}')
             return value
 
-        return Package(
-            *[
-                re.sub(
-                    r'\$\{([^\}]*)\}',
-                    prop_replace,
-                    elem.text or '' if (elem := dep.find(tag, ns)) is not None else '',
-                )
+        def prop_replace(text) -> str:
+            logger.debug(f'{self._package}: Getting prop {text}')
+            return re.sub(
+                r'\$\{([^\}]*)\}',
+                lookup_prop,
+                text,
+            )
 
-                for tag in [
-                    'groupId',
-                    'artifactId',
-                    'version',
-                ]
-            ]
+        def prop_replace_tag(tag) -> str:
+            return prop_replace(
+                elem.text or '' if (elem := dep.find(tag, ns)) is not None else '',
+            )
+
+        return Package(
+            groupId=prop_replace_tag('groupId'),
+            artifactId=prop_replace_tag('artifactId'),
+            version=prop_replace_tag('version'),
         )
 
     @property