ptracer – a library for ptrace-based tracing of Python programs
Ptracer is a library providing on-demand system call tracing in Python programs.
Basic Usage
import traceback
import ptracer
def callback(syscall):
print('{}({}) -> {}'.format(
syscall.name,
', '.join(repr(arg.value) for arg in syscall.args),
syscall.result.text))
print('Traceback: ')
print(''.join(traceback.format_list(syscall.traceback)))
with ptracer.context(callback):
open('/dev/null', 'wb')Filtering
Ptracer allows elaborate syscall filtering via the filter argument:
flt = [
ptracer.SysCallPattern(
name='open',
args=[
re.compile(b'/tmp/.*'),
lambda arg: arg.value & os.O_WRONLY
],
result=lambda res: res.value > 0
)
]
with ptracer.context(callback, filter=flt):
# traced code
...In the above example, ptracer will invoke the callback only for successful attempts to open files in the “/tmp” directory for writing.
Documentation
The documentation is available on ptracer.readthedocs.io.
3 maintainers
Metadata
3 maintainers
Release files for ptracer 0.6.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
|---|---|---|---|---|
| ptracer-0.6.1.tar.gz | 33.5 kB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| ptracer-0.6.1-cp39-cp39-macosx_12_0_arm64.whl | CPython 3.9 | CPython 3.9 | macOS 12.0+ ARM64 | Details |
Total release size: 72.5 kB
Release files / ptracer-0.6.1.tar.gz
| Download URL | ptracer-0.6.1.tar.gz |
|---|---|
| Size | 33.5 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Release files / ptracer-0.6.1-cp39-cp39-macosx_12_0_arm64.whl
| Download URL | ptracer-0.6.1-cp39-cp39-macosx_12_0_arm64.whl |
|---|---|
| Size | 39.0 kB |
| Tags | CPython 3.9 macOS 12.0+ ARM64 |
|
SHA-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Security for ptracer 0.6.1
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