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from typing import Dict, List
from filesystem.filesystem import FileSystem
class VirtualFileSystem(FileSystem):
"""A simulated filesystem from a mapping of filepath to file contents."""
files: Dict[str, str]
def __init__(self, files: Dict[str, str]):
self.files = files
def read(self, path) -> str:
return self.files[path]
def readlines(self, path) -> List[str]:
return self.files[path].splitlines()
def write(self, path, content):
self.files[path] = content
def exists(self, path) -> bool:
return path in self.files
def rename_file(self, filepath: str, new_filepath: str):
self.files[new_filepath] = self.files[filepath]
del self.files[filepath]
def rename_directory(self, path: str, new_path: str):
for filepath in self.files:
if filepath.startswith(path):
new_filepath = new_path + filepath[len(path):]
self.files[new_filepath] = self.files[filepath]
del self.files[filepath]
def delete_file(self, filepath: str):
del self.files[filepath]
def add_directory(self, path: str):
pass
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