refactor to enumerate files to be edited, then make the edits

aider/coders/base_coder.py

@@ -728,12 +728,10 @@ class Coder:
     def get_addable_relative_files(self):
         return set(self.get_all_relative_files()) - set(self.get_inchat_relative_files())
 
-    def allowed_to_edit(self, path, write_content=None):
+    def allowed_to_edit(self, path):
         full_path = self.abs_root_path(path)
 
         if full_path in self.abs_fnames:
-            if write_content:
-                self.io.write_text(full_path, write_content)
             return full_path
 
         if not Path(full_path).exists():
@@ -758,18 +756,28 @@ class Coder:
                 if not self.dry_run:
                     self.repo.repo.git.add(full_path)
 
-        if write_content:
-            self.io.write_text(full_path, write_content)
-
         return full_path
 
     apply_update_errors = 0
 
+    def prepare_to_edit(self, edits):
+        res = []
+        for edit in edits:
+            path = edit[0]
+            rest = edit[1:]
+            full_path = self.allowed_to_edit(path)
+            edit = [path, full_path] + list(rest)
+            res.append(edit)
+
+        return res
+
     def apply_updates(self):
         max_apply_update_errors = 3
 
         try:
-            edited = self.update_files()
+            edits = self.get_edits()
+            edits = self.prepare_to_edit(edits)
+            self.apply_edits(edits)
         except ValueError as err:
             err = err.args[0]
             self.apply_update_errors += 1
@@ -795,8 +803,11 @@ class Coder:
 
         self.apply_update_errors = 0
 
-        if edited:
+        # TODO FIXME: make sure
-            for path in sorted(edited):
+        edited = set()
+        for edit in sorted(edits):
+            path = edit[0]
+            edited.add(path)
             if self.dry_run:
                 self.io.tool_output(f"Did not apply edit to {path} (--dry-run)")
             else:

aider/coders/editblock_coder.py

@@ -13,22 +13,20 @@ class EditBlockCoder(Coder):
         self.gpt_prompts = EditBlockPrompts()
         super().__init__(*args, **kwargs)
 
-    def update_files(self):
+    def get_edits(self):
         content = self.partial_response_content
 
         # might raise ValueError for malformed ORIG/UPD blocks
         edits = list(find_original_update_blocks(content))
 
-        edited = set()
+        return edits
-        for path, original, updated in edits:
+
-            full_path = self.allowed_to_edit(path)
+    def apply_edits(self, edits):
-            if not full_path:
+        for path, full_path, original, updated in edits:
-                continue
             content = self.io.read_text(full_path)
             content = do_replace(full_path, content, original, updated)
             if content:
                 self.io.write_text(full_path, content)
-                edited.add(path)
                 continue
             raise ValueError(f"""InvalidEditBlock: edit failed!
 
@@ -42,8 +40,6 @@ The HEAD block needs to be EXACTLY the same as the lines in {path} with nothing
 {original}```
 """)
 
-        return edited
-
 
 def prep(content):
     if content and not content.endswith("\n"):

aider/coders/wholefile_coder.py

@@ -22,11 +22,11 @@ class WholeFileCoder(Coder):
 
     def render_incremental_response(self, final):
         try:
-            return self.update_files(mode="diff")
+            return self.get_edits(mode="diff")
         except ValueError:
             return self.partial_response_content
 
-    def update_files(self, mode="update"):
+    def get_edits(self, mode="update"):
         content = self.partial_response_content
 
         chat_files = self.get_inchat_relative_files()
@@ -104,22 +104,26 @@ class WholeFileCoder(Coder):
         if fname:
             edits.append((fname, fname_source, new_lines))
 
-        edited = set()
+        seen = set()
+        refined_edits = []
         # process from most reliable filename, to least reliable
         for source in ("block", "saw", "chat"):
             for fname, fname_source, new_lines in edits:
                 if fname_source != source:
                     continue
                 # if a higher priority source already edited the file, skip
-                if fname in edited:
+                if fname in seen:
                     continue
 
-                # we have a winner
+                seen.add(fname)
-                new_lines = "".join(new_lines)
+                refined_edits.append((fname, fname_source, new_lines))
-                if self.allowed_to_edit(fname, new_lines):
-                    edited.add(fname)
 
-        return edited
+        return refined_edits
+
+    def apply_edits(self, edits):
+        for path, full_path, fname_source, new_lines in edits:
+            new_lines = "".join(new_lines)
+            self.io.write_text(full_path, new_lines)
 
     def do_live_diff(self, full_path, new_lines, final):
         if full_path.exists():