Beyond Linux® From Scratch (System V Edition) - Version 11.0

Chapter 13. Programming

Python Modules

Introduction to Python Modules

The Python module packages add useful objects to the Python language. Modules utilized by packages throughout BLFS are listed here, along with their dependencies.

D-Bus Python-1.2.18

Introduction to D-Bus Python Module

D-Bus Python provides Python bindings to the D-Bus API interface.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

D-Bus Python Dependencies

Required

dbus-1.12.20 and GLib-2.68.4

Recommended

Python-2.7.18 (some applications in the book require the Python 2 module)

Optional

PyGObject-3.40.1 and tap.py (required for some tests)

Optional (Required to build the API and HTML Documentation)

docutils-0.17.1 and Sphinx with sphinx_rtd_theme

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/dbus-python

Installation of D-Bus Python

[Note]

Note

Both Python 2 and Python 3 modules can be built and installed without any conflicts.

To build D-Bus Python as the Python 2 module, run the following commands: 

mkdir python2 &&
pushd python2 &&
PYTHON=/usr/bin/python2     \
../configure --prefix=/usr --disable-documentation &&
make &&
popd

To test the results, issue: make -C python2 check. Several tests report an error due to dbus issues.

To build D-Bus Python as the Python 3 module, run the following commands: 

mkdir python3 &&
pushd python3 &&
PYTHON=/usr/bin/python3    \
../configure --prefix=/usr --docdir=/usr/share/doc/dbus-python-1.2.18 &&
make &&
popd

To test the results, issue: make -C python3 check.

To install the Python 2 module, run the following command as the root user: 

make -C python2 install

To install the Python 3 module, run the following command as the root user: 

make -C python3 install

Contents

Installed Programs: None
Installed Libraries: None
Installed Directories: /usr/share/doc/dbus-python-1.2.18 and /usr/lib/python2.7/site-packages/dbus and/or /usr/lib/python3.9/site-packages/dbus

decorator-5.0.9

Introduction to decorator Module

The goal of the decorator module is to make it easy to define signature-preserving function decorators and decorator factories.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/decorator

Installation of decorator

Install decorator with the following commands: 

python3 setup.py build

This package does not come with a test suite.

To install the decorator package with the following command as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: /usr/lib/python3.9/site-packages/decorator-5.0.9-py3.9.egg-info
Installed Directories: None

docutils-0.17.1

Introduction to docutils

docutils is a set of Python modules and programs for processing plaintext docs into formats such as HTML, XML, or LaTeX.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

Docutils Dependencies

Optional

Python-2.7.18

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/docutils

Installation of docutils

To build the Python 3 applications, run the following command: 

python3 setup.py build

To install the Python applications run the following as the root user: 

python3 setup.py install --optimize=1 &&

for f in /usr/bin/rst*.py; do
  ln -svf $(basename $f) /usr/bin/$(basename $f .py)
done

Contents

Installed Programs: rst2html4, rst2html5, rst2html, rst2latex, rst2man, rst2odt_prepstyles, rst2odt, rst2pseudoxml, rst2s5, rst2xetex, rst2xml, and rstpep2html
Installed Libraries: None
Installed Directories: /usr/lib/python3.9/site-packages/docutils

Py3c-1.3.1

Introduction to Py3c

Py3c helps you port C extensions to Python 3. It provides a detailed guide, and a set of macros to make porting easy and reduce boilerplate.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/py3c

Installation of Py3c

The Py3c package is a headers-only package and because of that, no configuration and compilation is required.

To test the package, issue: make test-python3.

To install the Python 3 module, run the following command as the root user: 

make prefix=/usr install

Contents

Installed Programs: None
Installed Libraries: None
Installed Directories: /usr/include/py3c

PyAtSpi2-2.38.1

Introduction to PyAtSpi2

The PyAtSpi2 package contains Python bindings for the core components of the GNOME Accessibility.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

PyAtSpi2 Dependencies

Required

PyGObject-3.40.1

Recommended

at-spi2-core-2.40.3

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pyatspi2

Installation of PyAtSpi2

To build PyAtSpi2 as a Python 3 module, run the following commands: 

./configure --prefix=/usr --with-python=/usr/bin/python3

This package does not come with a testsuite.

To install the Python 3 module, run the following command as the root user: 

make install

Contents

Installed Programs: None
Installed Libraries: None
Installed Directories: /usr/lib/python3.9/site-packages/pyatspi

PyCairo-1.20.1

Introduction to PyCairo Module

PyCairo provides Python bindings to Cairo.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

PyCairo Dependencies

Required

Cairo-1.17.4

Optional

Hypothesis (for tests)

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pycairo

Installation of PyCairo

[Note]

Note

The current version of pycairo no longer builds the Python2 module. If you need that module for packages such as Gimp-2.10.24, use PyCairo-1.18.2

Install PyCairo for Python3 by running the following commands: 

python3 setup.py build

This package does not come with a test suite.

Now, as the root user: 

python3 setup.py install --optimize=1   &&
python3 setup.py install_pycairo_header &&
python3 setup.py install_pkgconfig

Contents

Installed Program: None
Installed Library: _cairo.cpython-39-<arch>-linux-gnu.so
Installed Directories: /usr/include/pycairo, and /usr/lib/python3.9/site-packages/pycairo-1.20.1-py3.9.egg

PyCairo-1.18.2

Introduction to PyCairo for Python2 Module

This version of PyCairo provides Python2 bindings to Cairo.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

PyCairo Dependencies

Required

Cairo-1.17.4 and Python-2.7.18

Optional

Hypothesis (for tests)

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pycairo

Installation of PyCairo

[Note]

Note

This version of PyCairo is only retained for packages such as Gimp-2.10.24 which is stuck on Python2 until Gimp-3 is released.

Install PyCairo for Python2 by running the following commands: 

python2 setup.py build

This package does not come with a test suite.

Now, as the root user: 

python2 setup.py install --optimize=1   &&
python2 setup.py install_pycairo_header &&
python2 setup.py install_pkgconfig

Contents

Installed Program: None
Installed Library: _cairo.so
Installed Directories: /usr/include/pycairo, /usr/lib/python2.7/site-packages/cairo, /usr/lib/python2.7/site-packages/pycairo-1.18.2-py2.7.egg,

PyCryptodome-3.10.1

Introduction to the PyCryptodome Module

PyCryptodome is a collection of both secure hash functions (such as SHA256 and RIPEMD160), and various encryption algorithms (AES, DES, RSA, ElGamal, etc.), and is a drop-in replacement for PyCrypto.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pycryptodome

Installation of PyCryptodome

To build PyCryptodome as a Python 3 module, run the following command: 

python3 setup.py build

To install the module, run the following command as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: None
Installed Directories: /usr/lib/python3.9/site-packages/pycryptodome-3.10.1-py3.9.egg

dbusmock-0.23.1

Introduction to dbusmock

dbusmock is a Python library useful for writing tests for software which talks to D-Bus services.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

dbusmock Dependencies

Required

D-Bus Python-1.2.18 (runtime)

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/dbusmock

Installation of dbusmock

Build the package with: 

python3 setup.py build

To install the package run the following as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: python_dbusmock-0.23.1-py3.9.egg
Installed Directories: /usr/lib/python3.9/site-packages/dbusmock

Pygments-2.10.0

Introduction to Pygments Module

Pygments is a general syntax highlighter written in Python, for more than 300 languages.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pygments

Installation of Pygments

Build and install the Python 3 module by running the following commands as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: pygmentize
Installed Library: None
Installed Directories: /usr/lib/python3.9/site-packages/Pygments-2.10.0-py3.9.egg

PyGObject-2.28.7

Introduction to PyGObject Module

PyGObject-2.28.7 provides Python 2 bindings to the GObject class from GLib.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

PyGObject Dependencies

Required

GLib-2.68.4, PyCairo-1.18.2 and Python-2.7.18

Optional

gobject-introspection-1.68.0 and libxslt-1.1.34 (to Build Documentation)

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pygobject2

Installation of PyGObject

Install PyGObject by running the following commands: 

./configure --prefix=/usr --disable-introspection &&
make

This package does not have a working testsuite.

Now, as the root user: 

make install

Command Explanations

--disable-introspection: Omit this switch if you have installed gobject-introspection-1.68.0. Note that it conflicts with PyGObject-3.40.1.

--disable-docs: This option disables the rebuilding of the html documentation if libxslt-1.1.34 is installed.

Contents

Installed Programs: pygobject-codegen-2.0
Installed Libraries: libpyglib-2.0-python.so, _gio.so, unix.so, _glib.so and _gobject.so.
Installed Directories: /usr/include/pygtk-2.0, /usr/lib/python2.7/site-packages/gtk-2.0/{gio,glib,gobject}, /usr/share/gtk-doc/html/pygobject and /usr/share/pygobject/2.0

PyGObject-3.40.1

Introduction to PyGObject3 Module

PyGObject3 provides Python bindings to the GObject class from GLib.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

PyGObject3 Dependencies

Required

gobject-introspection-1.68.0 and PyCairo-1.20.1 (Python 3 module)

Optional (for the tests)

pep8, pyflakes, and pytest

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pygobject3

Installation of PyGObject3

First, remove a faulty test: 

mv -v tests/test_gdbus.py{,.nouse}

Install pygobject3 by running the following commands: 

mkdir build &&
cd    build &&

meson --prefix=/usr --buildtype=release .. &&
ninja

To test the results, issue: ninja test. An already active graphical session with a bus address is necessary to run the tests. One test, tests/test_gdbus.py, is known to fail.

Now, as the root user: 

ninja install

Command Explanations

--buildtype=release: Specify a buildtype suitable for stable releases of the package, as the default may produce unoptimized binaries.

Contents

Installed Programs: None
Installed Library: /usr/lib/python3.9/site-packages/gi/_gi{,_cairo}.cpython-39-<arch>-linux-gnu.so
Installed Directories: /usr/include/pygobject-3.0 and /usr/lib/python3.9/site-packages/{gi,pygtkcompat}

PyGTK-2.24.0

Introduction to PyGTK Module

PyGTK lets you to easily create programs with a graphical user interface using the Python programming language.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

PyGTK Dependencies

Required

PyGObject-2.28.7 and Python-2.7.18

Required (atk module)

ATK-2.36.0

Required (pango module)

Pango-1.48.9

Required (pangocairo module)

PyCairo-1.18.2 and Pango-1.48.9

Required (gtk and gtk.unixprint modules)

PyCairo-1.18.2 and GTK+-2.24.33.

Required (gtk.glade module)

PyCairo-1.18.2 and libglade-2.6.4.

Optional

NumPy

Optional (to Build Documentation)

libxslt-1.1.34

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pygtk

Installation of PyGTK

First, adapt PyGTK to changes in Pango by removing undefined APIs: 

sed -i '1394,1402 d' pango.defs

Install PyGTK by running the following commands: 

./configure --prefix=/usr &&
make

The tests must be run from an active X display. If this is so, issue: make check.

Now, as the root user: 

make install

Command Explanations

--enable-docs: This option enables rebuilding the html documentation if libxslt-1.1.34 is installed.

Contents

Installed Programs: pygtk-codegen-2.0 and pygtk-demo.
Installed Libraries: atk.so, _gtk.so, glade.so, gtkunixprint.so, pango.so and pangocairo.so.
Installed Directories: /usr/include/pygtk-2.0, /usr/lib/pygtk, /usr/lib/python2.7/site-packages/gtk-2.0, /usr/share/gtk-doc/html/pygtk and /usr/share/pygtk.

Short Descriptions

pygtk-codegen-2.0

is a wrapper script to run the PyGTK codegen module

pygtk-demo

is a Python wrapper to run the PyGTK demo program

PyXDG-0.27

Introduction to PyXDG Module

PyXDG is a Python library to access freedesktop.org standards.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

PyXDG Dependencies

Optional

Python-2.7.18

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/pyxdg

Installation of PyXDG

To install the module, run the following command as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Directory: /usr/lib/python3.9/site-packages/xdg

libxml2-2.9.12 (for its Python2 module)

Introduction to the libxml2 Python2 module

These instructions provide the Python2 bindings for libxml2: the Python3 bindings are built as part of libxml2-2.9.12 and most packages in the book do not use these bindings for the older Python2.

By building these bindings after libxml2-2.9.12 has been installed, there is no need to rebuild the time-consuming (if all dependencies are used) main part of that package.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

libxml2 (Python2) Dependencies

Required

libxml2-2.9.12 and Python-2.7.18

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/libxml2

Installation of libxml2 Python2 module

To build the Python 2 module, run: 

cd python             &&
python2 setup.py build

To install the Python 2 module, as the root user run: 

python2 setup.py install --optimize=1

Contents

Installed Programs: drv_libxml2.py, libxml2.py
Installed Libraries: libxml2mod.so
Installed Directories: None

Short Descriptions

drv_libxml2.py

is a SAX Python2 driver for libxml2

libxml2.py

is the Python2 binding for libxml2

libxml2mod.so

is the interface for Python2 to use libxml2.so

lxml-4.6.3

Introduction to lxml

lxml provides Python bindings for libxslt-1.1.34 and libxml2-2.9.12.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

lxml Dependencies

Required

libxslt-1.1.34

Recommended

Python-2.7.18

Optional (to run more tests)

GDB-10.2, Valgrind-3.17.0, and cssselect

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/lxml

Installation of lxml

[Note]

Note

Both Python 2 and Python 3 modules can be built and installed without any conflicts.

To build both Python 2 and Python 3 modules, run: 

python2 setup.py build &&
python3 setup.py build

If you wish to run the tests, enter: make PYTHON=python2 test and make PYTHON=python3 test. This will rebuild the package for inplace use before running the tests.

To install both modules, issue the following commands as the root user: 

python2 setup.py install --optimize=1 &&
python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: None
Installed Directories: /usr/lib/python2.7/site-packages/lxml, /usr/lib/python2.7/site-packages/lxml-4.6.3-py2.7-linux-$ARCH.egg-info and/or /usr/lib/python3.9/site-packages/lxml, /usr/lib/python3.9/site-packages/lxml-4.6.3-py3.9-linux-$ARCH.egg-info

MarkupSafe-2.0.1

Introduction to MarkupSafe Module

MarkupSafe is a Python module that implements a XML/HTML/XHTML Markup safe string.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/MarkupSafe

Installation of MarkupSafe

Install MarkupSafe with the following commands: 

python3 setup.py build

Then, as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: None
Installed Directories: /usr/lib/python3.9/site-packages/markupsafe and /usr/lib/python3.9/site-packages/MarkupSafe-2.0.1-py3.9.egg-info

Jinja2-3.0.1

Introduction to Jinja2 Module

Jinja2 is a Python module that implements a simple pythonic template language.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

Jinja2 Dependencies

Required

MarkupSafe-2.0.1

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/Jinja2

Installation of Jinja2

To install the Python 3 module, run the following command as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: None
Installed Directories: /usr/lib/python3.9/site-packages/Jinja2 and /usr/lib/python3.9/site-packages/Jinja2-3.0.1-py3.9.egg-info

Mako-1.1.5

Introduction to Mako Module

Mako is a Python module that implements hyperfast and lightweight templating for the Python platform.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

Mako Dependencies

Required

MarkupSafe-2.0.1

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/Mako

Installation of Mako

To install the Python 3 module, run the following command as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: mako-render
Installed Libraries: None
Installed Directories: /usr/lib/python3.9/site-packages/Mako-1.1.5-py3.9.egg

python-slip-0.6.5

Introduction to python-slip Module

python-slip provides convenience, extension and workaround code for Python and some Python modules.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

python-slip Dependencies

Required

D-Bus Python-1.2.18, decorator-5.0.9, and six-1.16.0

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/python-slip

Installation of python-slip

To build the python-slip module, run the following commands: 

sed 's/@VERSION@/0.6.5/' setup.py.in > setup.py &&
python3 setup.py build

To install the python-slip module, run the following command as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: usr/lib/python3.9/site-packages/python-slip-0.6.5-py3.9.egg-info and usr/lib/python3.9/site-packages/python-slip.dbus-0.6.5-py3.9.egg-info
Installed Directories: /usr/lib/python3.9/site-packages/python-slip

PyYAML-5.3.1

Introduction to PyYAML Module

PyYAML is a Python module that implements the next generation YAML parser and emitter.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

PyYAML Dependencies

Required

libyaml-0.2.5

Optional

Python-2.7.18

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/PyYAML

Installation of PyYAML

Install PyYAML with the following commands: 

python3 setup.py build

Now, as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: _yaml.so
Installed Directories: /usr/lib/python2.7/site-packages/yaml and/or /usr/lib/python3.9/site-packages/yaml

Scour-0.38.2

Introduction to Scour

Scour is an SVG (Scalable Vector Graphics) optimizer/cleaner that reduces their size by optimizing structure and removing unnecessary data.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

Scour Dependencies

Required

six-1.16.0 (will be automatically downloaded and installed if not already present)

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/scour

Installation of scour

To build the Python 3 module run the following commands: 

python3 setup.py build

To partially test the results, issue: python3 test_css.py. If you have installed Six you can run the main tests by issuing: python3 test_scour.py.

To install the module, run the following command as the root user: 

python3 setup.py install --optimize=1

Contents

Installed Programs: scour
Installed Libraries: None
Installed Directories: None

Short Descriptions

scour

is a program to optimize and clean SVG files

six-1.16.0

Introduction to Six Module

Six is a Python 2 and 3 compatibility library.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

Six Dependencies

Recommended Dependencies

Python-2.7.18

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/six

Installation of six

[Note]

Note

Both Python 2 and Python 3 modules can be built and installed without any conflicts.

Install six for Python 2 and Python 3 by running the following commands: 

python2 setup.py build &&
python3 setup.py build

This package does not come with a test suite.

Now, as the root user: 

python2 setup.py install --optimize=1 &&
python3 setup.py install --optimize=1

Contents

Installed Programs: None
Installed Libraries: None
Installed Directories: /usr/lib/python2.7/site-packages/six-1.16.0-py2.7.egg and/or /usr/lib/python3.9/site-packages/six-1.16.0-py3.9.egg

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