WeasyPrint 0.42 depends on:
- CPython ≥ 3.4
- cairo ≥ 1.15.4 
- Pango ≥ 1.38.0 
- CFFI ≥ 0.6
- html5lib ≥ 0.999999999
- cairocffi ≥ 0.5
- tinycss2 ≥ 0.5
- cssselect2 ≥ 0.1
- CairoSVG ≥ 1.0.20
- Pyphen ≥ 0.8
- pdfrw ≥ 0.4
- GDK-PixBuf ≥ 2.25.0 
virtualenv ./venv . ./venv/bin/activate pip install WeasyPrint
Now let’s try it:
weasyprint --help weasyprint http://weasyprint.org ./weasyprint-website.pdf
You should see warnings about unsupported CSS 3 stuff; this is expected. In the PDF you should see the WeasyPrint logo on the first page.
python -m weasyprint.tools.navigator
python -m weasyprint.tools.renderer
and open your browser at http://127.0.0.1:5000/.
|||cairo ≥ 1.15.4 is best but older versions may work too. The test suite passes on cairo 1.14, and passes with some tests marked as “expected failures” on 1.10 and 1.12 due to behavior changes or bugs in cairo. If you get incomplete SVG renderings, please read #339. If you get invalid PDF files, please read #565.|
|||pango ≥ 1.29.3 is required, but 1.38.0 is needed to handle @font-face CSS rules.|
|||Without it, PNG and SVG are the only supported image formats. JPEG, GIF and others are not available.|
Pango, GdkPixbuf, and cairo can not be installed
with pip and need to be installed from your platform’s packages.
CFFI can, but you’d still need their own dependencies.
This section lists system packages for CFFI when available,
the dependencies otherwise.
CFFI needs libffi with development files. On Debian, the package is called
If your favorite system is not listed here but you know the package names, tell us so we can add it here.
Debian / Ubuntu¶
Debian 9.0 Stretch or newer, Ubuntu 16.04 Xenial or newer:
sudo apt-get install build-essential python3-dev python3-pip python3-setuptools python3-wheel python3-cffi libcairo2 libpango-1.0-0 libpangocairo-1.0-0 libgdk-pixbuf2.0-0 libffi-dev shared-mime-info
WeasyPrint is packaged for Fedora, but you can install it with pip after installing the following packages:
sudo yum install redhat-rpm-config python-devel python-pip python-setuptools python-wheel python-cffi libffi-devel cairo pango gdk-pixbuf2
WeasyPrint is available in the AUR, but you can install it with pip after installing the following packages:
sudo pacman -S python-pip python-setuptools python-wheel cairo pango gdk-pixbuf2 libffi pkg-config
WeasyPrint is automatically installed and tested on virtual macOS machines. The official installation method relies on Homebrew:
brew install python3 cairo pango gdk-pixbuf libffi
Don’t forget to use the pip3 command to install WeasyPrint, as pip may be using the version of Python installed with macOS.
You can also try with Macports, but please notice that this solution is not tested and thus not recommended (also known as “you’re on your own and may end up crying blood with sad dolphins for eternity”):
sudo port install py-pip cairo pango gdk-pixbuf2 libffi
Dear Windows user, please follow these steps carefully.
Really carefully. Don’t cheat.
If you decide to install Python or GTK 32 bit on Windows 64 bit, you’re on your own, don’t even try to report an issue, kittens will die because of you.
- Install Python 3.6.x
with “Add Python 3.6 to PATH” checked:
- “Windows x86 executable installer” on Windows 32 bit,
- “Windows x86-64 executable installer” on Windows 64 bit,
- install GTK with “Set up PATH environment variable to include GTK+” checked:
- install Visual C++ Build Tools as explained in Python’s wiki,
- install WeasyPrint with
python -m pip install weasyprint,
- test with
python -m weasyprint http://weasyprint.org weasyprint.pdf.
If you get an error like
OSError: dlopen() failed to load a library: cairo /
cairo-2 it’s because Cairo (or the library given in your error) is not
available in one of the folders listed in your
variable. Reinstalling GTK (and carefully reading the warnings above) will
probably solve your problem. You can also find extra help in this bug report.