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9717833e82
This can be observed in gnome-power-manager with one of the entries that contains <long></long>
1067 lines
38 KiB
Python
Executable File
1067 lines
38 KiB
Python
Executable File
#!/usr/bin/env python
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# vim: set ts=4 sw=4 et: coding=UTF-8
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#
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# Copyright (c) 2010, Novell, Inc.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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# USA.
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#
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# Authors: Vincent Untz <vuntz@gnome.org>
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# TODO: add alias support for choices
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# choices: 'this-is-an-alias' = 'real', 'other', 'real'
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# TODO: we don't support migrating a pair from a gconf schema. It has yet to be
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# seen in real-world usage, though.
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import os
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import sys
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import optparse
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try:
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from lxml import etree as ET
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except ImportError:
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try:
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from xml.etree import cElementTree as ET
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except ImportError:
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import cElementTree as ET
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GSETTINGS_SIMPLE_SCHEMA_INDENT = ' '
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TYPES_FOR_CHOICES = [ 's' ]
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TYPES_FOR_RANGE = [ 'y', 'n', 'q', 'i', 'u', 'x', 't', 'h', 'd' ]
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######################################
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def is_schema_id_valid(id):
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# FIXME: there's currently no restriction on what an id should contain,
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# but there might be some later on
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return True
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def is_key_name_valid(name):
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# FIXME: we could check that name is valid ([-a-z0-9], no leading/trailing
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# -, no leading digit, 32 char max). Note that we don't want to validate
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# the key when converting from gconf, though, since gconf keys use
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# underscores.
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return True
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def are_choices_valid(choices):
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# FIXME: we could check that all values have the same type with GVariant
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return True
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def is_range_valid(minmax):
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# FIXME: we'll be able to easily check min < max once we can convert the
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# values with GVariant
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return True
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######################################
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class GSettingsSchemaConvertException(Exception):
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pass
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######################################
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class GSettingsSchemaRoot:
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def __init__(self):
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self.gettext_domain = None
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self.schemas = []
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def get_simple_string(self):
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need_empty_line = False
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result = ''
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for schema in self.schemas:
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if need_empty_line:
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result += '\n'
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result += schema.get_simple_string()
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if result:
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need_empty_line = True
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# Only put the gettext domain if we have some content
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if result and self.gettext_domain:
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result = 'gettext-domain: %s\n\n%s' % (self.gettext_domain, result)
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return result
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def get_xml_node(self):
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schemalist_node = ET.Element('schemalist')
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if self.gettext_domain:
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schemalist_node.set('gettext-domain', self.gettext_domain)
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for schema in self.schemas:
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for schema_node in schema.get_xml_nodes():
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schemalist_node.append(schema_node)
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return schemalist_node
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######################################
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class GSettingsSchema:
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def __init__(self):
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self.id = None
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self.path = None
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# only set when this schema is a child
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self.name = None
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self.gettext_domain = None
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self.children = []
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self.keys = []
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def get_simple_string(self, current_indent = '', parent_path = ''):
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if not self.children and not self.keys:
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return ''
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content = self._get_simple_string_for_content(current_indent)
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if not content:
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return ''
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if self.name:
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id = 'child %s' % self.name
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force_empty_line = False
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else:
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id = 'schema %s' % self.id
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force_empty_line = True
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result = ''
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result += '%s%s:\n' % (current_indent, id)
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result += self._get_simple_string_for_attributes(current_indent, parent_path, force_empty_line)
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result += content
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return result
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def _get_simple_string_for_attributes(self, current_indent, parent_path, force_empty_line):
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need_empty_line = force_empty_line
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result = ''
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if self.gettext_domain:
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result += '%sgettext-domain: %s\n' % (current_indent + GSETTINGS_SIMPLE_SCHEMA_INDENT, self.gettext_domain)
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need_empty_line = True
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if self.path and (not parent_path or (self.path != '%s%s/' % (parent_path, self.name))):
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result += '%spath: %s\n' % (current_indent + GSETTINGS_SIMPLE_SCHEMA_INDENT, self.path)
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need_empty_line = True
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if need_empty_line:
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result += '\n'
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return result
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def _get_simple_string_for_content(self, current_indent):
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need_empty_line = False
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result = ''
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for key in self.keys:
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result += key.get_simple_string(current_indent + GSETTINGS_SIMPLE_SCHEMA_INDENT)
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need_empty_line = True
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for child in self.children:
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if need_empty_line:
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result += '\n'
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result += child.get_simple_string(current_indent + GSETTINGS_SIMPLE_SCHEMA_INDENT, self.path)
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if result:
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need_empty_line = True
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return result
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def get_xml_nodes(self):
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if not self.children and not self.keys:
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return []
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(node, children_nodes) = self._get_xml_nodes_for_content()
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if node is None:
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return []
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node.set('id', self.id)
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if self.path:
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node.set('path', self.path)
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nodes = [ node ]
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nodes.extend(children_nodes)
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return nodes
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def _get_xml_nodes_for_content(self):
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if not self.keys and not self.children:
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return (None, None)
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children_nodes = []
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schema_node = ET.Element('schema')
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if self.gettext_domain:
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schema_node.set('gettext-domain', self.gettext_domain)
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for key in self.keys:
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key_node = key.get_xml_node()
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schema_node.append(key_node)
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for child in self.children:
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child_nodes = child.get_xml_nodes()
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children_nodes.extend(child_nodes)
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child_node = ET.SubElement(schema_node, 'child')
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if not child.name:
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raise GSettingsSchemaConvertException('Internal error: child being processed with no schema id.')
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child_node.set('name', child.name)
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child_node.set('schema', '%s' % child.id)
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return (schema_node, children_nodes)
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######################################
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class GSettingsSchemaKey:
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def __init__(self):
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self.name = None
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self.type = None
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self.default = None
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self.typed_default = None
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self.l10n = None
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self.l10n_context = None
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self.summary = None
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self.description = None
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self.choices = None
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self.range = None
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def fill(self, name, type, default, typed_default, l10n, l10n_context, summary, description, choices, range):
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self.name = name
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self.type = type
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self.default = default
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self.typed_default = typed_default
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self.l10n = l10n
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self.l10n_context = l10n_context
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self.summary = summary
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self.description = description
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self.choices = choices
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self.range = range
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def _has_range_choices(self):
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return self.choices is not None and self.type in TYPES_FOR_CHOICES
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def _has_range_minmax(self):
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return self.range is not None and len(self.range) == 2 and self.type in TYPES_FOR_RANGE
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def get_simple_string(self, current_indent):
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# FIXME: kill this when we'll have python bindings for GVariant. Right
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# now, every simple format schema we'll generate has to have an
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# explicit type since we can't guess the type later on when converting
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# to XML.
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self.typed_default = '@%s %s' % (self.type, self.default)
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result = ''
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result += '%skey %s = %s\n' % (current_indent, self.name, self.typed_default or self.default)
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current_indent += GSETTINGS_SIMPLE_SCHEMA_INDENT
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if self.l10n:
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l10n = self.l10n
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if self.l10n_context:
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l10n += ' %s' % self.l10n_context
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result += '%sl10n: %s\n' % (current_indent, l10n)
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if self.summary:
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result += '%ssummary: %s\n' % (current_indent, self.summary)
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if self.description:
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result += '%sdescription: %s\n' % (current_indent, self.description)
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if self._has_range_choices():
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result += '%schoices: %s\n' % (current_indent, ', '.join(self.choices))
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elif self._has_range_minmax():
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result += '%srange: %s\n' % (current_indent, '%s..%s' % (self.range[0] or '', self.range[1] or ''))
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return result
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def get_xml_node(self):
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key_node = ET.Element('key')
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key_node.set('name', self.name)
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key_node.set('type', self.type)
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default_node = ET.SubElement(key_node, 'default')
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default_node.text = self.default
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if self.l10n:
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default_node.set('l10n', self.l10n)
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if self.l10n_context:
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default_node.set('context', self.l10n_context)
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if self.summary:
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summary_node = ET.SubElement(key_node, 'summary')
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summary_node.text = self.summary
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if self.description:
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description_node = ET.SubElement(key_node, 'description')
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description_node.text = self.description
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if self._has_range_choices():
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choices_node = ET.SubElement(key_node, 'choices')
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for choice in self.choices:
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choice_node = ET.SubElement(choices_node, 'choice')
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choice_node.set('value', choice)
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elif self._has_range_minmax():
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(min, max) = self.range
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range_node = ET.SubElement(key_node, 'range')
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min_node = ET.SubElement(range_node, 'min')
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if min:
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min_node.text = min
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max_node = ET.SubElement(range_node, 'max')
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if max:
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max_node.text = max
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return key_node
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######################################
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class SimpleSchemaParser:
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allowed_tokens = {
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'' : [ 'gettext-domain', 'schema' ],
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'gettext-domain' : [ ],
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'schema' : [ 'gettext-domain', 'path', 'child', 'key' ],
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'path' : [ ],
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'child' : [ 'gettext-domain', 'child', 'key' ],
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'key' : [ 'l10n', 'summary', 'description', 'choices', 'range' ],
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'l10n' : [ ],
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'summary' : [ ],
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'description' : [ ],
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'choices' : [ ],
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'range' : [ ]
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}
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allowed_separators = [ ':', '=' ]
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def __init__(self, file):
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self.file = file
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self.root = GSettingsSchemaRoot()
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# this is just a convenient helper to remove the leading indentation
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# that should be common to all lines
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self.leading_indent = None
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self.indent_stack = []
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self.token_stack = []
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self.object_stack = [ self.root ]
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self.previous_token = None
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self.current_token = None
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self.unparsed_line = ''
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def _eat_indent(self):
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line = self.unparsed_line
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i = 0
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buf = ''
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previous_max_index = len(self.indent_stack) - 1
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index = -1
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while i < len(line) - 1 and line[i].isspace():
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buf += line[i]
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i += 1
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if previous_max_index > index:
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if buf == self.indent_stack[index + 1]:
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buf = ''
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index += 1
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continue
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elif self.indent_stack[index + 1].startswith(buf):
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continue
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else:
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raise GSettingsSchemaConvertException('Inconsistent indentation.')
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else:
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continue
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if buf and previous_max_index > index:
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raise GSettingsSchemaConvertException('Inconsistent indentation.')
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elif buf and previous_max_index <= index:
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self.indent_stack.append(buf)
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elif previous_max_index > index:
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self.indent_stack = self.indent_stack[:index + 1]
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self.unparsed_line = line[i:]
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def _parse_word(self):
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line = self.unparsed_line
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i = 0
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while i < len(line) and not line[i].isspace() and not line[i] in self.allowed_separators:
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i += 1
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self.unparsed_line = line[i:]
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return line[:i]
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def _word_to_token(self, word):
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lower = word.lower()
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if lower and lower in self.allowed_tokens.keys():
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return lower
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raise GSettingsSchemaConvertException('\'%s\' is not a valid token.' % lower)
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def _token_allow_separator(self):
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return self.current_token in [ 'gettext-domain', 'path', 'l10n', 'summary', 'description', 'choices', 'range' ]
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def _parse_id_without_separator(self):
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line = self.unparsed_line
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if line[-1] in self.allowed_separators:
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line = line[:-1].strip()
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if not is_schema_id_valid(line):
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raise GSettingsSchemaConvertException('\'%s\' is not a valid schema id.' % line)
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self.unparsed_line = ''
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return line
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def _parse_key(self):
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line = self.unparsed_line
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split = False
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for separator in self.allowed_separators:
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items = line.split(separator)
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if len(items) == 2:
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split = True
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break
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if not split:
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raise GSettingsSchemaConvertException('Key \'%s\' cannot be parsed.' % line)
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name = items[0].strip()
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if not is_key_name_valid(name):
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raise GSettingsSchemaConvertException('\'%s\' is not a valid key name.' % name)
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type = ''
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value = items[1].strip()
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if value[0] == '@':
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i = 1
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while not value[i].isspace():
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i += 1
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type = value[1:i]
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value = value[i:].strip()
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if not value:
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raise GSettingsSchemaConvertException('No value specified for key \'%s\' (\'%s\').' % (name, line))
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self.unparsed_line = ''
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object = GSettingsSchemaKey()
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object.name = name
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object.type = type
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object.default = value
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return object
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def _parse_l10n(self):
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line = self.unparsed_line
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items = [ item.strip() for item in line.split(' ', 1) if item.strip() ]
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if not items:
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self.unparsed_line = ''
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return (None, None)
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if len(items) == 1:
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self.unparsed_line = ''
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return (items[0], None)
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if len(items) == 2:
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self.unparsed_line = ''
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return (items[0], items[1])
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raise GSettingsSchemaConvertException('Internal error: more items than expected for localization \'%s\'.' % line)
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def _parse_choices(self, object):
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if object.type not in TYPES_FOR_CHOICES:
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raise GSettingsSchemaConvertException('Key \'%s\' of type \'%s\' cannot have choices.' % (object.name, object.type))
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line = self.unparsed_line
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choices = [ item.strip() for item in line.split(',') ]
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if not are_choices_valid(choices):
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raise GSettingsSchemaConvertException('\'%s\' is not a valid choice.' % line)
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self.unparsed_line = ''
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return choices
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def _parse_range(self, object):
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if object.type not in TYPES_FOR_RANGE:
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raise GSettingsSchemaConvertException('Key \'%s\' of type \'%s\' cannot have a range.' % (object.name, object.type))
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line = self.unparsed_line
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minmax = [ item.strip() for item in line.split('..') ]
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if len(minmax) != 2:
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raise GSettingsSchemaConvertException('Range \'%s\' cannot be parsed.' % line)
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if not is_range_valid(minmax):
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raise GSettingsSchemaConvertException('\'%s\' is not a valid range.' % line)
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self.unparsed_line = ''
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return tuple(minmax)
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def parse_line(self, line):
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# make sure that lines with only spaces are ignored and considered as
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# empty lines
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self.unparsed_line = line.rstrip()
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# ignore empty line
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if not self.unparsed_line:
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return
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# look at the indentation to know where we should be
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self._eat_indent()
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if self.leading_indent is None:
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self.leading_indent = len(self.indent_stack)
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# ignore comments
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if self.unparsed_line[0] == '#':
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return
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word = self._parse_word()
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if self.current_token:
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self.previous_token = self.current_token
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self.current_token = self._word_to_token(word)
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self.unparsed_line = self.unparsed_line.lstrip()
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allow_separator = self._token_allow_separator()
|
|
if len(self.unparsed_line) > 0 and self.unparsed_line[0] in self.allowed_separators:
|
|
if allow_separator:
|
|
self.unparsed_line = self.unparsed_line[1:].lstrip()
|
|
else:
|
|
raise GSettingsSchemaConvertException('Separator \'%s\' is not allowed after \'%s\'.' % (self.unparsed_line[0], self.current_token))
|
|
|
|
new_level = len(self.indent_stack) - self.leading_indent
|
|
old_level = len(self.token_stack)
|
|
|
|
if new_level > old_level + 1:
|
|
raise GSettingsSchemaConvertException('Internal error: stacks not in sync.')
|
|
elif new_level <= old_level:
|
|
self.token_stack = self.token_stack[:new_level]
|
|
# we always have the root
|
|
self.object_stack = self.object_stack[:new_level + 1]
|
|
|
|
if new_level == 0:
|
|
parent_token = ''
|
|
else:
|
|
parent_token = self.token_stack[-1]
|
|
|
|
# there's new indentation, but no token is allowed under the previous
|
|
# one
|
|
if new_level == old_level + 1 and self.previous_token != parent_token:
|
|
raise GSettingsSchemaConvertException('\'%s\' is not allowed under \'%s\'.' % (self.current_token, self.previous_token))
|
|
|
|
if not self.current_token in self.allowed_tokens[parent_token]:
|
|
if parent_token:
|
|
error = '\'%s\' is not allowed under \'%s\'.' % (self.current_token, parent_token)
|
|
else:
|
|
error = '\'%s\' is not allowed at the root level.' % self.current_token
|
|
raise GSettingsSchemaConvertException(error)
|
|
|
|
current_object = self.object_stack[-1]
|
|
|
|
new_object = None
|
|
if self.current_token == 'gettext-domain':
|
|
current_object.gettext_domain = self.unparsed_line
|
|
elif self.current_token == 'schema':
|
|
name = self._parse_id_without_separator()
|
|
new_object = GSettingsSchema()
|
|
new_object.id = name
|
|
current_object.schemas.append(new_object)
|
|
elif self.current_token == 'path':
|
|
current_object.path = self.unparsed_line
|
|
elif self.current_token == 'child':
|
|
if not isinstance(current_object, GSettingsSchema):
|
|
raise GSettingsSchemaConvertException('Internal error: child being processed with no parent schema.')
|
|
name = self._parse_id_without_separator()
|
|
new_object = GSettingsSchema()
|
|
new_object.id = '%s.%s' % (current_object.id, name)
|
|
if current_object.path:
|
|
new_object.path = '%s%s/' % (current_object.path, name)
|
|
new_object.name = name
|
|
current_object.children.append(new_object)
|
|
elif self.current_token == 'key':
|
|
new_object = self._parse_key()
|
|
current_object.keys.append(new_object)
|
|
elif self.current_token == 'l10n':
|
|
(current_object.l10n, current_object.l10n_context) = self._parse_l10n()
|
|
elif self.current_token == 'summary':
|
|
current_object.summary = self.unparsed_line
|
|
elif self.current_token == 'description':
|
|
current_object.description = self.unparsed_line
|
|
elif self.current_token == 'choices':
|
|
current_object.choices = self._parse_choices(current_object)
|
|
elif self.current_token == 'range':
|
|
current_object.range = self._parse_range(current_object)
|
|
|
|
if new_object:
|
|
self.token_stack.append(self.current_token)
|
|
self.object_stack.append(new_object)
|
|
|
|
def parse(self):
|
|
f = open(self.file, 'r')
|
|
lines = [ line[:-1] for line in f.readlines() ]
|
|
f.close()
|
|
|
|
try:
|
|
current_line_nb = 0
|
|
for line in lines:
|
|
current_line_nb += 1
|
|
self.parse_line(line)
|
|
except GSettingsSchemaConvertException, e:
|
|
raise GSettingsSchemaConvertException('%s:%s: %s' % (os.path.basename(self.file), current_line_nb, e))
|
|
|
|
return self.root
|
|
|
|
|
|
######################################
|
|
|
|
|
|
class XMLSchemaParser:
|
|
|
|
def __init__(self, file):
|
|
self.file = file
|
|
|
|
self.root = None
|
|
|
|
def _parse_key(self, key_node, schema):
|
|
key = GSettingsSchemaKey()
|
|
|
|
key.name = key_node.get('name')
|
|
if not key.name:
|
|
raise GSettingsSchemaConvertException('A key in schema \'%s\' has no name.' % schema.id)
|
|
key.type = key_node.get('type')
|
|
if not key.type:
|
|
raise GSettingsSchemaConvertException('Key \'%s\' in schema \'%s\' has no type.' % (key.name, schema.id))
|
|
|
|
default_node = key_node.find('default')
|
|
if default_node is None or not default_node.text.strip():
|
|
raise GSettingsSchemaConvertException('Key \'%s\' in schema \'%s\' has no default value.' % (key.name, schema.id))
|
|
key.l10n = default_node.get('l10n')
|
|
key.l10n_context = default_node.get('context')
|
|
key.default = default_node.text.strip()
|
|
|
|
summary_node = key_node.find('summary')
|
|
if summary_node is not None:
|
|
key.summary = summary_node.text.strip()
|
|
description_node = key_node.find('description')
|
|
if description_node is not None:
|
|
key.description = description_node.text.strip()
|
|
|
|
range_node = key_node.find('range')
|
|
if range_node is not None:
|
|
min = None
|
|
max = None
|
|
min_node = range_node.find('min')
|
|
if min_node is not None:
|
|
min = min_node.text.strip()
|
|
max_node = range_node.find('max')
|
|
if max_node is not None:
|
|
max = max_node.text.strip()
|
|
if min or max:
|
|
self.range = (min, max)
|
|
|
|
choices_node = key_node.find('choices')
|
|
if choices_node is not None:
|
|
self.choices = []
|
|
for choice_node in choices_node.findall('choice'):
|
|
value = choice_node.get('value')
|
|
if value:
|
|
self.choices.append(value)
|
|
else:
|
|
raise GSettingsSchemaConvertException('A choice for key \'%s\' in schema \'%s\' has no value.' % (key.name, schema.id))
|
|
|
|
return key
|
|
|
|
def _parse_schema(self, schema_node):
|
|
schema = GSettingsSchema()
|
|
|
|
schema._children = []
|
|
|
|
schema.id = schema_node.get('id')
|
|
if not schema.id:
|
|
raise GSettingsSchemaConvertException('A schema has no id.')
|
|
schema.path = schema_node.get('path')
|
|
schema.gettext_domain = schema_node.get('gettext-domain')
|
|
|
|
for key_node in schema_node.findall('key'):
|
|
key = self._parse_key(key_node, schema)
|
|
schema.keys.append(key)
|
|
|
|
for child_node in schema_node.findall('child'):
|
|
child_name = child_node.get('name')
|
|
if not child_name:
|
|
raise GSettingsSchemaConvertException('A child of schema \'%s\' has no name.' % schema.id)
|
|
child_schema = child_node.get('schema')
|
|
if not child_schema:
|
|
raise GSettingsSchemaConvertException('Child \'%s\' of schema \'%s\' has no schema.' % (child_name, schema.id))
|
|
|
|
expected_id = schema.id + '.' + child_name
|
|
if child_schema != expected_id:
|
|
raise GSettingsSchemaConvertException('\'%s\' is too complex for this tool: child \'%s\' of schema \'%s\' has a schema that is not the expected one (\'%s\' vs \'%s\').' % (os.path.basename(self.file), child_name, schema.id, child_schema, expected_id))
|
|
|
|
schema._children.append((child_schema, child_name))
|
|
|
|
return schema
|
|
|
|
def parse(self):
|
|
self.root = GSettingsSchemaRoot()
|
|
schemas = []
|
|
parent = {}
|
|
|
|
schemalist_node = ET.parse(self.file).getroot()
|
|
self.root.gettext_domain = schemalist_node.get('gettext-domain')
|
|
|
|
for schema_node in schemalist_node.findall('schema'):
|
|
schema = self._parse_schema(schema_node)
|
|
|
|
for (child_schema, child_name) in schema._children:
|
|
if parent.has_key(child_schema):
|
|
raise GSettingsSchemaConvertException('Child \'%s\' is declared by two different schemas: \'%s\' and \'%s\'.' % (child_schema, parent[child_schema], schema.id))
|
|
parent[child_schema] = schema
|
|
|
|
schemas.append(schema)
|
|
|
|
# now let's move all schemas where they should leave
|
|
for schema in schemas:
|
|
if parent.has_key(schema.id):
|
|
parent_schema = parent[schema.id]
|
|
|
|
# check that the paths of parent and child are supported by
|
|
# this tool
|
|
found = False
|
|
for (child_schema, child_name) in parent_schema._children:
|
|
if child_schema == schema.id:
|
|
found = True
|
|
break
|
|
|
|
if not found:
|
|
raise GSettingsSchemaConvertException('Internal error: child not found in parent\'s children.')
|
|
|
|
schema.name = child_name
|
|
parent_schema.children.append(schema)
|
|
else:
|
|
self.root.schemas.append(schema)
|
|
|
|
return self.root
|
|
|
|
|
|
######################################
|
|
|
|
|
|
def map_gconf_type_to_variant_type(gconftype, gconfsubtype):
|
|
typemap = { 'string': 's', 'int': 'i', 'float': 'f', 'bool': 'b', 'list': 'a' }
|
|
result = typemap[gconftype]
|
|
if gconftype == 'list':
|
|
result = result + typemap[gconfsubtype]
|
|
return result
|
|
|
|
|
|
class GConfSchema:
|
|
|
|
def __init__(self, node):
|
|
locale_node = node.find('locale')
|
|
|
|
self.key = node.find('key').text
|
|
self.type = node.find('type').text
|
|
if self.type == 'list':
|
|
self.list_type = node.find('list_type').text
|
|
else:
|
|
self.list_type = None
|
|
self.varianttype = map_gconf_type_to_variant_type(self.type, self.list_type)
|
|
|
|
applyto_node = node.find('applyto')
|
|
if applyto_node is not None:
|
|
self.applyto = node.find('applyto').text
|
|
self.applyto.strip()
|
|
self.keyname = self.applyto[self.applyto.rfind('/')+1:]
|
|
self.prefix = self.applyto[:self.applyto.rfind('/')+1]
|
|
else:
|
|
self.applyto = None
|
|
self.key.strip()
|
|
self.keyname = self.key[self.key.rfind('/')+1:]
|
|
self.prefix = self.key[:self.key.rfind('/')+1]
|
|
self.prefix = os.path.normpath(self.prefix)
|
|
|
|
try:
|
|
self.default = locale_node.find('default').text
|
|
self.localized = 'messages'
|
|
except:
|
|
try:
|
|
self.default = node.find('default').text
|
|
self.localized = None
|
|
except:
|
|
raise GSettingsSchemaConvertException('No default value for key \'%s\'. A default value is always required in GSettings schemas.' % self.applyto or self.key)
|
|
self.typed_default = None
|
|
|
|
self.short = self._get_value_with_locale(node, locale_node, 'short')
|
|
self.long = self._get_value_with_locale(node, locale_node, 'long')
|
|
|
|
if self.short:
|
|
self.short = self._oneline(self.short)
|
|
if self.long:
|
|
self.long = self._oneline(self.long)
|
|
|
|
# Fix the default to be parsable by GVariant
|
|
if self.type == 'string':
|
|
if not self.default:
|
|
self.default = '\'\''
|
|
else:
|
|
self.default.replace('\'', '\\\'')
|
|
self.default = '\'%s\'' % self.default
|
|
elif self.type == 'bool':
|
|
self.default = self.default.lower()
|
|
elif self.type == 'list':
|
|
l = self.default.strip()
|
|
if not (l[0] == '[' and l[-1] == ']'):
|
|
raise GSettingsSchemaConvertException('Cannot parse default list value \'%s\' for key \'%s\'.' % (self.default, self.applyto or self.key))
|
|
values = l[1:-1].strip()
|
|
if not values:
|
|
self.typed_default = '@%s []' % self.varianttype
|
|
elif self.list_type == 'string':
|
|
items = [ item.strip() for item in values.split(',') ]
|
|
items = [ item.replace('\'', '\\\'') for item in items ]
|
|
values = ', '.join([ '\'%s\'' % item for item in items ])
|
|
self.default = '[ %s ]' % values
|
|
|
|
def _get_value_with_locale(self, node, locale_node, element):
|
|
element_node = None
|
|
if locale_node is not None:
|
|
element_node = locale_node.find(element)
|
|
if element_node is None:
|
|
element_node = node.find(element)
|
|
if element_node is not None:
|
|
return element_node.text
|
|
else:
|
|
return None
|
|
|
|
def _oneline(self, s):
|
|
lines = s.splitlines()
|
|
result = ''
|
|
for line in lines:
|
|
result += ' ' + line.lstrip()
|
|
return result.strip()
|
|
|
|
def get_gsettings_schema_key(self):
|
|
key = GSettingsSchemaKey()
|
|
key.fill(self.keyname, self.varianttype, self.default, self.typed_default, self.localized, self.keyname, self.short, self.long, None, None)
|
|
return key
|
|
|
|
|
|
######################################
|
|
|
|
|
|
class GConfSchemaParser:
|
|
|
|
def __init__(self, file, default_schema_id):
|
|
self.file = file
|
|
self.default_schema_id = default_schema_id
|
|
|
|
self.root = None
|
|
self.default_schema_id_count = 0
|
|
|
|
def _insert_schema(self, gconf_schema):
|
|
schemas_only = (gconf_schema.applyto is None)
|
|
|
|
dirpath = gconf_schema.prefix
|
|
if dirpath[0] != '/':
|
|
raise GSettingsSchemaConvertException('Key \'%s\' has a relative path. There is no relative path in GSettings schemas.' % gconf_schema.applyto or gconf_schema.key)
|
|
|
|
# remove leading 'schemas/' for schemas-only keys
|
|
if schemas_only and dirpath.startswith('/schemas/'):
|
|
dirpath = dirpath[len('/schemas'):]
|
|
|
|
if len(dirpath) == 1:
|
|
raise GSettingsSchemaConvertException('Key \'%s\' is a toplevel key. Toplevel keys are not accepted in GSettings schemas.' % gconf_schema.applyto or gconf_schema.key)
|
|
|
|
# remove trailing slash because we'll split the string
|
|
if dirpath[-1] == '/':
|
|
dirpath = dirpath[:-1]
|
|
# and also remove leading slash when splitting
|
|
hierarchy = dirpath[1:].split('/')
|
|
|
|
# we don't want to put apps/ and desktop/ keys in the same schema,
|
|
# so we have a first step where we make sure to create a new schema
|
|
# to avoid this case if necessary
|
|
gsettings_schema = None
|
|
for schema in self.root.schemas:
|
|
if schemas_only:
|
|
schema_path = schema._hacky_path
|
|
else:
|
|
schema_path = schema.path
|
|
if dirpath.startswith(schema_path):
|
|
gsettings_schema = schema
|
|
break
|
|
if not gsettings_schema:
|
|
gsettings_schema = GSettingsSchema()
|
|
if schemas_only:
|
|
gsettings_schema._hacky_path = '/' + hierarchy[0] + '/'
|
|
else:
|
|
gsettings_schema.path = '/' + hierarchy[0] + '/'
|
|
self.root.schemas.append(gsettings_schema)
|
|
|
|
# we create the schema hierarchy that leads to this key
|
|
gsettings_dir = gsettings_schema
|
|
for item in hierarchy[1:]:
|
|
subdir = None
|
|
for child in gsettings_dir.children:
|
|
if child.name == item:
|
|
subdir = child
|
|
break
|
|
if not subdir:
|
|
subdir = GSettingsSchema()
|
|
# note: the id will be set later on
|
|
if gsettings_dir.path:
|
|
subdir.path = '%s%s/' % (gsettings_dir.path, item)
|
|
subdir.name = item
|
|
gsettings_dir.children.append(subdir)
|
|
gsettings_dir = subdir
|
|
|
|
# we have the final directory, so we can put the key there
|
|
gsettings_dir.keys.append(gconf_schema.get_gsettings_schema_key())
|
|
|
|
def _set_children_id(self, schema):
|
|
for child in schema.children:
|
|
child.id = '%s.%s' % (schema.id, child.name)
|
|
self._set_children_id(child)
|
|
|
|
def _fix_hierarchy(self):
|
|
for schema in self.root.schemas:
|
|
# we created one schema per level, starting at the root level;
|
|
# however, we don't need to go that far and we can simplify the
|
|
# hierarchy
|
|
while len(schema.children) == 1 and not schema.keys:
|
|
child = schema.children[0]
|
|
schema.children = child.children
|
|
schema.keys = child.keys
|
|
if schema.path:
|
|
schema.path += child.name + '/'
|
|
|
|
# now that we have a toplevel schema, set the id
|
|
if self.default_schema_id:
|
|
schema.id = self.default_schema_id
|
|
if self.default_schema_id_count > 0:
|
|
schema.id += '.FIXME-%s' % self.default_schema_id_count
|
|
self.default_schema_id_count += 1
|
|
else:
|
|
schema.id = 'FIXME'
|
|
self._set_children_id(schema)
|
|
|
|
def parse(self):
|
|
# reset the state of the parser
|
|
self.root = GSettingsSchemaRoot()
|
|
self.default_schema_id_count = 0
|
|
|
|
gconfschemafile_node = ET.parse(self.file).getroot()
|
|
for schemalist_node in gconfschemafile_node.findall('schemalist'):
|
|
for schema_node in schemalist_node.findall('schema'):
|
|
self._insert_schema(GConfSchema(schema_node))
|
|
|
|
self._fix_hierarchy()
|
|
|
|
return self.root
|
|
|
|
|
|
######################################
|
|
|
|
|
|
def main(args):
|
|
parser = optparse.OptionParser()
|
|
|
|
parser.add_option("-o", "--output", dest="output",
|
|
help="output file")
|
|
parser.add_option("-g", "--gconf", action="store_true", dest="gconf",
|
|
default=False, help="convert a gconf schema file")
|
|
parser.add_option("-i", "--schema-id", dest="schema_id",
|
|
help="default schema ID to use when converting gconf schema file")
|
|
parser.add_option("-s", "--simple", action="store_true", dest="simple",
|
|
default=False, help="use the simple schema format as output (only for gconf schema conversion)")
|
|
parser.add_option("-x", "--xml", action="store_true", dest="xml",
|
|
default=False, help="use the xml schema format as output")
|
|
parser.add_option("-f", "--force", action="store_true", dest="force",
|
|
default=False, help="overwrite output file if already existing")
|
|
|
|
(options, args) = parser.parse_args()
|
|
|
|
if len(args) < 1:
|
|
print >> sys.stderr, 'Need a filename to work on.'
|
|
return 1
|
|
elif len(args) > 1:
|
|
print >> sys.stderr, 'Too many arguments.'
|
|
return 1
|
|
|
|
if options.simple and options.xml:
|
|
print >> sys.stderr, 'Too many output formats requested.'
|
|
return 1
|
|
|
|
if not options.gconf and options.schema_id:
|
|
print >> sys.stderr, 'Default schema ID can only be specified when converting a gconf schema.'
|
|
return 1
|
|
|
|
argfile = os.path.expanduser(args[0])
|
|
if not os.path.exists(argfile):
|
|
print >> sys.stderr, '\'%s\' does not exist.' % argfile
|
|
return 1
|
|
|
|
if options.output:
|
|
options.output = os.path.expanduser(options.output)
|
|
|
|
try:
|
|
if options.output and not options.force and os.path.exists(options.output):
|
|
raise GSettingsSchemaConvertException('\'%s\' already exists. Use --force to overwrite it.' % options.output)
|
|
|
|
if options.gconf:
|
|
if not options.simple and not options.xml:
|
|
options.simple = True
|
|
|
|
try:
|
|
parser = GConfSchemaParser(argfile, options.schema_id)
|
|
schema_root = parser.parse()
|
|
except SyntaxError, e:
|
|
raise GSettingsSchemaConvertException('\'%s\' does not look like a valid gconf schema file: %s' % (argfile, e))
|
|
else:
|
|
# autodetect if file is XML or not
|
|
try:
|
|
parser = XMLSchemaParser(argfile)
|
|
schema_root = parser.parse()
|
|
if not options.simple and not options.xml:
|
|
options.simple = True
|
|
except SyntaxError, e:
|
|
parser = SimpleSchemaParser(argfile)
|
|
schema_root = parser.parse()
|
|
if not options.simple and not options.xml:
|
|
options.xml = True
|
|
|
|
if options.xml:
|
|
node = schema_root.get_xml_node()
|
|
tree = ET.ElementTree(node)
|
|
try:
|
|
output = ET.tostring(tree, pretty_print = True)
|
|
except TypeError:
|
|
# pretty_print only works with lxml
|
|
output = ET.tostring(tree)
|
|
else:
|
|
output = schema_root.get_simple_string()
|
|
|
|
if not options.output:
|
|
sys.stdout.write(output)
|
|
else:
|
|
try:
|
|
fout = open(options.output, 'w')
|
|
fout.write(output)
|
|
fout.close()
|
|
except GSettingsSchemaConvertException, e:
|
|
fout.close()
|
|
if os.path.exists(options.output):
|
|
os.unlink(options.output)
|
|
raise e
|
|
|
|
except GSettingsSchemaConvertException, e:
|
|
print >> sys.stderr, '%s' % e
|
|
return 1
|
|
|
|
return 0
|
|
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
res = main(sys.argv)
|
|
sys.exit(res)
|
|
except KeyboardInterrupt:
|
|
pass
|