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"""

This is an example of using PyInstaller packager to build

executable from one of CEF Python's examples (wxpython.py).

See README-pyinstaller.md for installing required packages.

To package example type: `python pyinstaller.py`.

"""

import os

import platform

import shutil

import sys

from subprocess import Popen

try:

import PyInstaller

except ImportError:

PyInstaller = None

raise SystemExit("Error: PyInstaller package missing. "

"To install type: pip install --upgrade pyinstaller")

EXE_EXT = ""

if platform.system() == "Windows":

EXE_EXT = ".exe"

elif platform.system() == "Darwin":

EXE_EXT = ".app"

def main():

# Platforms supported

if platform.system() != "Windows":

raise SystemExit("Error: Only Windows platform is currently "

"supported. See Issue #135 for details.")

# Make sure nothing is cached from previous build.

# Delete the build/ and dist/ directories.

if os.path.exists("build/"):

shutil.rmtree("build/")

if os.path.exists("dist/"):

shutil.rmtree("dist/")

# Execute pyinstaller.

# Note: the "--clean" flag passed to PyInstaller will delete

# global global cache and temporary files from previous

# runs. For example on Windows this will delete the

# "%appdata%/roaming/pyinstaller/bincache00_py27_32bit"

# directory.

env = os.environ

if "--debug" in sys.argv:

env["CEFPYTHON_PYINSTALLER_DEBUG"] = "1"

sub = Popen(["pyinstaller", "--clean", "pyinstaller.spec"], env=env)

sub.communicate()

rcode = sub.returncode

if rcode != 0:

print("Error: PyInstaller failed, code=%s" % rcode)

# Delete distribution directory if created

if os.path.exists("dist/"):

shutil.rmtree("dist/")

sys.exit(1)

# Make sure everything went fine

curdir = os.path.dirname(os.path.abspath(__file__))

cefapp_dir = os.path.join(curdir, "dist", "cefapp")

executable = os.path.join(cefapp_dir, "cefapp"+EXE_EXT)

if not os.path.exists(executable):

print("Error: PyInstaller failed, main executable is missing: %s"

% executable)

sys.exit(1)

# Done

print("OK. Created dist/ directory.")

# On Windows open folder in explorer or when --debug is passed

# run the result binary using "cmd.exe /k cefapp.exe", so that

# console window doesn't close.

if platform.system() == "Windows":

if "--debug" in sys.argv:

os.system("start cmd /k \"%s\"" % executable)

else:

# SYSTEMROOT = C:/Windows

os.system("%s/explorer.exe /n,/e,%s" % (

os.environ["SYSTEMROOT"], cefapp_dir))

if __name__ == "__main__":

main()