`writer-cm` is a context manager allowing you to atomically write files given a file path.
Project description
writer-cm
is a context manager allowing you to atomically write files given a
file path.
Features
- Cross-platform atomic file writes powered by python-atomicwrites.
- Interface using a file path instead of a file handle, for more compatibility
with external libraries (e.g.
pandas.to_pickle
). - Automatically create missing directories and set their permissions.
- Automatically set the file permissions.
Installation
pip install writer-cm
Usage
from writer_cm import writer_cm
with writer_cm("file.txt") as temp:
with open(temp, mode="w") as fh:
fh.write("foo")
with open("file.txt") as fh:
assert fh.read() == "foo"
Pass overwrite=True
to overwrite an already existing file; an error is thrown otherwise:
with writer_cm("file.txt", overwrite=True) as temp:
with open(temp, mode="w") as fh:
fh.write("bar")
with open("file.txt") as fh:
assert fh.read() == "bar"
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