session-info2

cli

!session-info -h

usage: session-info [-h] [--os | --no-os] [--cpu | --no-cpu] [--gpu | --no-gpu]
                    [--dependencies | --no-dependencies] [-f {text,markdown,html,json}]
                    [packages ...]

positional arguments:
  packages              packages to import

options:
  -h, --help            show this help message and exit
  --os, --no-os         include OS name and version
  --cpu, --no-cpu       include number of CPU cores
  --gpu, --no-gpu       include information per supported GPU (disabled by default)
  --dependencies, --no-dependencies
                        include dependencies
  -f, --format {text,markdown,html,json}
                        output format

!session-info --no-dependencies ipykernel

ipykernel	7.2.0
----	----
Python	3.14.0 (main, Mar 19 2026, 17:06:41) [GCC 13.2.0]
OS	Linux-6.17.0-1007-aws-x86_64-with-glibc2.39
CPU	2/2 logical CPU cores, x86_64
Updated	2026-04-08 11:30

programmatic use

Start by importing the main function and calling it:

from session_info2 import session_info

session_info()  # note that the “copy” button only works in a live notebook

/tmp/ipykernel_1317/3496285662.py:1: RuntimeWarning: Failed to import dependencies for application/vnd.jupyter.widget-view+json representation. (ModuleNotFoundError: No module named 'ipywidgets')
  session_info()  # note that the “copy” button only works in a live notebook
ComponentInfo
Python3.14.0 (main, Mar 19 2026, 17:06:41) [GCC 13.2.0]
OSLinux-6.17.0-1007-aws-x86_64-with-glibc2.39
Updated2026-04-08 11:30
Dependencies
DependencyVersion
Pygments2.20.0
platformdirs4.9.4
psutil7.2.2
wcwidth0.6.0
python-dateutil2.9.0.post0
ptyprocess0.7.0
decorator5.2.1
stack-data0.6.3
executing2.2.1
ipython9.12.0
jupyter_client8.8.0
traitlets5.14.3
parso0.8.6
pyzmq27.1.0
six1.17.0
pure_eval0.2.3
jupyter_core5.9.1
asttokens3.0.1
ipykernel7.2.0
jedi0.19.2
pexpect4.9.0
debugpy1.8.20
tornado6.5.5
prompt_toolkit3.0.52
packaging26.0
session-info20.4.1
comm0.2.3
Copyable Markdown 
| Dependency      | Version     |
| --------------- | ----------- |
| Pygments        | 2.20.0      |
| platformdirs    | 4.9.4       |
| psutil          | 7.2.2       |
| wcwidth         | 0.6.0       |
| python-dateutil | 2.9.0.post0 |
| ptyprocess      | 0.7.0       |
| decorator       | 5.2.1       |
| stack-data      | 0.6.3       |
| executing       | 2.2.1       |
| ipython         | 9.12.0      |
| jupyter_client  | 8.8.0       |
| traitlets       | 5.14.3      |
| parso           | 0.8.6       |
| pyzmq           | 27.1.0      |
| six             | 1.17.0      |
| pure_eval       | 0.2.3       |
| jupyter_core    | 5.9.1       |
| asttokens       | 3.0.1       |
| ipykernel       | 7.2.0       |
| jedi            | 0.19.2      |
| pexpect         | 4.9.0       |
| debugpy         | 1.8.20      |
| tornado         | 6.5.5       |
| prompt_toolkit  | 3.0.52      |
| packaging       | 26.0        |
| session-info2   | 0.4.1       |
| comm            | 0.2.3       |

| Component | Info                                              |
| --------- | ------------------------------------------------- |
| Python    | 3.14.0 (main, Mar 19 2026, 17:06:41) [GCC 13.2.0] |
| OS        | Linux-6.17.0-1007-aws-x86_64-with-glibc2.39       |
| Updated   | 2026-04-08 11:30                                  |

If you call it while some packages are in scope, you should see them appear in the list:

session_info()

/tmp/ipykernel_1317/1880913108.py:1: RuntimeWarning: Failed to import dependencies for application/vnd.jupyter.widget-view+json representation. (ModuleNotFoundError: No module named 'ipywidgets')
  session_info()
ComponentInfo
Python3.14.0 (main, Mar 19 2026, 17:06:41) [GCC 13.2.0]
OSLinux-6.17.0-1007-aws-x86_64-with-glibc2.39
Updated2026-04-08 11:30
Dependencies
DependencyVersion
Pygments2.20.0
platformdirs4.9.4
psutil7.2.2
wcwidth0.6.0
python-dateutil2.9.0.post0
ptyprocess0.7.0
decorator5.2.1
stack-data0.6.3
executing2.2.1
ipython9.12.0
jupyter_client8.8.0
traitlets5.14.3
parso0.8.6
pyzmq27.1.0
six1.17.0
pure_eval0.2.3
jupyter_core5.9.1
asttokens3.0.1
ipykernel7.2.0
jedi0.19.2
pexpect4.9.0
debugpy1.8.20
tornado6.5.5
prompt_toolkit3.0.52
packaging26.0
session-info20.4.1
comm0.2.3
Copyable Markdown 
| Dependency      | Version     |
| --------------- | ----------- |
| Pygments        | 2.20.0      |
| platformdirs    | 4.9.4       |
| psutil          | 7.2.2       |
| wcwidth         | 0.6.0       |
| python-dateutil | 2.9.0.post0 |
| ptyprocess      | 0.7.0       |
| decorator       | 5.2.1       |
| stack-data      | 0.6.3       |
| executing       | 2.2.1       |
| ipython         | 9.12.0      |
| jupyter_client  | 8.8.0       |
| traitlets       | 5.14.3      |
| parso           | 0.8.6       |
| pyzmq           | 27.1.0      |
| six             | 1.17.0      |
| pure_eval       | 0.2.3       |
| jupyter_core    | 5.9.1       |
| asttokens       | 3.0.1       |
| ipykernel       | 7.2.0       |
| jedi            | 0.19.2      |
| pexpect         | 4.9.0       |
| debugpy         | 1.8.20      |
| tornado         | 6.5.5       |
| prompt_toolkit  | 3.0.52      |
| packaging       | 26.0        |
| session-info2   | 0.4.1       |
| comm            | 0.2.3       |

| Component | Info                                              |
| --------- | ------------------------------------------------- |
| Python    | 3.14.0 (main, Mar 19 2026, 17:06:41) [GCC 13.2.0] |
| OS        | Linux-6.17.0-1007-aws-x86_64-with-glibc2.39       |
| Updated   | 2026-04-08 11:30                                  |

In environments where ipywidgets is not available, you will see the HTML version of the output instead:

from IPython.display import HTML

HTML(session_info()._repr_mimebundle_()["text/html"])

/home/docs/.local/share/hatch/env/virtual/session-info2/pWdOFpCL/notebook/lib/python3.14/site-packages/IPython/core/interactiveshell.py:3169: RuntimeWarning: Failed to import dependencies for application/vnd.jupyter.widget-view+json representation. (ModuleNotFoundError: No module named 'ipywidgets')
  result = self._run_cell(
ComponentInfo
Python3.14.0 (main, Mar 19 2026, 17:06:41) [GCC 13.2.0]
OSLinux-6.17.0-1007-aws-x86_64-with-glibc2.39
Updated2026-04-08 11:30
Dependencies
DependencyVersion
Pygments2.20.0
platformdirs4.9.4
psutil7.2.2
wcwidth0.6.0
python-dateutil2.9.0.post0
ptyprocess0.7.0
decorator5.2.1
stack-data0.6.3
executing2.2.1
ipython9.12.0
jupyter_client8.8.0
traitlets5.14.3
parso0.8.6
pyzmq27.1.0
six1.17.0
pure_eval0.2.3
jupyter_core5.9.1
asttokens3.0.1
ipykernel7.2.0
jedi0.19.2
pexpect4.9.0
debugpy1.8.20
tornado6.5.5
prompt_toolkit3.0.52
packaging26.0
session-info20.4.1
comm0.2.3
Copyable Markdown 
| Dependency      | Version     |
| --------------- | ----------- |
| Pygments        | 2.20.0      |
| platformdirs    | 4.9.4       |
| psutil          | 7.2.2       |
| wcwidth         | 0.6.0       |
| python-dateutil | 2.9.0.post0 |
| ptyprocess      | 0.7.0       |
| decorator       | 5.2.1       |
| stack-data      | 0.6.3       |
| executing       | 2.2.1       |
| ipython         | 9.12.0      |
| jupyter_client  | 8.8.0       |
| traitlets       | 5.14.3      |
| parso           | 0.8.6       |
| pyzmq           | 27.1.0      |
| six             | 1.17.0      |
| pure_eval       | 0.2.3       |
| jupyter_core    | 5.9.1       |
| asttokens       | 3.0.1       |
| ipykernel       | 7.2.0       |
| jedi            | 0.19.2      |
| pexpect         | 4.9.0       |
| debugpy         | 1.8.20      |
| tornado         | 6.5.5       |
| prompt_toolkit  | 3.0.52      |
| packaging       | 26.0        |
| session-info2   | 0.4.1       |
| comm            | 0.2.3       |

| Component | Info                                              |
| --------- | ------------------------------------------------- |
| Python    | 3.14.0 (main, Mar 19 2026, 17:06:41) [GCC 13.2.0] |
| OS        | Linux-6.17.0-1007-aws-x86_64-with-glibc2.39       |
| Updated   | 2026-04-08 11:30                                  |

Compare the output with session-info:

import session_info as si

si.show()
Click to view session information 
-----
session_info        v1.0.1
session_info2       NA
-----
Click to view modules imported as dependencies 
asttokens           NA
comm                0.2.3
cython_runtime      NA
dateutil            2.9.0.post0
debugpy             1.8.20
decorator           5.2.1
executing           2.2.1
ipykernel           7.2.0
jedi                0.19.2
packaging           26.0
parso               0.8.6
pexpect             4.9.0
platformdirs        4.9.4
prompt_toolkit      3.0.52
psutil              7.2.2
ptyprocess          0.7.0
pure_eval           0.2.3
pydev_ipython       NA
pydevconsole        NA
pydevd              3.2.3
pydevd_file_utils   NA
pydevd_plugins      NA
pydevd_tracing      NA
pygments            2.20.0
six                 1.17.0
stack_data          0.6.3
tornado             6.5.5
traitlets           5.14.3
wcwidth             0.6.0
zmq                 27.1.0

-----
IPython             9.12.0
jupyter_client      8.8.0
jupyter_core        5.9.1
-----
Python 3.14.0 (main, Mar 19 2026, 17:06:41) [GCC 13.2.0]
Linux-6.17.0-1007-aws-x86_64-with-glibc2.39
-----
Session information updated at 2026-04-08 11:30