utils.py 2.71 KB
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# -*- Mode: Python -*-

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# GDBus - GLib D-Bus Library
#
# Copyright (C) 2008-2011 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General
# Public License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307, USA.
#
# Author: David Zeuthen <davidz@redhat.com>

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import distutils.version

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def strip_dots(s):
    ret = ''
    force_upper = False
    for c in s:
        if c == '.':
            force_upper = True
        else:
            if force_upper:
                ret += c.upper()
                force_upper = False
            else:
                ret += c
    return ret

def dots_to_hyphens(s):
    return s.replace('.', '-')

def camel_case_to_uscore(s):
    ret = ''
    insert_uscore = False
    prev_was_lower = False
    for c in s:
        if c.isupper():
            if prev_was_lower:
                insert_uscore = True
            prev_was_lower = False
        else:
            prev_was_lower = True
        if insert_uscore:
            ret += '_'
        ret += c.lower()
        insert_uscore = False
    return ret

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def is_ugly_case(s):
    if s and s.find('_') > 0:
        return True
    return False

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def lookup_annotation(annotations, key):
    if annotations:
        for a in annotations:
            if a.key == key:
                return a.value
    return None

def lookup_docs(annotations):
    s = lookup_annotation(annotations, 'org.gtk.GDBus.DocString')
    if s == None:
        return ''
    else:
        return s

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def lookup_since(annotations):
    s = lookup_annotation(annotations, 'org.gtk.GDBus.Since')
    if s == None:
        return ''
    else:
        return s

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def lookup_brief_docs(annotations):
    s = lookup_annotation(annotations, 'org.gtk.GDBus.DocString.Short')
    if s == None:
        return ''
    else:
        return s
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# I'm sure this could be a lot more elegant if I was
# more fluent in python...
def my_version_cmp(a, b):
    if len(a[0]) > 0 and len(b[0]) > 0:
        va = distutils.version.LooseVersion(a[0])
        vb = distutils.version.LooseVersion(b[0])
        ret = va.__cmp__(vb)
    else:
        ret = cmp(a[0], b[0])
    if ret != 0:
        return ret
    return cmp(a[1], b[1])