Adding unicode constants / objects to satisfy pip installer.

Author: ppisl

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/UnicodeDataModuleBuiltins.java

@@ -47,9 +47,12 @@
 
 import com.oracle.graal.python.builtins.Builtin;
 import com.oracle.graal.python.builtins.CoreFunctions;
+import com.oracle.graal.python.builtins.PythonBuiltinClassType;
 import com.oracle.graal.python.builtins.PythonBuiltins;
+import com.oracle.graal.python.builtins.objects.object.PythonObject;
 import com.oracle.graal.python.builtins.objects.str.PString;
 import com.oracle.graal.python.nodes.function.PythonBuiltinNode;
+import com.oracle.graal.python.runtime.PythonCore;
 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.dsl.Cached;
 import com.oracle.truffle.api.dsl.GenerateNodeFactory;
@@ -63,6 +66,82 @@ protected List<? extends NodeFactory<? extends PythonBuiltinNode>> getNodeFactor
         return UnicodeDataModuleBuiltinsFactory.getFactories();
     }
 
+    public static String getUnicodeVersion() {
+
+        // Preliminary Unicode 11 data obtained from
+        // <https://www.unicode.org/Public/11.0.0/ucd/DerivedAge-11.0.0d13.txt>.
+        if (Character.getType('\u0560') != Character.UNASSIGNED)
+            return "11.0.0";    // 11.0, June 2018.
+
+        if (Character.getType('\u0860') != Character.UNASSIGNED)
+            return "10.0.0";    // 10.0, June 2017.
+
+        if (Character.getType('\u08b6') != Character.UNASSIGNED)
+            return "9.0.0";     // 9.0, June 2016.
+
+        if (Character.getType('\u08b3') != Character.UNASSIGNED)
+            return "8.0.0";     // 8.0, June 2015.
+
+        if (Character.getType('\u037f') != Character.UNASSIGNED)
+            return "7.0.0";     // 7.0, June 2014.
+
+        if (Character.getType('\u061c') != Character.UNASSIGNED)
+            return "6.3.0";     // 6.3, September 2013.
+
+        if (Character.getType('\u20ba') != Character.UNASSIGNED)
+            return "6.2.0";     // 6.2, September 2012.
+
+        if (Character.getType('\u058f') != Character.UNASSIGNED)
+            return "6.1.0";     // 6.1, January 2012.
+
+        if (Character.getType('\u0526') != Character.UNASSIGNED)
+            return "6.0.0";     // 6.0, October 2010.
+
+        if (Character.getType('\u0524') != Character.UNASSIGNED)
+            return "5.2.0";     // 5.2, October 2009.
+
+        if (Character.getType('\u0370') != Character.UNASSIGNED)
+            return "5.1.0";     // 5.1, March 2008.
+
+        if (Character.getType('\u0242') != Character.UNASSIGNED)
+            return "5.0.0";     // 5.0, July 2006.
+
+        if (Character.getType('\u0237') != Character.UNASSIGNED)
+            return "4.1.0";     // 4.1, March 2005.
+
+        if (Character.getType('\u0221') != Character.UNASSIGNED)
+            return "4.0.0";     // 4.0, April 2003.
+
+        if (Character.getType('\u0220') != Character.UNASSIGNED)
+            return "3.2.0";     // 3.2, March 2002.
+
+        if (Character.getType('\u03f4') != Character.UNASSIGNED)
+            return "3.1.0";     // 3.1, March 2001.
+
+        if (Character.getType('\u01f6') != Character.UNASSIGNED)
+            return "3.0.0";     // 3.0, September 1999.
+
+        if (Character.getType('\u20ac') != Character.UNASSIGNED)
+            return "2.1.0";     // 2.1, May 1998.
+
+        if (Character.getType('\u0591') != Character.UNASSIGNED)
+            return "2.0.0";     // 2.0, July 1996.
+
+        if (Character.getType('\u0000') != Character.UNASSIGNED)
+            return "1.1.0";     // 1.1, June 1993.
+
+        return "1.0.0";         // 1.0
+    }
+
+    @Override
+    public void initialize(PythonCore core) {
+        builtinConstants.put("version", getUnicodeVersion());
+        PythonObject ucd_3_2_0 = core.factory().createPythonObject(core.lookupType(PythonBuiltinClassType.PythonObject));
+        ucd_3_2_0.setAttribute("unidata_version", "3.2.0");
+        builtinConstants.put("ucd_3_2_0", ucd_3_2_0); // TODO this is a fake object, just satisfy
+                                                      // pip installer import
+    }
+
     // unicodedata.normalize(form, unistr)
     @Builtin(name = "normalize", fixedNumOfPositionalArgs = 2)
     @GenerateNodeFactory