pytest-sftpserver
py.test plugin to locally test sftp server connections.
Decision gist · record as of 2026-08-14
Yes, if you need to test SFTP client code and want to avoid external server setup. The low install friction, permissive license, and zero known vulnerabilities make it a straightforward choice. However, note that the package is dormant (last release 2019) and classifiers indicate support only through Python 3.7—verify compatibility with your target Python version before adopting.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low install friction with only two runtime dependencies (paramiko and six).
- The package is dormant—last release was 2019-09-16 and last commit 2024-03-20—so maintenance is minimal but the codebase remains archived and functional.
License · maintenance · safety
MIT License (permissive) — MIT License (permissive) means you can use, modify, and distribute this package freely in both open-source and commercial projects with minimal restrictions.
last release 2019-09-16 (2524 days) · last repo commit 2024-03-20 · 39 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,067,149 downloads/mo, #4,411 on PyPI
Alternatives
Verify before relying
pip install pytest-sftpserver
import pytest
from pytest_sftpserver import sftpserver
def test_sftp_fetch(sftpserver):
with sftpserver.serve_content({'a_dir': {'somefile.txt': 'File content'}}):
# Test your SFTP client code here
pass- Whether the package works with Python versions beyond 3.7 (classifiers list only 2.7, 3.5–3.7, but last commit is 2024)
- Whether paramiko and six versions have known compatibility issues with modern Python environments
What it is and what it does
pytest-sftpserver is a pytest plugin that injects an SFTP server fixture into your tests. Rather than serving files from disk, it serves content directly from Python objects—dictionaries representing directory structures and file contents. This lets you test SFTP client code (code that connects to and downloads from SFTP servers) without spinning up a real external server or managing temporary files.
The plugin depends on paramiko for SFTP protocol handling and six for Python 2/3 compatibility. It's designed for unit and integration testing of SFTP client functions. The package has been dormant since 2019 but remains functional; it targets Python 2.7 and 3.5–3.7 according to its classifiers.
Use it for
- Unit test an SFTP client function by mocking server responses with in-memory file structures instead of real files.
- Integration test a data pipeline that fetches files from SFTP without requiring a live SFTP server in CI/CD.
- Test error handling in SFTP client code by simulating missing files or permission issues via the mock server.
- Verify SFTP connection logic and authentication flows in isolation without external infrastructure.
- Test directory traversal and recursive file operations against a controlled mock SFTP environment.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need to test SFTP client code and want to avoid external server setup.
The low install friction, permissive license, and zero known vulnerabilities make it a straightforward choice. However, note that the package is dormant (last release 2019) and classifiers indicate support only through Python 3.7—verify compatibility with your target Python version before adopting.
Install
pytest-sftpserver on PyPI
Before you install
Low install friction with only two runtime dependencies (paramiko and six). The package is dormant—last release was 2019-09-16 and last commit 2024-03-20—so maintenance is minimal but the codebase remains archived and functional.
License in practice
MIT License (permissive) means you can use, modify, and distribute this package freely in both open-source and commercial projects with minimal restrictions.
Quickstart
pip install pytest-sftpserver
import pytest
from pytest_sftpserver import sftpserver
def test_sftp_fetch(sftpserver):
with sftpserver.serve_content({'a_dir': {'somefile.txt': 'File content'}}):
# Test your SFTP client code here
passVerify before relying
- Whether the package works with Python versions beyond 3.7 (classifiers list only 2.7, 3.5–3.7, but last commit is 2024)
- Whether paramiko and six versions have known compatibility issues with modern Python environments
Package facts
| License | MIT License permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagesparamikosix |
| Maintenance | Dormant 2,524 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,067,149 / month, #4,411 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: Python :: 2.7Programming Language :: Python :: 3.5Programming Language :: Python :: 3.6Programming Language :: Python :: 3.7Topic :: Software Development :: Testing |
Evidence: pytest_sftpserver-1.3.0-py2.py3-none-any.whl
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See also mocksftp · pytest-localftpserver · sftpserver · pytest-localserver · mock-ssh-server · pytest-stub · pytest-mock · pytest-httpbin · pytest-base-url · pytest-mock-resources