Fix Libdoc init handling if init only has named-only args.

pekkaklarck · pekkaklarck · commit 1ccac9fc9e53 · 2023-07-15T02:20:31.000+03:00
Fixes #4820.
diff --git a/atest/robot/libdoc/python_library.robot b/atest/robot/libdoc/python_library.robot
@@ -53,10 +53,10 @@ Keyword Names
 
 Keyword Arguments
     Keyword Arguments Should Be      0
-    Keyword Arguments Should Be      1     loglevel=None
+    Keyword Arguments Should Be      1    loglevel=None
 
 Keyword Documentation
-    Keyword Doc Should Start With    0   Closes all open connections
+    Keyword Doc Should Start With    0    Closes all open connections
     Keyword Doc Should Start With    2
     ...    Executes the given ``command`` and reads, logs, and returns everything until the prompt.
     ...
@@ -114,6 +114,11 @@ Documentation set in __init__
     Run Libdoc And Parse Output      ${TESTDATADIR}/DocSetInInit.py
     Doc Should Be                    Doc set in __init__!!
 
+__init__ with only named-only arguments
+    Run Libdoc And Parse Output      ${TESTDATADIR}/InitWithOnlyNamedOnlyArgs.py::b=2
+    Init Arguments Should Be         0    *    a=1    b
+    Init Doc Should Be               0    xxx
+
 Deprecation
     Run Libdoc And Parse Output          ${TESTDATADIR}/Deprecation.py
     Keyword Name Should Be               0    Deprecated
diff --git a/atest/testdata/libdoc/InitWithOnlyNamedOnlyArgs.py b/atest/testdata/libdoc/InitWithOnlyNamedOnlyArgs.py
@@ -0,0 +1,7 @@
+class InitWithOnlyNamedOnlyArgs:
+
+    def __init__(self, *, a=1, b):
+        """xxx"""
+
+    def kw(self):
+        pass
diff --git a/src/robot/libdocpkg/robotbuilder.py b/src/robot/libdocpkg/robotbuilder.py
@@ -61,7 +61,7 @@ def _get_doc(self, lib):
         return lib.doc or f"Documentation for library ``{lib.name}``."
 
     def _get_initializers(self, lib):
-        if lib.init.arguments.maxargs:
+        if lib.init.arguments:
             return [KeywordDocBuilder().build_keyword(lib.init)]
         return []
 
