class MemoryFileSystem(BaseFileSystem):
scheme = "local"
PARAM_CHECKSUM = "md5"
def __init__(self, **kwargs):
from fsspec.implementations.memory import MemoryFileSystem as MemFS
super().__init__(**kwargs)
self.fs = MemFS()
def exists(self, path_info) -> bool:
return self.fs.exists(path_info.fspath)
def open(self, path_info, mode="r", encoding=None, **kwargs):
return self.fs.open(path_info.fspath,
mode=mode,
encoding=encoding,
**kwargs)
def info(self, path_info):
return self.fs.info(path_info.fspath)
def stat(self, path_info):
import os
info = self.fs.info(path_info.fspath)
return os.stat_result((0, 0, 0, 0, 0, 0, info["size"], 0, 0, 0))
def walk_files(self, path_info, **kwargs):
raise NotImplementedError
def test_move():
fs = MemoryFileSystem()
with fs.open("/myfile", "wb") as f:
f.write(b"I had a nice big cabbage")
fs.move("/myfile", "/otherfile")
assert not fs.exists("/myfile")
assert fs.info("/otherfile")
assert isinstance(fs.ukey("/otherfile"), str)
def test_move():
fs = MemoryFileSystem()
with fs.open('/myfile', 'wb') as f:
f.write(b'I had a nice big cabbage')
fs.move('/myfile', '/otherfile')
assert not fs.exists('/myfile')
assert fs.info('/otherfile')
assert isinstance(fs.ukey('/otherfile'), str)
