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# MIT License
#
# Copyright The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""
Actions to zip and unzip, for working with SCons release bundles
Action for creating a zipapp
"""
import os.path
import zipfile
import zipapp
def zipit(env, target, source):
"""Action function to zip *source* into *target*
Values extracted from *env*:
*CD*: the directory to work in
*PSV*: the directory name to walk down to find the files
"""
print(f"Zipping {target[0]}:")
def visit(arg, dirname, filenames):
for filename in filenames:
path = os.path.join(dirname, filename)
if os.path.isfile(path):
arg.write(path)
# default ZipFile compression is ZIP_STORED
zf = zipfile.ZipFile(str(target[0]), 'w', compression=zipfile.ZIP_DEFLATED)
olddir = os.getcwd()
os.chdir(env.Dir(env['CD']).abspath)
try:
for dirname, dirnames, filenames in os.walk(env['PSV']):
visit(zf, dirname, filenames)
finally:
os.chdir(olddir)
zf.close()
def unzipit(env, target, source):
"""Action function to unzip *source*"""
print(f"Unzipping {source[0]}:")
zf = zipfile.ZipFile(str(source[0]), 'r')
for name in zf.namelist():
dest = os.path.join(env['UNPACK_ZIP_DIR'], name)
dir = os.path.dirname(dest)
os.makedirs(dir, exist_ok=True)
print(dest, name)
# if the file exists, then delete it before writing
# to it so that we don't end up trying to write to a symlink:
if os.path.isfile(dest) or os.path.islink(dest):
os.unlink(dest)
if not os.path.isdir(dest):
with open(dest, 'wb') as fp:
fp.write(zf.read(name))
def zipappit(env, target, source):
"""Action function to Create a zipapp *target* from specified directory.
Values extracted from *env*:
*CD*: the Dir node for the place we want to work.
*PSV*: the directory name to point :meth:`zipapp.create_archive` at
(note *source* is unused here in favor of PSV)
*main*: the entry point for the zipapp
"""
print(f"Creating zipapp {target[0]}:")
dest = target[0].abspath
olddir = os.getcwd()
os.chdir(env['CD'].abspath)
try:
zipapp.create_archive(
source=env['PSV'],
target=dest,
main=env['entry'],
interpreter="/usr/bin/env python",
)
finally:
os.chdir(olddir)
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