Add major language support, update boolean_attributes, and add dynamic attribute tests

Author: HasTheDev

src/typecode/contenttype.py

@@ -205,6 +205,12 @@ class Type(object):
         "is_filesystem",
         "is_java_class",
         "is_java_source",
+        "is_julia_source",
+        "is_python_source",
+        "is_javascript_source",
+        "is_cpp_source",
+        "is_rust_source",
+        "is_go_source",
         "is_media",
         "is_media_with_meta",
         "is_office_doc",
@@ -743,7 +749,17 @@ def is_source(self):
             return False
 
         # Recognize "known-by-extension" source types
-        elif self.is_java_source or self.is_c_source or self.is_julia_source:
+        elif (
+            self.is_java_source or 
+            self.is_c_source or 
+            self.is_julia_source or
+            self.is_python_source or
+            self.is_javascript_source or
+            self.is_cpp_source or
+            self.is_rust_source or
+            self.is_go_source
+        
+        ):
             return True
 
         elif self.filetype_pygment or self.is_script is True:
@@ -772,6 +788,26 @@ def is_julia_source(self):
         """
         return self.is_file and self.location.lower().endswith(".jl")
 
+    @property
+    def is_python_source(self):
+        return self.is_file and self.file_name.lower().endswith(('.py', '.pyw'))
+
+    @property
+    def is_javascript_source(self):
+        return self.is_file and self.file_name.lower().endswith(('.js', '.mjs'))
+
+    @property
+    def is_cpp_source(self):
+        return self.is_file and self.file_name.lower().endswith(('.cpp', '.cc', '.cxx', '.hpp'))
+
+    @property
+    def is_rust_source(self):
+        return self.is_file and self.file_name.lower().endswith('.rs')
+
+    @property
+    def is_go_source(self):
+        return self.is_file and self.file_name.lower().endswith('.go')
+
     @property
     def is_c_source(self):
         C_EXTENSIONS = set(

tests/test_contenttype.py

@@ -418,3 +418,23 @@ def test_size(self):
         test_dir = self.get_test_loc("contenttype/size")
         result = size(test_dir)
         assert result == 18
+
+    def test_contenttype_language_attributes_exist(self):
+        from typecode.contenttype import get_type
+        
+        # Get a Type object to test against using a dummy file extension
+        test_type = get_type('dummy.txt')
+
+        expected_language_attributes = [
+            'is_c_source',
+            'is_java_source',
+            'is_julia_source',
+            'is_python_source',
+            'is_javascript_source',
+            'is_cpp_source',
+            'is_rust_source',
+            'is_go_source'
+        ]
+
+        for attr_name in expected_language_attributes:
+            assert hasattr(test_type, attr_name), f"ContentType is missing the expected attribute: {attr_name}"