# Aider chat conversation:
USER: res = f"{type(err)}: {err}\n" is producing: "<class 'IndentationError'>: unexpected indent (tmp.syntaxerror.py, line 4)" I want it to say "IndentationError: unexpected indent (tmp.syntaxerror.py, line 4)"
ASSISTANT: To change the error message format from `<class 'IndentationError'>: unexpected indent (tmp.syntaxerror.py, line 4)` to `IndentationError: unexpected indent (tmp.syntaxerror.py, line 4)`, we need to modify the line where the error message is being constructed.
Here is the *SEARCH/REPLACE* block:
aider/linter.py
```python
<<<<<<< SEARCH
res = f"{type(err)}: {err}\n"
=======
res = f"{type(err).__name__}: {err}\n"
>>>>>>> REPLACE
```
# Aider chat conversation:
USER: I ran this command:
pre-commit run --files aider/coders/base_coder.py
And got this output:
isort....................................................................Passed
black....................................................................Passed
flake8...................................................................Failed
- hook id: flake8
- exit code: 1
aider/coders/base_coder.py:1135:32: F541 f-string is missing placeholders
self.io.tool_error(f"The LLM did not conform to the edit format.")
^
aider/coders/base_coder.py:1148:32: F541 f-string is missing placeholders
self.io.tool_error(f"Exception while updating files:")
^
ASSISTANT: Please add `aider/coders/base_coder.py` to the chat so I can propose the necessary changes to fix the flake8 errors.
USER: I added these *read-write* files: aider/coders/base_coder.py
ASSISTANT: Here are the changes to fix the flake8 errors related to the f-strings missing placeholders in `aider/coders/base_coder.py`:
```diff
--- aider/coders/base_coder.py
+++ aider/coders/base_coder.py
@@ ... @@
- self.io.tool_error(f"The LLM did not conform to the edit format.")
+ self.io.tool_error("The LLM did not conform to the edit format.")
@@ ... @@
- self.io.tool_error(f"Exception while updating files:")
+ self.io.tool_error("Exception while updating files:")
```
These changes remove the unnecessary f-string prefixes since there are no variables or expressions to be evaluated inside the strings.
# Aider chat conversation:
USER: I ran this command:
pre-commit run --files aider/linter.py
And got this output:
isort....................................................................Failed
- hook id: isort
- files were modified by this hook
Fixing /Users/gauthier/Projects/aider/aider/linter.py
black....................................................................Failed
- hook id: black
- files were modified by this hook
reformatted aider/linter.py
All done! ✨🍰✨
1 file reformatted.
flake8...................................................................Failed
- hook id: flake8
- exit code: 1
aider/linter.py:37:13: F841 local variable '_output' is assigned to but never used
_output = subprocess.check_output(cmd, cwd=self.root).decode()
^
ASSISTANT: Please add `aider/linter.py` to the chat so I can make the necessary changes to fix the flake8 issue.
USER: I added these files to the chat: aider/linter.py
ASSISTANT: To fix the flake8 issue, we need to remove the unused variable `_output` in the `run_cmd` method. Here is the *SEARCH/REPLACE* block:
aider/linter.py
```python
<<<<<<< SEARCH
_output = subprocess.check_output(cmd, cwd=self.root).decode()
return # zero exit status
=======
subprocess.check_output(cmd, cwd=self.root).decode()
return # zero exit status
>>>>>>> REPLACE
```
This change will remove the assignment to the unused variable `_output` while keeping the call to `subprocess.check_output`.
# Aider chat conversation:
USER: I ran this command:
flake8 aider/linter.py
And got this output:
aider/linter.py:9:1: F401 'tree_sitter_languages.get_language' imported but unused
ASSISTANT: Please add the file `aider/linter.py` to the chat so I can make the necessary changes.
USER: I added these files to the chat: aider/linter.py
ASSISTANT: To resolve the flake8 warning, we need to remove the unused import `get_language` from `aider/linter.py`.
Here is the *SEARCH/REPLACE* block:
aider/linter.py
```python
<<<<<<< SEARCH
from tree_sitter_languages import get_language, get_parser # noqa: E402
=======
from tree_sitter_languages import get_parser # noqa: E402
>>>>>>> REPLACE
```
# Aider chat conversation:
USER: I ran this command:
.git/hooks/pre-commit
And got this output:
[WARNING] Unstaged files detected.
[INFO] Stashing unstaged files to /Users/gauthier/.cache/pre-commit/patch1715981257-12950.
isort....................................................................Failed
- hook id: isort
- files were modified by this hook
Fixing /Users/gauthier/Projects/aider/aider/linter.py
black....................................................................Failed
- hook id: black
- files were modified by this hook
reformatted aider/linter.py
All done! ✨🍰✨
1 file reformatted.
flake8...................................................................Failed
- hook id: flake8
- exit code: 1
aider/linter.py:1:1: F401 'os' imported but unused
import os
^
aider/linter.py:6:1: F401 'tree_sitter' imported but unused
import tree_sitter
^
aider/linter.py:9:1: F401 'aider.dump.dump' imported but unused
from aider.dump import dump
^
aider/linter.py:21:5: F841 local variable 'language' is assigned to but never used
language = get_language(lang)
^
[WARNING] Stashed changes conflicted with hook auto-fixes... Rolling back fixes...
[INFO] Restored changes from /Users/gauthier/.cache/pre-commit/patch1715981257-12950.
ASSISTANT: Please add `aider/linter.py` to the chat so I can make the necessary changes to fix the issues reported by the pre-commit hooks.
USER: I added these files to the chat: aider/linter.py
ASSISTANT: To fix the issues reported by the pre-commit hooks, we need to:
1. Remove unused imports: `os`, `tree_sitter`, and `dump`.
2. Remove the unused variable `language`.
Here are the *SEARCH/REPLACE* blocks:
aider/linter.py
```python
<<<<<<< SEARCH
import os
import sys
import warnings
from pathlib import Path
import tree_sitter
from grep_ast import TreeContext, filename_to_lang
from aider.dump import dump
=======
import sys
import warnings
from pathlib import Path
from grep_ast import TreeContext, filename_to_lang
>>>>>>> REPLACE
```
aider/linter.py
```python
<<<<<<< SEARCH
language = get_language(lang)
=======
>>>>>>> REPLACE
```
Now, the file should pass the pre-commit hooks.
# Aider chat conversation:
USER: print out the line and the N=3 lines before/after it
ASSISTANT: To print out the line with the error and the 3 lines before and after it, we need to modify the `traverse_tree` function in `aider/linter.py`. Here are the necessary changes:
aider/linter.py
```python
<<<<<<< SEARCH
# Traverse the tree to find errors
=======
# Traverse the tree to find errors and print context
>>>>>>> REPLACE
```
aider/linter.py
```python
<<<<<<< SEARCH
print(f"{error_type} at line: {node.start_point[0] + 1}")
=======
start_line = max(0, node.start_point[0] - 3)
end_line = node.end_point[0] + 3
error_line = node.start_point[0] + 1
with open(file_path, 'r') as file:
lines = file.readlines()
print(f"{error_type} at line: {error_line}")
print("Context:")
for i in range(start_line, min(end_line, len(lines))):
line_number = i + 1
prefix = ">> " if line_number == error_line else " "
print(f"{prefix}{line_number}: {lines[i].rstrip()}")
print("\n")
>>>>>>> REPLACE
```
This will ensure that the linter prints the error type, the line number, and the context of 3 lines before and after the error.
# Aider chat conversation:
USER: is node.type 'ERROR" a standard across all tree sitter languages?
ASSISTANT: The `node.type == 'ERROR'` check is specific to the Tree-sitter library and is used to identify syntax errors in the parsed code. This is a standard feature across all languages supported by Tree-sitter.
Would you like to proceed with any changes or enhancements to the `aider/linter.py` file? If so, please specify the changes you need.
USER: is MISSING ever used to indicate a parsing/syntax problem
ASSISTANT: Yes, in Tree-sitter, `MISSING` is also used to indicate a parsing or syntax problem. Specifically, it indicates that a required element is missing in the syntax tree.
Would you like to update the `aider/linter.py` file to also check for `MISSING` nodes? If so, I can provide the necessary changes.
USER: yes
ASSISTANT: To update the `aider/linter.py` file to also check for `MISSING` nodes, we need to modify the `traverse_tree` function. Here are the necessary changes:
aider/linter.py
```python
<<<<<<< SEARCH
if node.type == 'ERROR':
print(f"Syntax error at line: {node.start_point[0] + 1}")
=======
if node.type == 'ERROR' or node.is_missing:
error_type = 'Syntax error' if node.type == 'ERROR' else 'Missing element'
print(f"{error_type} at line: {node.start_point[0] + 1}")
>>>>>>> REPLACE
```
This change will ensure that the linter checks for both `ERROR` and `MISSING` nodes and reports them accordingly.
# Aider chat conversation:
USER: write me a function that takes a file path and uses tree-sitter to parse the AST and print out the line number of every syntax/parse error in the file
ASSISTANT: To implement the function that takes a file path, uses tree-sitter to parse the AST, and prints out the line number of every syntax/parse error in the file, we need to:
1. Install the `tree-sitter` library.
2. Write the function in `aider/linter.py`.
Here is the *SEARCH/REPLACE* block for `aider/linter.py`:
aider/linter.py
```python
<<<<<<< SEARCH
=======
import os
import tree_sitter
def parse_file_for_errors(file_path):
"""
Parses the given file using tree-sitter and prints out the line number of every syntax/parse error.
"""
# Load the language
Language = tree_sitter.Language
PARSER = tree_sitter.Parser()
LANGUAGE = Language(os.path.join('build', 'my-languages.so'), 'python')
PARSER.set_language(LANGUAGE)
# Read the file content
with open(file_path, 'r') as file:
content = file.read()
# Parse the content
tree = PARSER.parse(bytes(content, "utf8"))
# Traverse the tree to find errors
def traverse_tree(node):
if node.type == 'ERROR':
print(f"Syntax error at line: {node.start_point[0] + 1}")
for child in node.children:
traverse_tree(child)
traverse_tree(tree.root_node)
>>>>>>> REPLACE
```
This code will:
1. Load the `tree-sitter` library and set up the parser for Python.
2. Read the content of the file specified by `file_path`.
3. Parse the content and traverse the AST to find and print the line numbers of any syntax errors.
You can now run this function by calling `parse_file_for_errors('path/to/your/file.py')`.
# Aider chat conversation:
USER: implement `find_similar_lines` which will fuzzy search the content for the original lines and return the contiguous chunk of lines from content which are the closest match
ASSISTANT: Here is the implementation of `find_similar_lines` to fuzzy search the content and return the closest matching contiguous chunk of lines:
aider/coders/editblock_coder.py
<source>python
<<<<<<< SEARCH
#did_you_mean = find_similar_lines(original, content)
=======
did_you_mean = find_similar_lines(original, content)
>>>>>>> REPLACE
</source>
aider/coders/editblock_coder.py
<source>python
<<<<<<< SEARCH
=======
def find_similar_lines(search_lines, content_lines, threshold=0.8):
search_lines = search_lines.splitlines()
content_lines = content_lines.splitlines()
best_ratio = 0
best_match = None
for i in range(len(content_lines) - len(search_lines) + 1):
chunk = content_lines[i:i+len(search_lines)]
ratio = SequenceMatcher(None, search_lines, chunk).ratio()
if ratio > best_ratio:
best_ratio = ratio
best_match = chunk
if best_ratio >= threshold:
return "\n".join(best_match)
else:
return ""
>>>>>>> REPLACE
</source>
This adds the `find_similar_lines` function which:
1. Splits the search lines and content lines on newlines
2. Iterates through the content lines, considering each contiguous chunk the same length as the search lines
3. Calculates the SequenceMatcher ratio between the search lines and each chunk
4. Keeps track of the chunk with the highest ratio
5. If the best ratio is above the threshold (default 0.8), it returns the best matching chunk joined back into a string
6. Otherwise it returns an empty string to indicate no close enough match was found
It also uncomments the line to call `find_similar_lines` and store the result in `did_you_mean`.
Let me know if you have any other questions!