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#! /usr/bin/python3
# vim: et ts=4 sw=4
# Copyright © 2010-2012 Piotr Ożarowski <piotr@debian.org>
# Copyright © 2010 Canonical Ltd
# Copyright © 2025 Akexander Sulfrian <alexander@sulfrian.net>
#
# 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.
import logging
import optparse
import os
import sys
from os import environ
from os.path import exists, join, splitext
from subprocess import PIPE, Popen
from enaml.core.enaml_compiler import COMPILER_VERSION
from enaml.core.import_hooks import CACHEDIR
sys.path.insert(1, '/usr/share/python3/')
from debpython.version import SUPPORTED, debsorted, vrepr, \
get_requested_versions, getver
from debpython import files as dpf, PUBLIC_DIR_RE
from debpython.interpreter import Interpreter
from debpython.option import Option
# initialize script
logging.basicConfig(format='%(levelname).1s: %(module)s:%(lineno)d: '
'%(message)s')
log = logging.getLogger(__name__)
STDINS = {}
WORKERS = {}
def filter_files(files, compile_versions):
"""Generate (file, versions_to_compile) pairs."""
valid_versions = set(compile_versions) # all by default
for fpath in files:
public_dir = PUBLIC_DIR_RE.match(fpath)
if public_dir and len(public_dir.group(1)) != 1:
yield fpath, set([getver(public_dir.group(1))])
else:
yield fpath, valid_versions
### COMPILE ####################################################
def enaml_compile(version, workers):
if not isinstance(version, str):
version = vrepr(version)
cmd = "/usr/bin/python%s -m enaml.compile -" % version
process = Popen(cmd, bufsize=0, shell=True,
stdin=PIPE, close_fds=True)
workers[version] = process # keep the reference for .communicate()
stdin = process.stdin
while True:
filename = (yield)
stdin.write(filename.encode('utf-8') + b'\n')
def compile(files, versions, force):
global STDINS, WORKERS
# start Python interpreters that will handle byte compilation
for version in versions:
if version not in STDINS:
coroutine = enaml_compile(version, WORKERS)
next(coroutine)
STDINS[version] = coroutine
interpreter = Interpreter('python')
# byte compile files
skip_dirs = set()
for fn, versions_to_compile in filter_files(files, versions):
for version in versions_to_compile:
if not force:
magic_tag = 'enaml-%s-cv%s' % (
interpreter.magic_tag(version), COMPILER_VERSION)
root, tail = os.path.split(fn)
fnroot = splitext(tail)[0]
cfn = '%s.%s%s%s' % (fnroot, magic_tag, os.path.extsep, 'enamlc')
cpath = join(root, CACHEDIR, cfn)
if exists(cpath):
continue
pipe = STDINS[version]
pipe.send(fn)
################################################################
def main():
usage = '%prog [-V VERSION_RANGE] DIR_OR_FILE\n' +\
' %prog -p PACKAGE'
parser = optparse.OptionParser(usage, option_class=Option)
parser.add_option('-v', '--verbose', action='store_true', dest='verbose',
help='turn verbose mode on')
parser.add_option('-q', '--quiet', action='store_false', dest='verbose',
default=False, help='be quiet')
parser.add_option('-f', '--force', action='store_true', dest='force',
default=False,
help="Force the rebuild of the byte-code files, even "
"if the files already exists")
parser.add_option('-p', '--package',
help="Specify Debian package name whose files should "
"be bytecompiled")
parser.add_option('-V', type='version_range', dest='vrange',
help="Force Enaml source files from private module "
"directories to be bytecompiled with the Python 3 "
"versions matching the given range, regardless of the "
"default Python 3 version in the system. "
"If there are no other options, bytecompile all Enaml "
"source files from public module directories for the "
"installed Python 3 versions that match the given "
"range. "
"VERSION_RANGE examples: '3.1' (version 3.1 only), "
"'3.1-' (version 3.1 or newer), '3.1-3.3' (version "
"3.1 or 3.2), '-4.0' (all supported 3.X versions)")
(options, args) = parser.parse_args()
if options.verbose or environ.get('ENAMLCOMPILE_DEBUG') == '1':
log.setLevel(logging.DEBUG)
log.debug('argv: %s', sys.argv)
log.debug('options: %s', options)
log.debug('args: %s', args)
else:
log.setLevel(logging.WARN)
if options.vrange and options.vrange[0] == options.vrange[1] and\
options.vrange != (None, None) and\
exists("/usr/bin/python%d.%d" % options.vrange[0]):
# specific version requested, use it even if it's not in SUPPORTED
versions = {options.vrange[0]}
else:
versions = get_requested_versions(options.vrange, available=True)
if not versions:
log.error('Requested versions are not installed')
exit(3)
if options.package and args: # package's private directories
# get requested Python version
compile_versions = debsorted(versions)[:1]
log.debug('compile versions: %s', versions)
pkg_files = tuple(dpf.from_package(options.package,
extensions=('.enaml',)))
for item in args:
if not exists(item):
log.warning('No such file or directory: %s', item)
else:
log.debug('byte compiling %s using Python %s',
item, compile_versions)
files = dpf.filter_directory(pkg_files, item)
compile(files, compile_versions, options.force)
elif options.package: # package's public modules
# no need to limit versions here, it's either pyr mode or version is
# hardcoded in path / via -V option
files = dpf.from_package(options.package, extensions=('.enaml',))
files = dpf.filter_public(files, versions)
compile(files, versions, options.force)
elif args: # other directories/files
for item in args:
files = dpf.from_directory(item, extensions=('.enaml',))
compile(files, versions, options.force)
else:
parser.print_usage()
exit(1)
# wait for all processes to finish
rv = 0
for process in WORKERS.values():
process.communicate()
if process.returncode not in (None, 0):
rv = process.returncode
exit(rv)
if __name__ == '__main__':
main()
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