Label Studio is an online data annotation tool developed by Heartex, Inc. and is available in a community edition (open source) and an enterprise edition (a cloud service, for a fee), which offers enhanced security (single sign-on, role-based access control, SOC2), team management, analytics, and reporting, as well as uptime and support for service level agreements. Even the free open source version is sufficient to support a wide range of annotation types, including image classification, target detection, semantic segmentation, and more. It also supports a wide range of data types such as text, images, audio and video. It also supports integrated machine learning models for a variety of complex data annotation needs.
Installing Label Studio
Label Studio installation method has a variety of mainstream pip, conda installation, also supports docker installation, these installation methods, you can search the Internet to a lot, not to be introduced here. As a developer, more accustomed to installing through the source code, this article introduces how to clone the source code from github to install.
Download source code
- git clone /HumanSignal/
Since the git repository of label-studio has a huge number of files, it is easy to fail to download, we suggest using the following command to download - git clone /HumanSignal/ --depth 1
Installation of poetry
Poetry is a Python packaging and dependency management tool designed to simplify Python package creation, distribution, and dependency management. Poetry provides a unified and simplified tool and workflow compared to the traditional combination of setuptools, pip, and ...
cd label-studio
pip install poetry
After installation, execute the following command
- poetry config list
cache-dir = "/Users/oheroj/Library/Caches/pypoetry"
-git-client = false
-workers = null
-installation = true
-binary = null
= true
= true
-wheel = true
= true
-project = null
-copy = false
-pip = false
-setuptools = false
-site-packages = false
= "{cache-dir}/virtualenvs" # /Users/laijihua/Library/Caches/pypoetry/virtualenvs
-active-python = false
= "{project_name}-py{python_version}"
= true
included among these = trueChanging this to false stops poetry from automatically creating a behavior pattern if the virtual environment is not checked, but it is recommended not to change it.
(indicates contrast)-project = falseis the target we want to modify, using the command.
poetry config -project true
The virtual environment will be created in the project root directory, not in the cache directory.
Installation of dependencies
Execute the following command to install the dependencies:
poetry install
If the following error occurs
- Installing label-studio-sdk (1.0.4 /HumanSignal/label-studio-sdk/archive/): Failed
SSLCertVerificationError
[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1129)
then the following command is executed
poetry add label-studio-sdk@latest
After the dependency package is installed, execute the following command:
poetry run python label_studio/ migrate
poetry run python label_studio/ collectstatic
Starting services
poetry run python label_studio/ runserver