Initial commit

.github/workflows/appimage.yml

@@ -0,0 +1,69 @@
+name: AppImage
+on:
+  push:
+    paths:
+    - '.github/workflows/appimage.yml'
+    - 'python_appimage'
+
+jobs:
+  Build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        image: ['1', '2010', '2014']
+        arch: [x86_64, i686]
+        tag: [cp27-cp27m, cp27-cp27mu, cp35-cp35m, cp36-cp36m, cp37-cp37m,
+              cp38-cp38]
+        exclude:
+          - image: '2014'
+            tag: cp27-cp27m
+          - image: '2014'
+            tag: cp27-cp27mu
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Build
+      run: |
+        # Build the AppImage
+        python -m python_appimage manylinux \
+          ${{ matrix.image }}_${{ matrix.arch }} \
+          ${{ matrix.tag }}
+
+        # Export the AppImage name and the Python version
+        appimage=$(ls python*.AppImage)
+        SCRIPT=$(cat <<-END
+        version = '${appimage}'[6:].split('.', 2)
+        print('{:}.{:}'.format(*version[:2]))
+        END
+        )
+        version=$(python -c "${SCRIPT}")
+
+        echo "::set-env name=PYTHON_APPIMAGE::${appimage}"
+        echo "::set-env name=PYTHON_VERSION::${version}"
+
+    - uses: actions/upload-artifact@v1
+      with:
+        name: python${{ env.PYTHON_VERSION }}-appimages
+        path: ${{ env.PYTHON_APPIMAGE }}
+
+  Release:
+    needs: Build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        version: [2.7, 3.4, 3.5, 3.6, 3.7, 3.8]
+
+    steps:
+    - uses: actions/download-artifact@v1
+      with:
+        name: python${{ matrix.version }}-appimages
+
+    - name: Release
+      uses: marvinpinto/action-automatic-releases@latest
+      with:
+        automatic_release_tag: python${{ matrix.version }}
+        title: Python ${{ matrix.version }}
+        files: |
+          python${{ matrix.version }}-appimages/python*.AppImage
+        repo_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/delete-artifacts.yml

@@ -0,0 +1,13 @@
+name: Delete artifacts
+on:
+  schedule:
+    - cron: '0 */6 * * *' # every 6 hours
+
+jobs:
+  delete-artifacts:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: kolpav/purge-artifacts-action@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          expire-in: 0days

.gitignore

@@ -0,0 +1,7 @@
+*.AppImage
+*.pyc
+*.pyo
+__pycache__
+AppDir
+python_appimage/bin
+python_appimage/data/excludelist

LICENSE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
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+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
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+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

README.md

@@ -0,0 +1,7 @@
+# AppImage distributions of Python
+
+_Work in progress - Check the [releases][RELEASES] area for available
+AppImages._
+
+
+[RELEASES]: https://github.com/niess/python-appimage/releases

python_appimage/__main__.py

@@ -0,0 +1,58 @@
+import argparse
+from importlib import import_module
+import logging
+import os
+import sys
+
+from .deps import fetch_all
+
+
+__all__ = ['main']
+
+
+def main():
+    # Parse arguments
+    parser = argparse.ArgumentParser(
+        description='Bundle a Python install into an AppImage')
+    subparsers = parser.add_subparsers(title='builder',
+                                       help='Appimage builder',
+                                       dest='builder')
+
+    parser.add_argument('-q', '--quiet', help='disable logging',
+        dest='verbosity', action='store_const', const=logging.ERROR)
+    parser.add_argument('-v', '--verbose', help='print extra information',
+        dest='verbosity', action='store_const', const=logging.DEBUG)
+
+    parser.add_argument('--deploy', help=argparse.SUPPRESS,
+                        action='store_true', default=False)
+
+    local_parser = subparsers.add_parser('local')
+    local_parser.add_argument('-d', '--destination',
+                              help='AppImage destination')
+    local_parser.add_argument('-p', '--python', help='python executable')
+
+    manylinux_parser = subparsers.add_parser('manylinux')
+    manylinux_parser.add_argument('tag', help='manylinux image tag')
+    manylinux_parser.add_argument('abi', help='python ABI')
+
+    manylinux_parser.add_argument('--contained', help=argparse.SUPPRESS,
+                                  action='store_true', default=False)
+
+    args = parser.parse_args()
+
+    # Configure the verbosity
+    if args.verbosity:
+        logging.getLogger().setLevel(args.verbosity)
+
+    if args.deploy:
+        # Fetch dependencies and exit
+        fetch_all()
+        sys.exit(0)
+
+    # Call the AppImage builder
+    builder = import_module('.' + args.builder, package=__package__)
+    builder.build(*builder._unpack_args(args))
+
+
+if __name__ == "__main__":
+    main()

python_appimage/build.py

@@ -0,0 +1,55 @@
+import os
+import subprocess
+import sys
+
+from .deps import APPIMAGETOOL, ensure_appimagetool
+from .docker import docker_run
+from .fs import copy_tree
+from .log import debug, log
+from .tmp import TemporaryDirectory
+
+
+__all__ = ['build_appimage']
+
+
+def build_appimage(appdir=None, destination=None):
+    '''Build an AppImage from an AppDir
+    '''
+    if appdir is None:
+        appdir = 'AppDir'
+
+    log('BUILD', appdir)
+    ensure_appimagetool()
+
+    cmd = [APPIMAGETOOL, appdir]
+    if destination is not None:
+        cmd.append(destination)
+    cmd = ' '.join(cmd)
+
+    debug('SYSTEM', cmd)
+    p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
+                                          stderr=subprocess.STDOUT)
+    stdout = []
+    while True:
+        out = p.stdout.readline()
+        try:
+            out = out.decode()
+        except AttributeError:
+            out = str(out)
+        stdout.append(out)
+        if out == '' and p.poll() is not None:
+            break
+        elif out:
+            out = out.replace('%', '%%')[:-1]
+            for line in out.split(os.linesep):
+                if line.startswith('WARNING'):
+                    log('WARNING', line[9:])
+                elif line.startswith('Error'):
+                    raise RuntimeError(line)
+                else:
+                    debug('APPIMAGE', line)
+    rc = p.poll()
+    if rc != 0:
+        print(''.join(stdout))
+        sys.stdout.flush()
+        raise RuntimeError('Could not build AppImage')

python_appimage/data/apprun.sh

@@ -0,0 +1,9 @@
+#! /bin/bash
+
+# Export APPRUN if running from an extracted image
+self="$(readlink -f -- $0)"
+here="${self%/*}"
+APPDIR="${APPDIR:-${here}}"
+
+# Call the python wrapper
+"${APPDIR}/usr/bin/python{{version}}" "$@"

python_appimage/data/python-wrapper.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+SCRIPT="$(readlink -f -- $0)"
+SCRIPTPATH="$(dirname $SCRIPT)"
+APPDIR="${APPDIR:-$SCRIPTPATH/../..}"
+
+# Configure the environment
+if [ -d "${APPDIR}/usr/share/tcltk" ]; then
+    export TCL_LIBRARY="$(ls -d ${APPDIR}/usr/share/tcltk/tcl* | tail -1)"
+    export TK_LIBRARY="$(ls -d ${APPDIR}/usr/share/tcltk/tk* | tail -1)"
+    export TKPATH="${TK_LIBRARY}"
+fi
+
+# Resolve symlinks within the image
+prefix="opt/{{PYTHON}}"
+nickname="{{PYTHON}}"
+executable="${APPDIR}/${prefix}/bin/${nickname}"
+
+if [ -L "${executable}" ]; then
+    nickname="$(basename $(readlink -f ${executable}))"
+fi
+
+for opt in "$@"
+do
+    [ "${opt:0:1}" != "-" ] && break
+    if [[ "${opt}" =~ "I" ]] || [[ "${opt}" =~ "E" ]]; then
+        # Environment variables are disabled ($PYTHONHOME). Let's run in a safe
+        # mode from the raw Python binary inside the AppImage
+        "$APPDIR/${prefix}/bin/${nickname}" "$@"
+        exit "$?"
+    fi
+done
+
+# But don't resolve symlinks from outside!
+if [[ "${ARGV0}" =~ "/" ]]; then
+    executable="$(cd $(dirname ${ARGV0}) && pwd)/$(basename ${ARGV0})"
+elif [[ "${ARGV0}" != "" ]]; then
+    executable=$(which "${ARGV0}")
+fi
+
+# Wrap the call to Python in order to mimic a call from the source
+# executable ($ARGV0), but potentially located outside of the Python
+# install ($PYTHONHOME)
+(PYTHONHOME="${APPDIR}/${prefix}" exec -a "${executable}" "$APPDIR/${prefix}/bin/${nickname}" "$@")
+exit "$?"

python_appimage/data/python.appdata.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+    <id>python{{fullversion}}</id>
+    <metadata_license>Python-2.0</metadata_license>
+    <project_license>Python-2.0</project_license>
+    <name>Python {{version}}</name>
+    <summary>A Python {{version}} runtime</summary>
+    <description>
+        <p>  A relocated Python {{version}} installation running from an
+             AppImage.
+        </p>
+    </description>
+    <launchable type="desktop-id">python.desktop</launchable>
+    <url type="homepage">https://python.org</url>
+    <provides>
+        <binary>python{{version}}</binary>
+    </provides>
+</component>

python_appimage/data/python.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Type=Application
+Name=python{{fullversion}}
+Exec=python{{version}}
+Comment=A Python {{version}} runtime
+Icon=python
+Categories=Development;
+Terminal=true

python_appimage/data/sitecustomize.py

@@ -0,0 +1,26 @@
+"""Hook for cleaning the paths detected by Python
+"""
+import os
+import sys
+
+
+def clean_path():
+    site_packages = "/usr/local/lib/python{:}.{:}/site-packages".format(
+        *sys.version_info[:2])
+    binaries_path = "/usr/local/bin"
+    env_path = os.getenv("PYTHONPATH")
+    if env_path is None:
+        env_path = []
+    else:
+        env_path = [os.path.realpath(path) for path in env_path.split(":")]
+
+    if ((os.path.dirname(sys.executable) != binaries_path) and
+        (site_packages not in env_path)):
+        # Remove the builtin site-packages from the path
+        try:
+            sys.path.remove(site_packages)
+        except ValueError:
+            pass
+
+
+clean_path()

python_appimage/deps.py

@@ -0,0 +1,99 @@
+import os
+import platform
+import stat
+
+from .fs import copy_file, copy_tree, make_tree
+from .log import log
+from .system import system
+from .tmp import TemporaryDirectory
+from .url import urlretrieve
+
+
+__all__ = ['APPIMAGETOOL', 'EXCLUDELIST', 'PATCHELF', 'PREFIX',
+           'ensure_appimagetool', 'ensure_excludelist', 'ensure_patchelf',
+           'fetch_all']
+
+
+_ARCH = platform.machine()
+
+
+PREFIX = os.path.abspath(os.path.dirname(__file__))
+'''Package installation prefix'''
+
+APPIMAGETOOL = PREFIX + '/bin/appimagetool.' + _ARCH
+'''Location of the appimagetool binary'''
+
+EXCLUDELIST = PREFIX + '/data/excludelist'
+'''AppImage exclusion list'''
+
+PATCHELF = PREFIX + '/bin/patchelf.' + _ARCH
+'''Location of the PatchELF binary'''
+
+
+def ensure_appimagetool():
+    '''Fetch appimagetool from the web if not available locally
+    '''
+    if os.path.exists(APPIMAGETOOL):
+        return
+
+    appimage = 'appimagetool-{0:}.AppImage'.format(_ARCH)
+    baseurl = 'https://github.com/AppImage/AppImageKit/releases/'              \
+              'download/continuous'
+    log('INSTALL', 'appimagetool from %s', baseurl)
+
+    appdir_name = 'appimagetool-{:}.appdir'.format(_ARCH)
+    appdir = os.path.join(os.path.dirname(APPIMAGETOOL), appdir_name)
+    if not os.path.exists(appdir):
+        make_tree(os.path.dirname(appdir))
+        with TemporaryDirectory() as tmpdir:
+            urlretrieve(os.path.join(baseurl, appimage), appimage)
+            os.chmod(appimage, stat.S_IRWXU)
+            system('./' + appimage, '--appimage-extract')
+            copy_tree('squashfs-root', appdir)
+
+    if not os.path.exists(APPIMAGETOOL):
+        os.symlink(appdir_name + '/AppRun', APPIMAGETOOL)
+
+
+# Installers for dependencies
+def ensure_excludelist():
+    '''Fetch the AppImage excludelist from the web if not available locally
+    '''
+    if os.path.exists(EXCLUDELIST):
+        return
+
+    baseurl = 'https://raw.githubusercontent.com/probonopd/AppImages/master'
+    log('INSTALL', 'excludelist from %s', baseurl)
+    urlretrieve(baseurl + '/excludelist', EXCLUDELIST)
+    mode = os.stat(EXCLUDELIST)[stat.ST_MODE]
+    os.chmod(EXCLUDELIST, mode | stat.S_IWGRP | stat.S_IWOTH)
+
+
+def ensure_patchelf():
+    '''Fetch PatchELF from the web if not available locally
+    '''
+    if os.path.exists(PATCHELF):
+        return
+
+    iarch = 'i386' if _ARCH == 'i686' else _ARCH
+    appimage = 'patchelf-{0:}.AppImage'.format(iarch)
+    baseurl = 'https://github.com/niess/patchelf.appimage/releases/download'
+    log('INSTALL', 'patchelf from %s', baseurl)
+
+    dirname = os.path.dirname(PATCHELF)
+    patchelf = dirname + '/patchelf.' + _ARCH
+    make_tree(dirname)
+    with TemporaryDirectory() as tmpdir:
+        urlretrieve(os.path.join(baseurl, 'rolling', appimage), appimage)
+        os.chmod(appimage, stat.S_IRWXU)
+        system('./' + appimage, '--appimage-extract')
+        copy_file('squashfs-root/usr/bin/patchelf', patchelf)
+    os.chmod(patchelf, stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
+
+
+def fetch_all():
+    '''Fetch all dependencies from the web
+    '''
+    ensure_appimagetool()
+    ensure_excludelist()
+    ensure_patchelf()

python_appimage/docker.py

@@ -0,0 +1,49 @@
+import os
+import platform
+import stat
+import subprocess
+import sys
+
+from .log import log
+from .system import system
+
+
+def docker_run(image, extra_cmds):
+    '''Execute commands within a docker container
+    '''
+
+    ARCH = platform.machine()
+    if image.endswith(ARCH):
+        bash_arg = '/pwd/run.sh'
+    elif image.endswith('i686') and ARCH == 'x86_64':
+        bash_arg = '-c "linux32 /pwd/run.sh"'
+    elif image.endswith('x86_64') and ARCH == 'i686':
+        bash_arg = '-c "linux64 /pwd/run.sh"'
+    else:
+        raise ValueError('Unsupported Docker image: ' + image)
+
+    log('PULL', image)
+    system('docker', 'pull', image)
+
+    script = [
+        'set -e',
+        'trap "chown -R {:}:{:} *" EXIT'.format(os.getuid(),
+                                                os.getgid()),
+        'cd /pwd'
+    ]
+
+    script += extra_cmds
+
+    with open('run.sh', 'w') as f:
+        f.write(os.linesep.join(script))
+    os.chmod('run.sh', stat.S_IRWXU)
+
+    cmd = ' '.join(('docker', 'run', '--mount',
+                    'type=bind,source={:},target=/pwd'.format(os.getcwd()),
+                    image, '/bin/bash', bash_arg))
+
+    log('RUN', image)
+    p = subprocess.Popen(cmd, shell=True)
+    p.communicate()
+    if p.returncode != 0:
+        sys.exit(p.returncode)

python_appimage/fs.py

@@ -0,0 +1,75 @@
+from distutils.dir_util import mkpath as _mkpath, remove_tree as _remove_tree
+from distutils.file_util import copy_file as _copy_file
+import errno
+import os
+
+from .log import debug
+
+
+__all__ = ['copy_file', 'copy_tree', 'make_tree', 'remove_file', 'remove_tree']
+
+
+# Wrap some file system related functions
+def make_tree(path):
+    '''Create directories recursively if they don't exist
+    '''
+    debug('MKDIR', path)
+    return _mkpath(path)
+
+
+def copy_file(source, destination, update=False, verbose=True):
+    '''
+    '''
+    name = os.path.basename(source)
+    if verbose:
+        debug('COPY', '%s from %s', name, os.path.dirname(source))
+    _copy_file(source, destination, update=update)
+
+
+def copy_tree(source, destination):
+    '''Copy (or update) a directory preserving symlinks
+    '''
+    if not os.path.exists(source):
+        raise OSError(errno.ENOENT, 'No such file or directory: ' + source)
+
+    name = os.path.basename(source)
+    debug('COPY', '%s from %s', name, os.path.dirname(source))
+
+    for root, _, files in os.walk(source):
+        relpath = os.path.relpath(root, source)
+        dirname = os.path.join(destination, relpath)
+        _mkpath(dirname)
+        for file_ in files:
+            src = os.path.join(root, file_)
+            dst = os.path.join(dirname, file_)
+            if os.path.islink(src):
+                try:
+                    os.remove(dst)
+                except OSError:
+                    pass
+                linkto = os.readlink(src)
+                os.symlink(linkto, dst)
+            else:
+                copy_file(src, dst, update=True, verbose=False)
+
+
+def remove_file(path):
+    '''remove a file if it exists
+    '''
+    name = os.path.basename(path)
+    debug('REMOVE', '%s from %s', name, os.path.dirname(path))
+    try:
+        os.remove(path)
+    except OSError:
+        pass
+
+
+def remove_tree(path):
+    '''remove a directory if it exists
+    '''
+    name = os.path.basename(path)
+    debug('REMOVE', '%s from %s', name, os.path.dirname(path))
+    try:
+        _remove_tree(path)
+    except OSError:
+        pass

python_appimage/local.py

@@ -0,0 +1,40 @@
+import glob
+import os
+import shutil
+
+from .build import build_appimage
+from .relocate import relocate_python
+from .tmp import TemporaryDirectory
+
+
+__all__ = ['build']
+
+
+def _unpack_args(args):
+    '''Unpack command line arguments
+    '''
+    return args.python, args.destination
+
+
+def build(python=None, destination=None):
+    '''Build a Python AppImage using a local installation
+    '''
+    pwd = os.getcwd()
+    with TemporaryDirectory() as tmpdir:
+        relocate_python(python)
+
+        dirname, pattern = None, None
+        if destination is not None:
+            dirname, destination = os.path.split(destination)
+            pattern = destination
+        if pattern is None:
+            pattern = 'python*.AppImage'
+        build_appimage(destination=destination)
+        appimage = glob.glob(pattern)[0]
+        if dirname is None:
+            dirname = pwd
+        else:
+            os.chdir(pwd)
+            dirname = os.path.abspath(dirname)
+            os.chdir(tmpdir)
+        shutil.move(appimage, os.path.join(dirname, appimage))

python_appimage/log.py

@@ -0,0 +1,23 @@
+import logging
+
+
+__all__ = ['debug', 'log']
+
+
+# Configure the logger
+logging.basicConfig(
+    format='[%(asctime)s] %(message)s',
+    level=logging.INFO
+)
+
+
+def log(task, fmt, *args):
+    '''Log a standard message
+    '''
+    logging.info('%-8s ' + fmt, task, *args)
+
+
+def debug(task, fmt, *args):
+    '''Report some debug information
+    '''
+    logging.debug('%-8s ' + fmt, task, *args)

python_appimage/manylinux.py

@@ -0,0 +1,94 @@
+import glob
+import os
+import platform
+import shutil
+import sys
+
+from .build import build_appimage
+from .docker import docker_run
+from .fs import copy_tree
+from .relocate import relocate_python
+from .tmp import TemporaryDirectory
+
+
+__all__ = ['build']
+
+
+def _unpack_args(args):
+    '''Unpack command line arguments
+    '''
+    return args.tag, args.abi, args.contained
+
+
+def _get_appimage_name(abi, tag):
+    '''Format the Python AppImage name using the ABI and OS tags
+    '''
+    # Read the Python version from the desktop file
+    desktop = glob.glob('AppDir/python*.desktop')[0]
+    fullversion = desktop[13:-8]
+
+    # Finish building the AppImage on the host. See below.
+    return 'python{:}-{:}-manylinux{:}.AppImage'.format(
+        fullversion, abi, tag)
+
+
+def build(tag, abi, contained=False):
+    '''Build a Python AppImage using a manylinux docker image
+    '''
+
+    if not contained:
+        # Forward the build to a Docker image
+        image = 'quay.io/pypa/manylinux' + tag
+        python = '/opt/python/' + abi + '/bin/python'
+
+        pwd = os.getcwd()
+        dirname = os.path.abspath(os.path.dirname(__file__))
+        with TemporaryDirectory() as tmpdir:
+            copy_tree(dirname, 'python_appimage')
+
+            argv = ' '.join(sys.argv[1:])
+            script = (
+                'yum --disablerepo="*" --enablerepo=base install -q -y tk',
+                python + ' -m python_appimage ' + argv + ' --contained',
+                ''
+            )
+            docker_run(image, script)
+
+            appimage_name = _get_appimage_name(abi, tag)
+
+            if tag.startswith('1_'):
+                # appimagetool does not run on manylinux1 (CentOS 5). Below is
+                # a patch for this specific case.
+                arch = tag.split('_', 1)[-1]
+                if arch == platform.machine():
+                    # Pack the image directly from the host
+                    build_appimage(destination=appimage_name)
+                else:
+                    # Use a manylinux2010 Docker image (CentOS 6) in order to
+                    # pack the image.
+                    script = (
+                        python + ' -m python_appimage ' + argv + ' --contained',
+                        ''
+                    )
+                    docker_run('quay.io/pypa/manylinux2010_' + arch, script)
+
+            shutil.move(appimage_name, os.path.join(pwd, appimage_name))
+
+    else:
+        # We are running within a manylinux Docker image
+        is_manylinux1 = tag.startswith('1_')
+
+        if not os.path.exists('AppDir'):
+            # Relocate the targeted manylinux Python installation
+            relocate_python()
+        else:
+            # This is a second stage build. The Docker image has actually been
+            # overriden (see above).
+            is_manylinux1 = False
+
+        if is_manylinux1:
+            # Build only the AppDir when running within a manylinux1 Docker
+            # image because appimagetool does not support CentOS 5.
+            pass
+        else:
+            build_appimage(destination=_get_appimage_name(abi, tag))

python_appimage/relocate.py

@@ -0,0 +1,268 @@
+import glob
+import os
+import re
+import shutil
+import sys
+
+from .deps import EXCLUDELIST, PATCHELF, PREFIX, ensure_excludelist,           \
+                  ensure_patchelf
+from .fs import make_tree, copy_file, copy_tree, remove_file, remove_tree
+from .log import debug, log
+from .system import ldd, system
+
+
+__all__ = ["patch_binary", "relocate_python"]
+
+
+_template_pattern = re.compile('[{][{]([^{}]+)[}][}]')
+
+
+def _copy_template(name, destination, **kwargs):
+    '''Copy a template file and substitue keywords
+    '''
+    debug('COPY', '%s as %s', name, destination)
+    source = os.path.join(PREFIX, 'data', name)
+    with open(source) as f:
+        template = f.read()
+
+    def matcher(m):
+        return kwargs[m.group(1)]
+
+    txt = _template_pattern.sub(matcher, template)
+
+    with open(destination, 'w') as f:
+        f.write(txt)
+
+    shutil.copymode(source, destination)
+
+
+_excluded_libs = None
+'''Appimage excluded libraries, i.e. assumed to be installed on the host
+'''
+
+
+def patch_binary(path, libdir, recursive=True):
+    '''Patch the RPATH of a binary and and fetch its dependencies
+    '''
+    global _excluded_libs
+
+    if _excluded_libs is None:
+        ensure_excludelist()
+        excluded = []
+        with open(EXCLUDELIST) as f:
+            for line in f:
+                line = line.strip()
+                if (not line) or line.startswith('#'):
+                    continue
+                excluded.append(line.split(' ', 1)[0])
+        _excluded_libs = excluded
+    else:
+        excluded = _excluded_libs
+
+    ensure_patchelf()
+    rpath = '\'' + system(PATCHELF, '--print-rpath', path) + '\''
+    relpath = os.path.relpath(libdir, os.path.dirname(path))
+    relpath = '' if relpath == '.' else '/' + relpath
+    expected = '\'$ORIGIN' + relpath + '\''
+    if rpath != expected:
+        system(PATCHELF, '--set-rpath', expected, path)
+
+    deps = ldd(path)
+    for dep in deps:
+        name = os.path.basename(dep)
+        if name in excluded:
+            continue
+        target = libdir + '/' + name
+        if not os.path.exists(target):
+            libname = os.path.basename(dep)
+            copy_file(dep, target)
+            if recursive:
+                patch_binary(target, libdir, recursive=True)
+
+
+def relocate_python(python=None, appdir=None):
+    '''Bundle a Python install inside an AppDir
+    '''
+
+    if python is not None:
+        if not os.path.exists(python):
+            raise ValueError('could not access ' + python)
+
+    if appdir is None:
+        appdir = 'AppDir'
+
+
+    # Set some key variables & paths
+    if python:
+        FULLVERSION = system(python, '-c',
+            '"import sys; print(\'{:}.{:}.{:}\'.format(*sys.version_info[:3]))"')
+        FULLVERSION = FULLVERSION.strip()
+    else:
+        FULLVERSION = '{:}.{:}.{:}'.format(*sys.version_info[:3])
+    VERSION = '.'.join(FULLVERSION.split('.')[:2])
+    PYTHON_X_Y = 'python' + VERSION
+
+    APPDIR = os.path.abspath(appdir)
+    APPDIR_BIN = APPDIR + '/usr/bin'
+    APPDIR_LIB = APPDIR + '/usr/lib'
+    APPDIR_SHARE = APPDIR + '/usr/share'
+
+    if python:
+        HOST_PREFIX = system(
+            python, '-c', '"import sys; print(sys.prefix)"').strip()
+    else:
+        HOST_PREFIX = sys.prefix
+    HOST_BIN = HOST_PREFIX + '/bin'
+    HOST_INC = HOST_PREFIX + '/include/' + PYTHON_X_Y
+    if not os.path.exists(HOST_INC):
+        HOST_INC += 'm'
+    HOST_LIB = HOST_PREFIX + '/lib'
+    HOST_PKG = HOST_LIB + '/' + PYTHON_X_Y
+
+    PYTHON_PREFIX = APPDIR + '/opt/' + PYTHON_X_Y
+    PYTHON_BIN = PYTHON_PREFIX + '/bin'
+    PYTHON_INC = PYTHON_PREFIX + '/include/' + PYTHON_X_Y
+    PYTHON_LIB = PYTHON_PREFIX + '/lib'
+    PYTHON_PKG = PYTHON_LIB + '/' + PYTHON_X_Y
+
+
+    # Copy the running Python's install
+    log('CLONE', '%s from %s', PYTHON_X_Y, HOST_PREFIX)
+
+    source = HOST_BIN + '/' + PYTHON_X_Y
+    if not os.path.exists(source):
+        raise ValueError('could not find {0:} executable'.format(PYTHON_X_Y))
+    make_tree(PYTHON_BIN)
+    target = PYTHON_BIN + '/' + PYTHON_X_Y
+    copy_file(source, target, update=True)
+
+    copy_tree(HOST_PKG, PYTHON_PKG)
+    copy_tree(HOST_INC, PYTHON_INC)
+
+
+    # Remove unrelevant files
+    log('PRUNE', '%s packages', PYTHON_X_Y)
+
+    remove_file(PYTHON_LIB + '/lib' + PYTHON_X_Y + '.a')
+    remove_tree(PYTHON_PKG + '/test')
+    remove_file(PYTHON_PKG + '/dist-packages')
+    matches = glob.glob(PYTHON_PKG + '/config-*-linux-*')
+    for path in matches:
+        remove_tree(path)
+
+
+    # Wrap the Python executable
+    log('WRAP', '%s executable', PYTHON_X_Y)
+
+    with open(PREFIX + '/data/python-wrapper.sh') as f:
+        text = f.read()
+    text = text.replace('{{PYTHON}}', PYTHON_X_Y)
+
+    make_tree(APPDIR_BIN)
+    target = APPDIR_BIN + '/' + PYTHON_X_Y
+    with open(target, 'w') as f:
+        f.write(text)
+    shutil.copymode(PYTHON_BIN + '/' + PYTHON_X_Y, target)
+
+
+    # Set a hook in Python for cleaning the path detection
+    log('HOOK', '%s site packages', PYTHON_X_Y)
+
+    sitepkgs = PYTHON_PKG + '/site-packages'
+    make_tree(sitepkgs)
+    copy_file(PREFIX + '/data/sitecustomize.py', sitepkgs)
+
+
+    # Set RPATHs and bundle external libraries
+    log('LINK', '%s C-extensions', PYTHON_X_Y)
+
+    make_tree(APPDIR_LIB)
+    patch_binary(PYTHON_BIN + '/' + PYTHON_X_Y, APPDIR_LIB, recursive=False)
+    for root, dirs, files in os.walk(PYTHON_PKG + '/lib-dynload'):
+        for file_ in files:
+            if not file_.endswith('.so'):
+                continue
+            patch_binary(os.path.join(root, file_), APPDIR_LIB, recursive=False)
+
+    for file_ in glob.iglob(APPDIR_LIB + '/lib*.so*'):
+        patch_binary(file_, APPDIR_LIB, recursive=True)
+
+
+    # Copy shared data for TCl/Tk
+    tkinter = glob.glob(PYTHON_PKG + '/lib-dynload/_tkinter*.so')
+    if tkinter:
+        tkinter = tkinter[0]
+        for dep in ldd(tkinter):
+            name = os.path.basename(dep)
+            if name.startswith('libtk'):
+                match = re.search('libtk([0-9]+[.][0-9]+)', name)
+                tk_version = match.group(1)
+                break
+        else:
+            raise RuntimeError('could not guess Tcl/Tk version')
+
+        tcltkdir = APPDIR_SHARE + '/tcltk'
+        if (not os.path.exists(tcltkdir + '/tcl' + tk_version)) or             \
+           (not os.path.exists(tcltkdir + '/tk' + tk_version)):
+            hostdir = '/usr/share/tcltk'
+            if os.path.exists(hostdir):
+                make_tree(APPDIR_SHARE)
+                copy_tree(hostdir, tcltkdir)
+            else:
+                make_tree(tcltkdir)
+                tclpath = '/usr/share/tcl' + tk_version
+                if not tclpath:
+                    raise ValueError('could not find ' + tclpath)
+                copy_tree(tclpath, tcltkdir + '/tcl' + tk_version)
+
+                tkpath = '/usr/share/tk' + tk_version
+                if not tkpath:
+                    raise ValueError('could not find ' + tkpath)
+                copy_tree(tkpath, tcltkdir + '/tk' + tk_version)
+
+
+    # Bundle the entry point
+    apprun = APPDIR + '/AppRun'
+    if not os.path.exists(apprun):
+        log('INSTALL', 'AppRun')
+        _copy_template('apprun.sh', apprun, version=VERSION)
+
+
+    # Bundle the desktop file
+    desktop_name = 'python{:}.desktop'.format(FULLVERSION)
+    desktop = os.path.join(APPDIR, desktop_name)
+    if not os.path.exists(desktop):
+        log('INSTALL', desktop_name)
+        apps = 'usr/share/applications'
+        appfile = '{:}/{:}/python{:}.desktop'.format(APPDIR, apps, FULLVERSION)
+        if not os.path.exists(appfile):
+            make_tree(os.path.join(APPDIR, apps))
+            _copy_template('python.desktop', appfile, version=VERSION,
+                                                      fullversion=FULLVERSION)
+        os.symlink(os.path.join(apps, desktop_name), desktop)
+
+
+    # Bundle icons
+    icons = 'usr/share/icons/hicolor/256x256/apps'
+    icon = os.path.join(APPDIR, 'python.png')
+    if not os.path.exists(icon):
+        log('INSTALL', 'python.png')
+        make_tree(os.path.join(APPDIR, icons))
+        copy_file(PREFIX + '/data/python.png',
+                  os.path.join(APPDIR, icons, 'python.png'))
+        os.symlink(os.path.join(icons, 'python.png'), icon)
+
+    diricon = os.path.join(APPDIR, '.DirIcon')
+    if not os.path.exists(diricon):
+        os.symlink('python.png', diricon)
+
+
+    # Bundle metadata
+    meta_name = 'python{:}.appdata.xml'.format(FULLVERSION)
+    meta_dir = os.path.join(APPDIR, 'usr/share/metainfo')
+    meta_file = os.path.join(meta_dir, meta_name)
+    if not os.path.exists(meta_file):
+        log('INSTALL', meta_name)
+        make_tree(meta_dir)
+        _copy_template('python.appdata.xml', meta_file, version=VERSION,
+                                                        fullversion=FULLVERSION)

python_appimage/system.py

@@ -0,0 +1,46 @@
+import os
+import re
+import subprocess
+
+from .log import debug
+
+
+__all__ = ['ldd', 'system']
+
+
+def _decode(s):
+    '''Decode Python 3 bytes as str
+    '''
+    try:
+        return s.decode()
+    except AttributeError:
+        return s
+
+
+def system(*args):
+    '''System call with capturing output
+    '''
+    cmd = ' '.join(args)
+    debug('SYSTEM', cmd)
+
+    p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
+                         stderr=subprocess.PIPE)
+    out, err = p.communicate()
+    if err:
+        err = _decode(err)
+        stripped = [line for line in err.split(os.linesep)
+                    if line and not line.startswith('fuse: warning:')]
+        if stripped:
+            raise RuntimeError(err)
+
+    return str(_decode(out).strip())
+
+
+_ldd_pattern = re.compile('=> (.+) [(]0x')
+
+
+def ldd(path):
+    '''Get dependencies list of dynamic libraries
+    '''
+    out = system('ldd', path)
+    return _ldd_pattern.findall(out)

python_appimage/tmp.py

@@ -0,0 +1,24 @@
+from contextlib import contextmanager as contextmanager
+import os
+import tempfile
+
+from .fs import remove_tree
+from .log import debug
+
+
+__all__ = ['TemporaryDirectory']
+
+
+@contextmanager
+def TemporaryDirectory():
+    '''Create a temporary directory (Python 2 wrapper)
+    '''
+    tmpdir = tempfile.mkdtemp(prefix='python-appimage-')
+    debug('MKDIR', tmpdir)
+    pwd = os.getcwd()
+    os.chdir(tmpdir)
+    try:
+        yield tmpdir
+    finally:
+        os.chdir(pwd)
+        remove_tree(tmpdir)

python_appimage/url.py

@@ -0,0 +1,28 @@
+import os
+try:
+    from urllib.request import urlretrieve as _urlretrieve
+except ImportError:
+    import urllib2
+    _urlretrieve = None
+
+from .log import debug
+
+
+__all__ = ['urlretrieve']
+
+
+def urlretrieve(url, filename=None):
+    '''Download a file to disk
+    '''
+    if filename is None:
+        filename = os.path.basename(url)
+        debug('DOWNLOAD', '%s from %s', name, os.path.dirname(url))
+    else:
+        debug('DOWNLOAD', '%s as %s', url, filename)
+
+    if _urlretrieve is None:
+        data = urllib2.urlopen(url).read()
+        with open(filename, 'w') as f:
+            f.write(data)
+    else:
+        _urlretrieve(url, filename)