Implement CreateCommand

Author: elifarley

src/cedarscript_editor/cedarscript_editor.py

@@ -3,7 +3,7 @@
 from pathlib import Path
 
 from cedarscript_ast_parser import Command, RmFileCommand, MvFileCommand, UpdateCommand, \
-    SelectCommand, IdentifierFromFile, Segment, Marker, MoveClause, DeleteClause, \
+    SelectCommand, CreateCommand, IdentifierFromFile, Segment, Marker, MoveClause, DeleteClause, \
     InsertClause, ReplaceClause, EditingAction, BodyOrWhole, RegionClause, MarkerType
 from cedarscript_ast_parser.cedarscript_ast_parser import MarkerCompatible, RelativeMarker, \
     RelativePositionType
@@ -78,8 +78,8 @@ def apply_commands(self, commands: Sequence[Command]):
                 match command:
                     case UpdateCommand() as cmd:
                         result.append(self._update_command(cmd))
-                    # case CreateCommand() as cmd:
-                    #     result.append(self._create_command(cmd))
+                    case CreateCommand() as cmd:
+                        result.append(self._create_command(cmd))
                     case RmFileCommand() as cmd:
                         result.append(self._rm_command(cmd))
                     case MvFileCommand():
@@ -255,14 +255,33 @@ def _rm_command(self, cmd: RmFileCommand):
     def _delete_function(self, cmd):  # TODO
         file_path = os.path.join(self.root_path, cmd.file_path)
 
-        def _create_command(self, cmd: CreateCommand):
-            file_path = os.path.join(self.root_path, cmd.file_path)
+    def _create_command(self, cmd: CreateCommand) -> str:
+        """Handle the CREATE command to create new files with content.
+        
+        Args:
+            cmd: The CreateCommand instance containing file_path and content
             
-            os.makedirs(os.path.dirname(file_path), exist_ok=True)
-            with open(file_path, 'w') as file:
-                file.write(cmd.content)
+        Returns:
+            str: A message describing the result
             
-            return f"Created file: {cmd.file_path}"
+        Raises:
+            ValueError: If the file already exists
+        """
+        file_path = os.path.join(self.root_path, cmd.file_path)
+        
+        if os.path.exists(file_path):
+            raise ValueError(f"File already exists: {cmd.file_path}")
+            
+        os.makedirs(os.path.dirname(file_path), exist_ok=True)
+        
+        content = cmd.content
+        if isinstance(content, (list, tuple)):
+            content = '\n'.join(content)
+            
+        # Process relative indentation in content
+        write_file(file_path, IndentationInfo.default().apply_relative_indents(content))
+        
+        return f"Created file: {cmd.file_path}"
 
 
 def find_index_range_for_region(region: BodyOrWhole | Marker | Segment | RelativeMarker,

src/text_manipulation/indentation_kit.py

@@ -106,6 +106,10 @@ class IndentationInfo(NamedTuple):
     consistency: bool = True
     message: str | None = None
 
+    @classmethod
+    def default(cls) -> 'IndentationInfo':
+        return cls(4, ' ', 0)
+
     @classmethod
     def from_content(cls, content: str | Sequence[str]) -> 'IndentationInfo':
         """

tests/corpus/create/chat.xml

@@ -0,0 +1,18 @@
+<no-train>
+```CEDARScript
+CREATE FILE "1.py"
+WITH CONTENT '''
+@0:def calculate_sum(a, b):
+@1:"""Calculate sum of two numbers.
+@0:
+@1:Args:
+@2:a: First number
+@2:b: Second number
+@0:
+@1:Returns:
+@2:Sum of a and b
+@1:"""
+@1:return a + b
+''';
+```
+</no-train>

tests/corpus/create/expected.1.py

@@ -0,0 +1,11 @@
+def calculate_sum(a, b):
+    """Calculate sum of two numbers.
+
+    Args:
+        a: First number
+        b: Second number
+
+    Returns:
+        Sum of a and b
+    """
+    return a + b