This release is a pre-release and may not be stable for production use.
sftpovw: safer overwrite file over sftp
protect against corruption:
- old file: data lost if overwrite fails
- new file: partial write may leave corrupt/incomplete file
- readers: processes opening the file may observe unspecified/intermediate data
when PUT localfile to remotefile,
safe level 0
protect nothing
- just put localfile to remotefile
safe level 1
protect readers
- unlink remotefile
- put localfile to remotefile
safe level 2
protect old file and readers
- rename remotefile to tmpfile
- put localfile to remotefile
- unlink tmpfile
safe level 3
protect new file, old file, and readers
- put localfile to tmpfile
- rename tmpfile to remotefile
safe level 4
protect new file, old file, and readers
usually this level is unnecessary. should only be used if your rename is not atomic.
- put localfile to tmpfile1
- rename remotefile to tmpfile2
- rename tmpfile1 to remotefile
- unlink tmpfile2
1 maintainer
Metadata
1 maintainer
Release files for sftpovw 0.1.dev1
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Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| sftpovw-0.1.dev1-py3-none-any.whl | Python 3 | none | any | Details for sftpovw-0.1.dev1-py3-none-any.whl |
Release files / sftpovw-0.1.dev1-py3-none-any.whl
| Download URL | sftpovw-0.1.dev1-py3-none-any.whl |
|---|---|
| Size | 6.8 kB |
| Tags | Python 3 |
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SHA-256 checksum How to use checksums |
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twine/6.2.0 CPython/3.14.0
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