68 lines
2.1 KiB
Python
Executable File
68 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# args_json: {"type":"object","required":["path","content"],"properties":{"path":{"type":"string","description":"Absolute path to create or overwrite"},"content":{"type":"string","description":"File content to write"}}}
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# ollie:prompt
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# ## file_write
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#
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# Create or overwrite a file. Produces a unified diff.
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#
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# **Args**: `[path, content]`
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#
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# ```
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# file_write(path="/abs/path", content="file content here")
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# ```
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#
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# **Constraints**: Absolute paths only. Parent directory must exist.
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# ollie:end
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import sys
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import os
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import difflib
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from _lib.args import parse_args
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def format_diff(path, old, new):
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old_lines = old.splitlines(keepends=True)
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new_lines = new.splitlines(keepends=True)
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return ''.join(difflib.unified_diff(old_lines, new_lines, fromfile=path, tofile=path))
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args = parse_args()
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file_path = args.require("path")
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content = args.require("content")
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if not os.path.isabs(file_path):
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print(f"STATUS=error STATE_CHANGED=false RETRYABLE=false")
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print(f"error: path must be absolute, got: {file_path}")
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sys.exit(1)
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parent = os.path.dirname(file_path)
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if parent and not os.path.isdir(parent):
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print(f"STATUS=error STATE_CHANGED=false RETRYABLE=false")
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print(f"error: parent directory does not exist: {parent}")
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sys.exit(1)
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old_content = ""
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if os.path.exists(file_path):
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try:
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with open(file_path, 'r', encoding='utf-8') as f:
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old_content = f.read()
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except UnicodeDecodeError:
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with open(file_path, 'r', encoding='utf-8', errors='replace') as f:
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old_content = f.read()
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try:
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with open(file_path, 'w', encoding='utf-8') as f:
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f.write(content)
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except OSError as e:
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print(f"STATUS=error STATE_CHANGED=false RETRYABLE=false")
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print(f"error: {e}")
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sys.exit(1)
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diff = format_diff(file_path, old_content, content)
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if not diff:
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print("STATUS=no_change STATE_CHANGED=false RETRYABLE=false")
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print("(no changes)")
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else:
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print("STATUS=done STATE_CHANGED=true")
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print(diff, end="" if diff.endswith("\n") else "\n")
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