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https://github.com/rasbt/watermark
An IPython magic extension for printing date and time stamps, version numbers, and hardware information
https://github.com/rasbt/watermark
ipython jupyter magic-extension python
Last synced: about 2 months ago
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An IPython magic extension for printing date and time stamps, version numbers, and hardware information
- Host: GitHub
- URL: https://github.com/rasbt/watermark
- Owner: rasbt
- License: other
- Created: 2014-07-30T03:46:33.000Z (about 10 years ago)
- Default Branch: master
- Last Pushed: 2023-07-02T14:29:02.000Z (about 1 year ago)
- Last Synced: 2024-07-25T20:22:12.275Z (about 2 months ago)
- Topics: ipython, jupyter, magic-extension, python
- Language: Python
- Size: 582 KB
- Stars: 883
- Watchers: 13
- Forks: 90
- Open Issues: 20
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
[](https://ci.appveyor.com/project/rasbt/watermark)
[](http://badge.fury.io/py/watermark)
# watermark
An IPython magic extension for printing date and time stamps, version numbers, and hardware information.
#### Sections
- [Examples](#examples)
- [Installation and updating](#installation-and-updating)
- [Usage](#usage)
- [Development guidelines](#development-guidelines)
- [Changelog](#changelog)
## Examples
[[top](#sections)]
### Using watermark in Jupyter notebooks and IPython sessions
**More examples can be found in this [Jupyter notebook](docs/watermark.ipynb).**
[](https://mybinder.org/v2/gh/rasbt/watermark/master?filepath=docs%2Fwatermark.ipynb)
### Using watermark as a module
```python
from watermark import watermark
print(watermark())
```
```
Last updated: 2022-09-13T16:28:56.177487-05:00
Python implementation: CPython
Python version : 3.9.13
IPython version : 8.4.0
Compiler : Clang 13.0.1
OS : Darwin
Release : 21.6.0
Machine : arm64
Processor : arm
CPU cores : 10
Architecture: 64bit
```
```python
print(watermark(packages="numpy,scipy"))
```
```
numpy: 1.23.2
scipy: 1.9.1
```
See `help(watermark)` for more options.
## Installation and updating
[[top](#sections)]
The watermark line magic can be installed by executing
```bash
pip install watermark
```
Alternatively, you can install the latest development version directly from GitHub via
```bash
pip install -e git+https://github.com/rasbt/watermark#egg=watermark
```
Note:
To remove an old `watermark` installation (installed via the deprecated `%install_ext` magic extension), simply delete it from the ``.ipython/extensions/`` directory, which is typically located in a user's home directory.
## Usage
[[top](#sections)]
After successful installation, the `watermark` magic extension can be loaded via:
```python
%load_ext watermark
```
To get an overview of all available commands, type:
```python
%watermark?
```
```raw
%watermark [-a AUTHOR] [-gu GITHUB_USERNAME] [-e EMAIL] [-ws WEBSITE]
[-d] [-n] [-t] [-i] [-z] [-u] [-c CUSTOM_TIME] [-v]
[-p PACKAGES] [-co] [-h] [-m] [-g] [-r] [-b] [-w] [-iv]
IPython magic function to print date/time stamps
and various system information.
optional arguments:
-a AUTHOR, --author AUTHOR
prints author name
-gu GITHUB_USERNAME, --github_username GITHUB_USERNAME
prints author github username
-e EMAIL, --email EMAIL
prints author email
-ws WEBSITE, --website WEBSITE
prints author or project website
-d, --date prints current date as YYYY-mm-dd
-n, --datename prints date with abbrv. day and month names
-t, --time prints current time as HH-MM-SS
-i, --iso8601 prints the combined date and time including the time
zone in the ISO 8601 standard with UTC offset
-z, --timezone appends the local time zone
-u, --updated appends a string "Last updated: "
-c CUSTOM_TIME, --custom_time CUSTOM_TIME
prints a valid strftime() string
-v, --python prints Python and IPython version
-p PACKAGES, --packages PACKAGES
prints versions of specified Python modules and
packages
-co, --conda prints name of current conda environment
-h, --hostname prints the host name
-m, --machine prints system and machine info
-g, --githash prints current Git commit hash
-r, --gitrepo prints current Git remote address
-b, --gitbranch prints current Git branch
-w, --watermark prints the current version of watermark
-iv, --iversions prints the name/version of all imported modules
```
## Development guidelines
[[top](#sections)]
In line with [NEP 29][nep-29], this project supports:
- All minor versions of Python released 42 months prior to the project, and at minimum the two latest minor versions.
[nep-29]: https://numpy.org/neps/nep-0029-deprecation_policy.html
## Changelog
[[top](#sections)]
#### v. 2.4.3 (May 23, 2023)
- Make `py3nvml` installation for GPU info optional. ([#92](https://github.com/rasbt/watermark/pull/92), via contribution by [Ben Greiner](https://github.com/bnavigator))
#### v. 2.4.1 and v 2.4.2 (May 23, 2023)
- PyPI and Conda-Forge packaging fixes.
#### v. 2.4.0 (May 23, 2023)
- Adds a new `--gpu` flag to print out GPU information (currently limited to NVIDIA devices) ([#90](https://github.com/rasbt/watermark/pull/90), via contribution by [907Resident](https://github.com/907Resident))
#### v. 2.3.1 (May 27, 2022)
- Upper limit on importlib-metadata caused trouble installing on Python 3.7.
Instead pin to minimum version with Python 3.8 functionality according to https://github.com/python/importlib_metadata#compatibility ([#86](https://github.com/rasbt/watermark/pull/86), via contribution by [James Myatt](https://github.com/jamesmyatt))
#### v. 2.3.0 (January 3, 2022)
- Added the following arguments: `--github_username` - for prints author github username, `--email` - for prints author email, `--website` - for prints author or project website. ([#82](https://github.com/rasbt/watermark/pull/82), via contribution by [joschkazj](https://github.com/joschkazj))
- Added a `--conda` option to print the name of the current conda environment. ([#79](https://github.com/rasbt/watermark/pull/79), via contribution by [Alexander Krasnikov](https://github.com/askras))
- It is now possible to inject globals when used outside IPython ([#80](https://github.com/rasbt/watermark/pull/80), via contribution by [
Hugo Lapré](https://github.com/Hugovdberg)). For example, version numbers of imported packages can now be obtained as follows:
```python
import numpy
import watermark.watermark as watermark
watermark(iversions=True, globals_=globals())
```
#### v. 2.2.0 (February 17, 2021)
- Refactoring such that a `watermark()` function now also works outside IPython and Jupyter. Now, the magic `%watermark` calls `watermark()`. Calling `%watermark` via IPython and Juypter still works as usual. However, in addition the `watermark()` function can be used within regular Python for unit testing purposes etc. ([#46](https://github.com/rasbt/watermark/pull/46), via contribution by [Tymoteusz Wołodźko](https://github.com/twolodzko))
#### v. 2.1.0 (November 23, 2020)
- Adopt [NEP 29][nep-29] and require Python version 3.7 or newer. ([#63](https://github.com/rasbt/watermark/pull/63), via contribution by [James Myatt](https://github.com/jamesmyatt))
- Add Python 3.8 and 3.9 to Travis CI builds. ([#63](https://github.com/rasbt/watermark/pull/63), via contribution by [James Myatt](https://github.com/jamesmyatt))
- Fix: Allow setup.py to run without install_requires already installed ([#67](https://github.com/rasbt/watermark/pull/67), via contribution by [James Myatt](https://github.com/jamesmyatt))
- Major refactoring to improve code readability ([#64](https://github.com/rasbt/watermark/pull/64) and [65](https://github.com/rasbt/watermark/pull/65), via contribution by [Bahram Aghaei](https://github.com/GreatBahram))
- Use importlib and importlib.metadata to determine package version numbers. ([#66](https://github.com/rasbt/watermark/pull/66), via contribution by [James Myatt](https://github.com/jamesmyatt))
#### v. 2.0.2 (November 19, 2019)
- Support `VERSION` attributes, in addition to `__version__` attributes.
#### v. 2.0.1 (October 04, 2019)
- Fix `'sklearn'` vs. `'scikit-learn'` import compatibility.
#### v. 2.0.0 (October 04, 2019)
- Now uses `pkg_resources` as the default method for getting version numbers.
- Fixes a whitespace bug when printing the timezone.
#### v. 1.8.2 (July 28, 2019)
- When no Python library was imported and the `--iversion` is used, print an empty string instead of raising an error.
#### v. 1.8.1 (January 26, 2019)
- Fixes string alignment issues when the `-iv`/`--iversion` flag is used.
#### v. 1.8.0 (January 02, 2019)
- The `-iv`/`--iversion` flag now also shows package versions that were imported as `from X import Y`
and `import X.Y as Y`. For example,
```python
import scipy as sp
from sklearn import metrics
import numpy.linalg as linalg
```
```
%watermark --iversions
```
will return
```
scipy 1.1.0
sklearn 0.20.1
numpy 1.15.4
```
#### v. 1.7.0 (October 13, 2018)
(Via contribution by [James Myatt](https://github.com/jamesmyatt))
- Shows "not installed" for version of packages/modules that cannot be imported.
- Shows "unknown" for version of packages/modules when version attribute cannot be found.
- Add Python 3.6 and 3.7 to Travis CI builds.
- Add classifiers to setuptools configuration.
#### v. 1.6.1 (June 10, 2018)
- Now also includes the LICENSE file in the Python Wheels distribution
#### v. 1.6.0 (Jan uary18, 2018)
- Adds a new `-b`/`--gitbranch` parameter that prints the current Git branch.
#### v. 1.5.0 (August 27, 2017)
- Adds a new `-iv`/ `--iversions` parameter that prints the package names and version numbers of all packages that were previously imported in the current Python session. (Via contribution by [Aziz Alto](https://github.com/iamaziz))
#### v. 1.4.0 (April 18, 2017)
- Adds a new `-r`/ `--gitrepo` parameter that returns the URL of Git remote name "origin". (Via contribution by [Lucy Park](https://github.com/e9t))
#### v. 1.3.4 (October 15, 2016)
- Allow fetching scikit-learn's version number via `-p scikit-learn` in addition of `-p sklearn` (the former is deprecated and will not be supported in watermark > 1.7).
#### v. 1.3.3 (September 1, 2016)
- Includes LICENSE in MANIFEST.in for packaging
#### v. 1.3.2 (August 16, 2016)
- Fixes an issue where the wrong package info was obtained when using the system level Jupyter within a virtualenv environment. (Via contribrution by [Michael Bell](https://github.com/mrbell))
- Adds a new `-i`/ `--iso8601` parameter that returns the current date-time string in ISO 8601 format with offset to UTC. For instance: `2016-08-16T18:03:42-04:00`. Current caveat: Python < 3.2 requires external libraries for for computing the timezone offset, thus, Python < 3.2 will currently only print `2016-08-16T18:03:42`
- Adds offsets to UTC to the default date-time string for Python >= 3.2
#### v. 1.3.1 (June 6, 2016)
- Fixes an issue that caused problems importing watermark using Python 2.x
#### v. 1.3.0 (May 21, 2016)
- Removed the deprecated the %install_ext magic so that watermark can now be installed as a regular python package via `pip` (Via contribution by [Peter Bull](https://github.com/pjbull))
#### v. 1.2.3 (January 29, 2016)
- Changed date format to the unambiguous ISO-8601 format
- Ditched the deprecated %install_ext function and made watermark a proper Python package
- Released the new version under a more permissive newBSD [license](./LICENSE)
#### v. 1.2.2 (June 17, 2015)
- Changed the default date-format of `-d`, `--date` to MM/DD/YYYY, the format DD/MM/YYYY can be used via the shortcut `-e`, `--eurodate`.
#### v. 1.2.1 (March 3, 2015)
- Small bugfix to allow custom time string formatting.
#### v. 1.2.0 (October 1, 2014)
- `--watermark` command added to print the current version of watermark.
- Print author name on a separate line
- Fixed bug that day takes the same value as the minute if the `-n` flag is used.