A Python binding to poppler-cpp
Project description
python-poppler
python-poppler is a Python binding to the poppler-cpp library. It allows to read, render, or modify PDF documents. More specifically, it currently allows to:
- read an modify document meta data;
- list and read embedded documents;
- list the fonts used by the document;
- search or extract text on a given page of the document;
- render a page to a raw image;
- get info about transitions effects between the pages;
- read the table of contents of the document.
How to build
This package is currently distributed as source only, and is currently tested on Linux only. It requires poppler 0.62 or higher (but 0.87 or higher is recommended). I will provide a WIndows build once I figure out how to compile poppler for Windows.
You need poppler-cpp with headers, python (3.7 or 3.8) with headers, and cmake. On Arch linux, you need the poppler package. On Ubuntu, you need to install libpoppler-cpp-dev.
The whole build process is handled by the setup.py
file.
For instance, to install in the current environment:
$ python setup.py install
This will compile the binary packages, and install the library.
Tests are run using tox:
$ tox
Building from Poppler sources
$ git clone https://gitlab.freedesktop.org/poppler/poppler.git
$ cd poppler
$ git checkout poppler-0.89.0
$ mkdir build
$ cd build
$ cmake \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX:PATH=/ \
-DENABLE_UNSTABLE_API_ABI_HEADERS=ON \
-DBUILD_GTK_TESTS=OFF \
-DBUILD_QT5_TESTS=OFF \
-DBUILD_CPP_TESTS=OFF \
-DENABLE_CPP=ON \
-DENABLE_GLIB=OFF \
-DENABLE_GOBJECT_INTROSPECTION=OFF \
-DENABLE_GTK_DOC=OFF \
-DENABLE_QT5=OFF \
-DBUILD_SHARED_LIBS=ON \
..
$ make
$ mkdir ../dist
$ make DESTDIR=../dist install
You can omit the git checkout
step if you want to work on HEAD.
Instead of using a custom DESTDIR
, you could also install to /usr/local
by omiting the CMAKE_INSTALL_PREFIX
option and using sudo make install
to install it.
To compile python-poppler using a custom location for Poppler,
set the env var POPPLER_DIR
to the installation prefix you used.
In our example, it would be something like:
$ export POPPLER_DIR=/path/to/poppler/dist
$ cd python-poppler
$ python setup.py bdist_wheel
To build the wheel, you need the wheel
package, if not already installed.
Alternatively, you could simply do python setup.py install
, preferabily
in a virtual environment.
You now need to tell the system where to find the Poppler shared libraries.
$ export LD_LIBRARY_PATH=/path/to/poppler/dist/usr/lib:$LD_LIBRARY_PATH
$ python
>>> import poppler
>>> poppler.version()
(0, 89, 0)
Usage
The package is installed as poppler
. It follows the interface of poppler-cpp
. Therefore, you can refer to the documentation of the C++ library.
Example:
from poppler import load_from_file, PageRenderer
pdf_document = load_from_file("sample.pdf")
page_1 = pdf_document.create_page(0)
page_1_text = page_1.text()
renderer = PageRenderer()
image = renderer.render_page(page_1)
image_data = image.data
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