[WIP] Revised version of R 'transpiler' with support for generator methods

dash/development/_all_keywords.py

@@ -3,42 +3,23 @@
 # >>> import keyword
 # >>> keyword.kwlist
 
-kwlist = set([
-    'and',
-    'elif',
-    'is',
-    'global',
-    'as',
-    'in',
-    'if',
-    'from',
-    'raise',
-    'for',
-    'except',
-    'nonlocal',
-    'pass',
-    'finally',
-    'print',
-    'import',
-    'True',
-    'None',
-    'return',
-    'exec',
-    'await',
-    'else',
-    'break',
-    'not',
-    'with',
-    'class',
-    'assert',
-    'False',
-    'yield',
-    'try',
-    'while',
-    'continue',
-    'del',
-    'async',
-    'or',
-    'def',
-    'lambda'
-])
+python_keywords = {
+    'and', 'elif', 'is', 'global', 'as', 'in', 'if', 'from', 'raise', 'for',
+    'except', 'nonlocal', 'pass', 'finally', 'print', 'import', 'True', 'None',
+    'return', 'exec', 'await', 'else', 'break', 'not', 'with', 'class',
+    'assert', 'False', 'yield', 'try', 'while', 'continue', 'del', 'async',
+    'or', 'def', 'lambda'
+}
+
+# This is a set of R reserved words that cannot be used as function
+# argument names.
+#
+# Reserved words can be obtained from R's help pages by executing the
+# statement below:
+# > ?reserved
+
+r_keywords = {
+    'if', 'else', 'repeat', 'while', 'function', 'for', 'in', 'next', 'break',
+    'TRUE', 'FALSE', 'NULL', 'Inf', 'NaN', 'NA', 'NA_integer_', 'NA_real_',
+    'NA_complex_', 'NA_character_', '...'
+}

dash/development/_py_components_generation.py

@@ -3,7 +3,7 @@
 import os
 
 from dash.development.base_component import _explicitize_args
-from ._all_keywords import kwlist
+from ._all_keywords import python_keywords
 from .base_component import Component
 
 
@@ -121,7 +121,7 @@ def __repr__(self):
           '{:s}=Component.UNDEFINED'.format(p))
          for p in prop_keys
          if not p.endswith("-*") and
-         p not in kwlist and
+         p not in python_keywords and
          p not in ['dashEvents', 'fireEvent', 'setProps']] + ['**kwargs']
     )