install-decoders 3.18 KB
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#!/usr/bin/env python3
##
## This file is part of the libsigrokdecode project.
##
## Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
##
## 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 <http://www.gnu.org/licenses/>.
##

import os
import sys
from shutil import copy
from getopt import getopt


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_inst_pp_col_max = 80
_inst_pp_col = 0
def _install_pretty_print(item):
    """Pretty print an install item. Enforce maximum line width."""
    global _inst_pp_col
    if item is None:
        _inst_pp_col = 0
        return
    _inst_pp_col += len(item)
    if _inst_pp_col > _inst_pp_col_max:
        print()
        _inst_pp_col = len(item)
    print(item, end = "")

def install(srcdir, dstdir, s):
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    worklist = []
    for pd in os.listdir(srcdir):
        pd_dir = srcdir + '/' + pd
        if not os.path.isdir(pd_dir):
            continue
        install_list = []
        for f in os.listdir(pd_dir):
            pd_file = pd_dir + '/' + f
            if not os.path.isfile(pd_file):
                continue
            if f == 'config':
                install_list.extend(config_get_extra_install(pd_file))
            elif f[-3:] == '.py':
                install_list.append(f)
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        if install_list:
            worklist.append((pd, pd_dir, install_list))
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    worklist.sort()
    print("Installing %d %s:" % (len(worklist), s))
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    for pd, pd_dir, install_list in worklist:
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        _install_pretty_print("{} ".format(pd))
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        pd_dst = os.path.join(dstdir, pd)
        try:
            os.mkdir(pd_dst)
        except OSError as e:
            if e.errno != os.errno.EEXIST:
                raise
            else:
                pass
        for f in install_list:
            copy(os.path.join(pd_dir, f), pd_dst)
    print()
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    _install_pretty_print(None)
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def config_get_extra_install(config_file):
    install_list = []
    for line in open(config_file).read().split('\n'):
        line = line.strip()
        if len(line) == 0 or line[0] == '#':
            continue
        words = line.split()
        if words[0] != 'extra-install':
            continue
        install_list.extend(words[1:])

    return install_list


def usage(msg=None):
    if msg:
        print(msg)
        ret = 1
    else:
        ret = 0
    print("""Usage:
    install-decoders [-i <decoder source>] -o <install path>""")
    sys.exit(ret)


#
# main
#

src = 'decoders'
dst = None
try:
    opts, args = getopt(sys.argv[1:], 'i:o:')
    for opt, arg in opts:
        if opt == '-i':
            src = arg
        elif opt == '-o':
            dst = arg
except Exception as e:
    usage(str(e))

if len(args) != 0 or dst is None:
    usage()

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install(src, dst, 'protocol decoders')
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