1091 lines
45 KiB
Python
1091 lines
45 KiB
Python
# Lasso - A free implementation of the Liberty Alliance specifications.
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#
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# Copyright (C) 2004-2007 Entr'ouvert
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# http://lasso.entrouvert.org
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#
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# Authors: See AUTHORS file in top-level directory.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (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 General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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import os
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from six import print_
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import sys
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import re
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import textwrap
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from utils import *
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def remove_bad_optional(args):
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args.reverse()
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non_opt = False
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new_args = []
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for x in args:
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if not '=' in x:
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non_opt = True
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elif non_opt:
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print_('W: changed', x, file=sys.stderr, end=' ')
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x = re.sub(' *=.*', '', x)
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print_('to', x, file=sys.stderr)
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new_args.append(x)
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new_args.reverse()
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return new_args
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def defval_to_python_value(defval):
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if defval is None:
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return 'None'
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if defval.startswith('b:'):
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if defval[2:].lower() == 'true':
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return 'True'
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if defval[2:].lower() == 'false':
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return 'False'
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if defval.startswith('c:'):
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try:
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return str(int(defval[2:]))
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except:
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return defval[8:]
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raise Exception('Could not convert %s to python value' % defval)
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def get_python_arg_decl(arg):
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if is_optional(arg):
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return '%s = %s' % (arg_name(arg), defval_to_python_value(arg_default(arg)))
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else:
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return arg_name(arg)
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class Binding:
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def __init__(self, binding_data):
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self.binding_data = binding_data
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self.src_dir = os.path.dirname(__file__)
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def free_value(self, fd, type, name = None):
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if not name:
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name = arg_name(type)
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if not name:
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raise Exception('Cannot free, missing a name')
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if is_cstring(type):
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print_(' lasso_release_string(%s);' % name, file=fd)
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elif is_int(type, self.binding_data) or is_boolean(type):
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pass
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elif is_xml_node(type):
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print_(' lasso_release_xml_node(%s);' % name, file=fd)
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elif is_glist(type):
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etype = element_type(type)
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if is_cstring(etype):
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print_(' lasso_release_list_of_strings(%s);' % name, file=fd)
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elif is_object(etype):
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print_(' lasso_release_list_of_gobjects(%s);' % name, file=fd)
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else:
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raise Exception('Unsupported caller owned return type %s' % ((repr(type), name),))
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elif is_hashtable(type):
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el_type = element_type(type)
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k_type = key_type(type)
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v_type = value_type(type)
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if is_cstring(el_type) or (is_cstring(k_type) and is_cstring(v_type)):
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print_(' if (%s) { g_hash_table_destroy(%s); }' % (name, name), file=fd)
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else:
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raise Exception('Unsupported free value of type GHashTable: %s' % type)
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elif is_object(type):
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print_(' if (return_value) g_object_unref(%s);' % name, file=fd)
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else:
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raise Exception('Unsupported caller owned return type %s' % ((repr(type), name),))
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def generate(self):
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fd = open('lasso.py', 'w')
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self.generate_header(fd)
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self.generate_exceptions(fd)
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self.generate_constants(fd)
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for clss in self.binding_data.structs:
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self.generate_class(clss, fd)
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self.generate_functions(fd)
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self.generate_footer(fd)
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fd.close()
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fd = open('_lasso.c', 'w')
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self.generate_wrapper(fd)
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fd.close()
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def generate_header(self, fd):
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print_('''\
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# this file has been generated automatically; do not edit
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import _lasso
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import sys
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def cptrToPy(cptr):
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if cptr is None:
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return None
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klass = getattr(lasso, cptr.typename)
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o = klass.__new__(klass)
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o._cptr = cptr
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return o
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if sys.version_info >= (3,):
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def str2lasso(s):
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return s
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else: # Python 2.x
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def str2lasso(s):
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if isinstance(s, unicode):
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return s.encode('utf-8')
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return s
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class frozendict(dict):
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\'\'\'Immutable dict\'\'\'
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# from Python Cookbook:
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# http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/414283
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def _blocked_attribute(obj):
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raise AttributeError('A frozendict cannot be modified.')
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_blocked_attribute = property(_blocked_attribute)
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__delitem__ = __setitem__ = clear = _blocked_attribute
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pop = popitem = setdefault = update = _blocked_attribute
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def __new__(cls, *args):
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new = dict.__new__(cls)
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dict.__init__(new, *args)
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return new
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def __init__(self, *args):
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pass
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def __hash__(self):
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try:
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return self._cached_hash
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except AttributeError:
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h = self._cached_hash = hash(tuple(sorted(self.items())))
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return h
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def __repr__(self):
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return 'frozendict(%s)' % dict.__repr__(self)
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''', file=fd)
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def generate_exceptions(self, fd):
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done_cats = []
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print_('''\
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class Error(Exception):
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code = None
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@staticmethod
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def raise_on_rc(rc):
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global exceptions_dict
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if rc != 0:
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exception = exceptions_dict.get(rc, Error())
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exception.code = rc
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raise exception
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def __str__(self):
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if self.code:
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return '<lasso.%s(%s): %s>' % (self.__class__.__name__, self.code, _lasso.strError(self.code))
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else:
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if sys.version_info >= (3,):
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return '<lasso.%s: %s>' % (self.__class__.__name__, super().__str__())
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else:
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return '<lasso.%s: %s>' % (self.__class__.__name__, self.message)
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def __getitem__(self, i):
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# compatibility with SWIG bindings
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if i == 0:
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return self.code
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elif i == 1:
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return _lasso.strError(self.code)
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else:
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raise IndexError()
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''', file=fd)
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for exc_cat in self.binding_data.overrides.findall('exception/category'):
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cat = exc_cat.attrib.get('name')
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done_cats.append(cat)
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parent_cat = exc_cat.attrib.get('parent', '')
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print_('''\
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class %sError(%sError):
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pass
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''' % (cat, parent_cat), file=fd)
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exceptions_dict = {}
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for c in self.binding_data.constants:
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m = re.match(r'LASSO_(\w+)_ERROR_(.*)', c[1])
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if not m:
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continue
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cat, detail = m.groups()
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cat = cat.title().replace('_', '')
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detail = (cat + '_' + detail).title().replace('_', '')
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if not cat in done_cats:
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done_cats.append(cat)
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for exc_cat in self.binding_data.overrides.findall('exception/category'):
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if exc_cat.attrib.get('name') == cat:
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parent_cat = exc_cat.attrib.get('parent')
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break
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else:
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parent_cat = ''
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print_('''\
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class %sError(%sError):
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pass
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''' % (cat, parent_cat), file=fd)
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exceptions_dict[detail] = c[1][6:]
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if (detail, cat) == ('UnsupportedProfile', 'Logout'):
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# skip Logout/UnsupportedProfile exception as its name would
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# be the same as Profile/UnsupportedProfile; it is not a
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# problem skipping it as they both inherit from ProfileError
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# and the exception code will correctly be set by raise_on_rc
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# afterwards. (actually it is even totally unnecessary to skip
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# it here as Profile/UnsupportedProfile is handled after
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# Logout/UnsupportedProfile, this is just done in the case the
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# ordering would change)
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continue
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print_('''\
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class %sError(%sError):
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pass
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''' % (detail, cat), file=fd)
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print_('exceptions_dict = {', file=fd)
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for k, v in exceptions_dict.items():
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print_(' _lasso.%s: %sError,' % (v, k), file=fd)
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print_('}', file=fd)
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print_('', file=fd)
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def generate_footer(self, fd):
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print_('''
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def _profileGetIssuer(cls, *args, **kwargs):
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return profileGetIssuer(*args, **kwargs)
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Profile.getIssuer = classmethod(_profileGetIssuer)
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import lasso
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# backward compatibility with the SWIG binding
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WSF_SUPPORT = WSF_ENABLED
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Profile.isIdentityDirty = property(Profile.hasDirtyIdentity)
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Profile.isSessionDirty = property(Profile.hasDirtySession)
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def identity_get_provider_ids(self):
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return self.federations.keys()
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Identity.providerIds = property(identity_get_provider_ids)
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def server_get_provider_ids(self):
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return self.providers.keys()
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Server.providerIds = property(server_get_provider_ids)
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def session_get_provider_ids(self):
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return self.assertions.keys()
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Session.providerIds = property(session_get_provider_ids)
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def LassoNode__getstate__(self):
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return { '__dump__': self.dump() }
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def LassoNode__setstate__(self, d):
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self._cptr = _lasso.node_new_from_dump(d.pop('__dump__'))
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Node.__getstate__ = LassoNode__getstate__
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Node.__setstate__ = LassoNode__setstate__
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Samlp2AuthnRequest.nameIDPolicy = Samlp2AuthnRequest.nameIdPolicy
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LibAuthnRequest.nameIDPolicy = LibAuthnRequest.nameIdPolicy
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Saml2Subject.nameID = Saml2Subject.nameId
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MiscTextNode.text_child = MiscTextNode.textChild
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NodeList = list
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StringList = list
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StringDict = dict
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registerIdWsf2DstService = registerIdwsf2DstService
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if WSF_SUPPORT:
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DiscoDescription_newWithBriefSoapHttpDescription = DiscoDescription.newWithBriefSoapHttpDescription
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Discovery.buildRequestMsg = Discovery.buildSoapRequestMsg
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InteractionProfileService.buildRequestMsg = InteractionProfileService.buildSoapRequestMsg
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InteractionProfileService.buildResponseMsg = InteractionProfileService.buildSoapResponseMsg
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DataService.buildRequestMsg = DataService.buildSoapRequestMsg
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DiscoModifyResponse.newEntryIds = DiscoModifyResponse.newEntryIDs
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''', file=fd)
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def generate_constants(self, fd):
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print_('### Constants (both enums and defines)', file=fd)
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for c in self.binding_data.constants:
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print_('%s = _lasso.%s' % (c[1][6:], c[1][6:]), file=fd)
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for c in self.binding_data.overrides.findall('constant'):
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name = c.attrib.get('name')
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if c.attrib.get('value'):
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name = name[6:] # dropping LASSO_
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value = c.attrib.get('value')
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if value == 'True':
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print_('%s = True' % name, file=fd)
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else:
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print_('E: unknown value for constant: %r' % value, file=sys.stderr)
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print_('', file=fd)
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def generate_class(self, clss, fd):
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klassname = clss.name[5:] # remove Lasso from class name
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if clss.parent == 'GObject':
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parentname = 'object'
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else:
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parentname = clss.parent[5:]
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print_('''class %(klassname)s(%(parentname)s):''' % locals(), file=fd)
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methods = clss.methods[:]
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# constructor(s)
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method_prefix = 'lasso_' + format_as_underscored(klassname) + '_'
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empty = True
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for m in self.binding_data.functions:
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if m.name == method_prefix + 'new':
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empty = False
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c_args = []
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py_args = []
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for arg in m.args:
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py_args.append(get_python_arg_decl(arg))
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if not is_int(arg, self.binding_data) and is_object(arg):
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c_args.append('%(name)s and %(name)s._cptr' % { 'name' : arg_name(arg) })
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elif is_cstring(arg):
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c_args.append('str2lasso(%s)' % arg_name(arg))
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else:
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c_args.append(arg_name(arg))
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py_args = remove_bad_optional(py_args)
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c_args = ', '.join(c_args)
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py_args = ', ' + ', '.join(py_args)
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print_(' def __init__(self%s):' % py_args, file=fd)
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# XXX: could check self._cptr.typename to see if it got the
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# right class type
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print_(' self._cptr = _lasso.%s(%s)' % (
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m.name[6:], c_args), file=fd)
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print_(' if self._cptr is None:', file=fd)
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print_(' raise Error(\'failed to create object\')', file=fd)
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print_('', file=fd)
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for m in self.binding_data.functions:
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if m.name.startswith(method_prefix + 'new_'):
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empty = False
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constructor_name = format_as_camelcase(m.name[len(method_prefix):])
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c_args = []
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py_args = []
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for arg in m.args:
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aname = arg_name(arg)
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py_args.append(get_python_arg_decl(arg))
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if not is_int(arg, self.binding_data) and is_object(arg):
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c_args.append('%s and %s._cptr' % (aname, aname))
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elif is_cstring(arg):
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c_args.append('str2lasso(%s)' % arg_name(arg))
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else:
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c_args.append(aname)
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opt = False
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py_args = remove_bad_optional(py_args)
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for x in py_args:
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if '=' in x:
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opt = True
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elif opt:
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print_('W: non-optional follows optional,', m, file=sys.stderr)
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c_args = ', '.join(c_args)
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py_args = ', ' + ', '.join(py_args)
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print_(' @classmethod', file=fd)
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print_(' def %s(cls%s):' % (constructor_name, py_args), file=fd)
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print_(' return cptrToPy(_lasso.%s(%s))' % (m.name[6:], c_args), file=fd)
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print_('', file=fd)
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# create properties for members
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for m in clss.members:
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empty = False
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mname = format_as_camelcase(m[1])
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options = m[2]
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# getter
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print_(' def get_%s(self):' % mname, file=fd)
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print_(' t = _lasso.%s_%s_get(self._cptr)' % (
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klassname, mname), file=fd)
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if is_int(m, self.binding_data) or is_xml_node(m) or is_cstring(m) or is_boolean(m):
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pass
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elif is_object(m):
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print_(' t = cptrToPy(t)', file=fd)
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elif is_glist(m):
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el_type = element_type(m)
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if is_cstring(el_type):
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pass
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elif is_xml_node(el_type):
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pass
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elif is_object(el_type):
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print_(' if not t: return t', file=fd)
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print_(' t = tuple([cptrToPy(x) for x in t])', file=fd)
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else:
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raise Exception('Unsupported python getter %s.%s' % (clss, m))
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elif is_hashtable(m):
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el_type = element_type(m)
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print_(' if not t: return t', file=fd)
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if is_object(el_type):
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print_(' d2 = {}', file=fd)
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print_(' for k, v in t.items():', file=fd)
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print_(' d2[k] = cptrToPy(v)', file=fd)
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print_(' t = frozendict(d2)', file=fd)
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else:
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print_(' t = frozendict(t)', file=fd)
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elif is_boolean(m) or is_int(m, self.binding_data) or is_xml_node(m) or is_cstring(m):
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pass
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else:
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raise Exception('Unsupported python getter %s.%s' % (clss, m))
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print_(' return t;', file=fd)
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# setter
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print_(' def set_%s(self, value):' % mname, file=fd)
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if is_int(m, self.binding_data) or is_xml_node(m) or is_boolean(m):
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pass
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elif is_cstring(m):
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print_(' value = str2lasso(value)', file=fd)
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elif is_object(m):
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print_(' if value is not None:', file=fd)
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print_(' value = value and value._cptr', file=fd)
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elif is_glist(m):
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el_type = element_type(m)
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if is_cstring(el_type) or is_xml_node(el_type):
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pass
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elif is_object(el_type):
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print_(' if value is not None:', file=fd)
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print_(' value = tuple([x._cptr for x in value])', file=fd)
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else:
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raise Exception('Unsupported python setter %s.%s' % (clss, m))
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elif is_hashtable(m):
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print_('W: unsupported setter for hashtable %s' % (m,), file=sys.stderr)
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else:
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print_('W: unsupported setter for %s' % (m,), file=sys.stderr)
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print_(' _lasso.%s_%s_set(self._cptr, value)' % (
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klassname, mname), file=fd)
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print_(' %s = property(get_%s, set_%s)' % (mname, mname, mname), file=fd)
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old_mname = old_format_as_camelcase(m[1])
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if mname != old_mname:
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print_(' %s = %s' % (old_mname, mname), file=fd)
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print_('', file=fd)
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# first pass on methods, getting accessors
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# second pass on methods, real methods
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for m in methods:
|
|
empty = False
|
|
if m.name.endswith('_new') or m.name.endswith('_new_from_dump') or \
|
|
m.name.endswith('_new_full'):
|
|
continue
|
|
if not m.name.startswith(method_prefix):
|
|
print_('W:', m.name, 'vs', method_prefix, file=sys.stderr)
|
|
continue
|
|
|
|
if m.rename:
|
|
mname = m.rename[len(method_prefix):]
|
|
function_name = m.rename[6:]
|
|
else:
|
|
mname = m.name[len(method_prefix):]
|
|
function_name = m.name[6:]
|
|
py_args = []
|
|
c_args = []
|
|
outarg = None
|
|
for arg in m.args[1:]:
|
|
if is_out(arg):
|
|
assert not outarg
|
|
outarg = arg
|
|
outvar = '_%s_out' % arg_name(arg)
|
|
else:
|
|
py_args.append(get_python_arg_decl(arg))
|
|
|
|
if is_out(arg):
|
|
c_args.append(outvar)
|
|
elif is_cstring(arg):
|
|
c_args.append('str2lasso(%s)' % arg_name(arg))
|
|
elif is_xml_node(arg) or is_boolean(arg) or is_cstring(arg) or is_int(arg, self.binding_data) or is_glist(arg) or is_hashtable(arg) or is_time_t_pointer(arg):
|
|
c_args.append(arg_name(arg))
|
|
elif is_object(arg):
|
|
c_args.append('%(name)s and %(name)s._cptr' % { 'name': arg_name(arg) })
|
|
else:
|
|
raise Exception('Does not handle argument of type: %s' % ((m, arg),))
|
|
# check py_args
|
|
py_args = remove_bad_optional(py_args)
|
|
opt = False
|
|
for x in py_args:
|
|
if '=' in x:
|
|
opt = True
|
|
elif opt:
|
|
print_('W: non-optional follow optional,', m, file=sys.stderr)
|
|
|
|
if py_args:
|
|
py_args = ', ' + ', '.join(py_args)
|
|
else:
|
|
py_args = ''
|
|
if c_args:
|
|
c_args = ', ' + ', '.join(c_args)
|
|
else:
|
|
c_args = ''
|
|
|
|
print_(' def %s(self%s):' % (
|
|
format_underscore_as_camelcase(mname), py_args), file=fd)
|
|
if m.docstring:
|
|
print_(" '''", file=fd)
|
|
print_(self.format_docstring(m, mname, 8), file=fd)
|
|
print_(" '''", file=fd)
|
|
|
|
if outarg:
|
|
print_(" %s = list((None,))" % outvar, file=fd)
|
|
return_type = m.return_type
|
|
return_type_qualifier = m.return_type_qualifier
|
|
assert is_int(make_arg(return_type),self.binding_data) or not outarg
|
|
if return_type in (None, 'void'):
|
|
print_(' _lasso.%s(self._cptr%s)' % (
|
|
function_name, c_args), file=fd)
|
|
elif is_rc(m.return_arg):
|
|
print_(' rc = _lasso.%s(self._cptr%s)' % (
|
|
function_name, c_args), file=fd)
|
|
print_(' Error.raise_on_rc(rc)', file=fd)
|
|
elif (is_int(m.return_arg, self.binding_data) or is_xml_node(m.return_arg) or
|
|
is_cstring(m.return_arg) or is_boolean(m.return_arg) or
|
|
is_hashtable(m.return_arg)):
|
|
print_(' return _lasso.%s(self._cptr%s)' % (
|
|
function_name, c_args), file=fd)
|
|
elif is_glist(m.return_arg):
|
|
el_type = element_type(m.return_arg)
|
|
if is_object(el_type):
|
|
print_(' value = _lasso.%s(self._cptr%s)' % (
|
|
function_name, c_args), file=fd)
|
|
print_(' if value is not None:', file=fd)
|
|
print_(' value = tuple([cptrToPy(x) for x in value])', file=fd)
|
|
print_(' return value', file=fd)
|
|
elif is_cstring(el_type) or is_xml_node(el_type):
|
|
print_(' return _lasso.%s(self._cptr%s)' % (
|
|
function_name, c_args), file=fd)
|
|
else:
|
|
raise Exception('Return Type GList<%s> is not supported' % el_type)
|
|
elif is_object(m.return_arg):
|
|
print_(' return cptrToPy(_lasso.%s(self._cptr%s))' % (
|
|
function_name, c_args), file=fd)
|
|
else:
|
|
raise Exception('Return type %s is unsupported' % (m.return_arg,))
|
|
if outarg:
|
|
print_(' return %s[0]' % outvar, file=fd)
|
|
print_('', file=fd)
|
|
# transform methods to properties
|
|
for m in methods:
|
|
if len(m.args) > 1:
|
|
continue
|
|
name = m.rename or m.name
|
|
suffix = name[len(method_prefix)+len('get_'):]
|
|
if clss.getMember(suffix):
|
|
print_('W: method %s and member %s clashes' % (m.name, arg_name(clss.getMember(suffix))), file=sys.stderr)
|
|
continue
|
|
if not name.startswith(method_prefix) or not name[len(method_prefix):].startswith('get_'):
|
|
continue
|
|
setter_suffix = 'set_' + suffix
|
|
setter = None
|
|
for n in methods:
|
|
if n.name.endswith(setter_suffix) and len(n.args) == 2:
|
|
setter = n
|
|
pname = format_as_camelcase(name[len(method_prefix)+len('get_'):])
|
|
fname = format_as_camelcase(name[len(method_prefix):])
|
|
if not setter:
|
|
print_(' %s = property(%s)' % (pname, fname), file=fd)
|
|
else:
|
|
f2name = format_as_camelcase(setter.name[len(method_prefix):])
|
|
print_(' %s = property(%s, %s)' % (pname, fname, f2name), file=fd)
|
|
if empty:
|
|
print_(' pass', file=fd)
|
|
print_('', file=fd)
|
|
|
|
def format_docstring(self, func, method_name, indent):
|
|
if func.args:
|
|
first_arg_name = func.args[0][1]
|
|
else:
|
|
first_arg_name = None
|
|
|
|
def format_inlines_sub(s):
|
|
type = s.group(1)[0]
|
|
var = s.group(1)[1:]
|
|
if type == '#': # struct
|
|
if var.startswith('Lasso'):
|
|
return 'L{%s}' % var[5:]
|
|
elif type == '%': # %TRUE, %FALSE
|
|
if var == 'TRUE':
|
|
return 'True'
|
|
if var == 'FALSE':
|
|
return 'False'
|
|
print_('W: unknown docstring thingie: %s' % s.group(1), file=sys.stderr)
|
|
elif type == '@':
|
|
if var == first_arg_name:
|
|
var = 'self'
|
|
return 'C{%s}' % var
|
|
return s.group(1)
|
|
|
|
regex = re.compile(r'([\#%@]\w+)', re.DOTALL)
|
|
|
|
def format_inline(s):
|
|
s = regex.sub(format_inlines_sub, s)
|
|
return s.replace('NULL', 'None')
|
|
|
|
docstring = func.docstring
|
|
s = []
|
|
|
|
if docstring.description:
|
|
for paragraph in docstring.description.split('\n\n'):
|
|
if '<itemizedlist>' in paragraph:
|
|
before, after = paragraph.split('<itemizedlist>' ,1)
|
|
if before:
|
|
s.append('\n'.join(textwrap.wrap(
|
|
format_inline(before), 70)))
|
|
|
|
# remove tags
|
|
after = after.replace('<itemizedlist>', '')
|
|
after = after.replace('</itemizedlist>', '')
|
|
|
|
for listitem in after.split('<listitem><para>'):
|
|
listitem = listitem.replace('</para></listitem>', '').strip()
|
|
s.append('\n'.join(textwrap.wrap(
|
|
format_inline(listitem), 70,
|
|
initial_indent = ' - ',
|
|
subsequent_indent = ' ')))
|
|
s.append('\n\n')
|
|
|
|
else:
|
|
s.append('\n'.join(textwrap.wrap(
|
|
format_inline(paragraph), 70)))
|
|
s.append('\n\n')
|
|
|
|
for param in docstring.parameters:
|
|
s.append('\n'.join(textwrap.wrap(
|
|
format_inline(param[1]), 70,
|
|
initial_indent = '@param %s: ' % param[0],
|
|
subsequent_indent = 4*' ')))
|
|
s.append('\n')
|
|
if docstring.return_value:
|
|
rv = docstring.return_value
|
|
exceptions_instead = ['0 on success; or a negative value otherwise.',
|
|
'0 on success; a negative value if an error occured.',
|
|
'0 on success; another value if an error occured.']
|
|
if not rv in exceptions_instead:
|
|
owner_info = ['This xmlnode must be freed by caller.',
|
|
'The string must be freed by the caller.',
|
|
'It must be freed by the caller.',
|
|
'This string must be freed by the caller.']
|
|
for o_i in owner_info:
|
|
rv = rv.replace(o_i, '')
|
|
s.append('\n'.join(textwrap.wrap(
|
|
format_inline(rv), 70,
|
|
initial_indent = '@return: ',
|
|
subsequent_indent = 4*' ')))
|
|
s.append('\n')
|
|
|
|
|
|
if s:
|
|
s[-1] = s[-1].rstrip() # remove trailing newline from last line
|
|
|
|
return '\n'.join([(indent*' ')+x for x in ''.join(s).splitlines()])
|
|
|
|
|
|
def generate_functions(self, fd):
|
|
for m in self.binding_data.functions:
|
|
if m.name.endswith('_new') or '_new_' in m.name:
|
|
continue
|
|
if m.rename:
|
|
pname = m.rename
|
|
name = m.rename
|
|
if name.startswith('lasso_'):
|
|
name = name[6:]
|
|
pname = format_as_camelcase(name)
|
|
else:
|
|
name = m.name[6:]
|
|
pname = format_as_camelcase(name)
|
|
print_('%s = _lasso.%s' % (pname, name), file=fd)
|
|
|
|
|
|
def generate_wrapper(self, fd):
|
|
print_(open(os.path.join(self.src_dir,'wrapper_top.c')).read(), file=fd)
|
|
for h in self.binding_data.headers:
|
|
print_('#include <%s>' % h, file=fd)
|
|
print_('', file=fd)
|
|
|
|
self.generate_constants_wrapper(fd)
|
|
|
|
self.wrapper_list = []
|
|
for m in self.binding_data.functions:
|
|
self.generate_function_wrapper(m, fd)
|
|
for c in self.binding_data.structs:
|
|
self.generate_member_wrapper(c, fd)
|
|
for m in c.methods:
|
|
self.generate_function_wrapper(m, fd)
|
|
self.generate_wrapper_list(fd)
|
|
print_(open(os.path.join(self.src_dir,'wrapper_bottom.c')).read(), file=fd)
|
|
|
|
def generate_constants_wrapper(self, fd):
|
|
print_('''static void
|
|
register_constants(PyObject *d)
|
|
{
|
|
PyObject *obj;
|
|
''', file=fd)
|
|
for c in self.binding_data.constants:
|
|
if c[0] == 'i':
|
|
print_(' obj = PyInt_FromLong(%s);' % c[1], file=fd)
|
|
elif c[0] == 's':
|
|
print_(' obj = PyString_FromString((char*)%s);' % c[1], file=fd)
|
|
elif c[0] == 'b':
|
|
print_('''\
|
|
#ifdef %s
|
|
obj = Py_True;
|
|
#else
|
|
obj = Py_False;
|
|
#endif''' % c[1], file=fd)
|
|
else:
|
|
print_('E: unknown constant type: %r' % c[0], file=sys.stderr)
|
|
print_(' PyDict_SetItemString(d, "%s", obj);' % c[1][6:], file=fd)
|
|
print_(' Py_DECREF(obj);', file=fd)
|
|
print_('}', file=fd)
|
|
print_('', file=fd)
|
|
|
|
|
|
def generate_member_wrapper(self, c, fd):
|
|
klassname = c.name
|
|
for m in c.members:
|
|
name = arg_name(m)
|
|
mname = format_as_camelcase(arg_name(m))
|
|
# getter
|
|
print_('''static PyObject*
|
|
%s_%s_get(G_GNUC_UNUSED PyObject *self, PyObject *args)
|
|
{''' % (klassname[5:], mname), file=fd)
|
|
self.wrapper_list.append('%s_%s_get' % (klassname[5:], mname))
|
|
|
|
ftype = arg_type(m)
|
|
if is_cstring(m):
|
|
ftype = 'char*'
|
|
print_(' %s return_value;' % ftype, file=fd)
|
|
print_(' PyObject* return_pyvalue;', file=fd)
|
|
print_(' PyGObjectPtr* cvt_this;', file=fd)
|
|
print_(' %s* this;' % klassname, file=fd)
|
|
print_('', file=fd)
|
|
print_(' if (! PyArg_ParseTuple(args, "O", &cvt_this)) return NULL;', file=fd)
|
|
print_(' this = (%s*)cvt_this->obj;' % klassname, file=fd)
|
|
print_(' return_value = this->%s;' % arg_name(m), file=fd)
|
|
try:
|
|
self.return_value(fd, m)
|
|
except:
|
|
print_('W: cannot make an assignment for', c, m, file=sys.stderr)
|
|
raise
|
|
print_(' return return_pyvalue;', file=fd)
|
|
print_('}', file=fd)
|
|
print_('', file=fd)
|
|
|
|
# setter
|
|
print_('''static PyObject*
|
|
%s_%s_set(G_GNUC_UNUSED PyObject *self, PyObject *args)
|
|
{''' % (klassname[5:], mname), file=fd)
|
|
self.wrapper_list.append('%s_%s_set' % (klassname[5:], mname))
|
|
|
|
print_(' PyGObjectPtr* cvt_this;', file=fd)
|
|
print_(' %s* this;' % klassname, file=fd)
|
|
type = m[0]
|
|
# Determine type class
|
|
if is_cstring(m):
|
|
type = type.replace('const ', '')
|
|
parse_format = 'z'
|
|
parse_arg = '&value'
|
|
print_(' %s value;' % type, file=fd)
|
|
elif is_int(m, self.binding_data):
|
|
parse_format = 'l'
|
|
parse_arg = '&value'
|
|
print_(' long value;', file=fd)
|
|
elif is_glist(m) or is_hashtable(m) or is_xml_node(m) or is_boolean(m):
|
|
parse_format = 'O'
|
|
print_(' PyObject *cvt_value;', file=fd)
|
|
parse_arg = '&cvt_value'
|
|
elif is_object(m):
|
|
parse_format = 'O'
|
|
print_(' PyGObjectPtr *cvt_value;', file=fd)
|
|
parse_arg = '&cvt_value'
|
|
else:
|
|
raise Exception('Unsupported field: %s' % (m,))
|
|
# Get GObject
|
|
print_(' if (! PyArg_ParseTuple(args, "O%s", &cvt_this, %s)) return NULL;' % (
|
|
parse_format, parse_arg), file=fd)
|
|
print_(' this = (%s*)cvt_this->obj;' % klassname, file=fd)
|
|
# Change value
|
|
if is_int(m, self.binding_data):
|
|
print_(' this->%s = value;' % name, file=fd)
|
|
elif is_boolean(m):
|
|
print_(' this->%s = PyInt_AS_LONG(cvt_value) ? TRUE : FALSE;' % name, file=fd)
|
|
elif is_cstring(m):
|
|
print_(' lasso_assign_string(this->%s, value);' % name, file=fd)
|
|
elif is_xml_node(m):
|
|
print_(' if (this->%s) xmlFreeNode(this->%s);' % (name, name), file=fd)
|
|
print_(' this->%s = get_xml_node_from_pystring(cvt_value);' % name, file=fd)
|
|
elif is_glist(m):
|
|
el_type = element_type(m)
|
|
if is_cstring(el_type):
|
|
print_(' RETURN_IF_FAIL(set_list_of_strings(&this->%s, cvt_value));' % name, file=fd)
|
|
elif is_xml_node(el_type):
|
|
print_(' RETURN_IF_FAIL(set_list_of_xml_nodes(&this->%s, cvt_value));' % name, file=fd)
|
|
elif is_object(el_type):
|
|
print_(' RETURN_IF_FAIL(set_list_of_pygobject(&this->%s, cvt_value));' % name, file=fd)
|
|
else:
|
|
raise Exception('Unsupported setter for %s' % (m,))
|
|
elif is_hashtable(m):
|
|
el_type = element_type(m)
|
|
if is_object(el_type):
|
|
print_(' RETURN_IF_FAIL(set_hashtable_of_pygobject(this->%s, cvt_value));' % name, file=fd)
|
|
else:
|
|
print_(' RETURN_IF_FAIL(set_hashtable_of_strings(this->%s, cvt_value));' % name, file=fd)
|
|
elif is_object(m):
|
|
print_(' set_object_field((GObject**)&this->%s, cvt_value);' % name, file=fd)
|
|
else:
|
|
raise Exception('Unsupported member %s.%s' % (klassname, m))
|
|
print_(' return noneRef();', file=fd)
|
|
print_('}', file=fd)
|
|
print_('', file=fd)
|
|
|
|
|
|
def return_value(self, fd, arg, return_var_name = 'return_value', return_pyvar_name = 'return_pyvalue'):
|
|
if is_boolean(arg):
|
|
print_(' if (%s) {' % return_var_name, file=fd)
|
|
print_(' Py_INCREF(Py_True);', file=fd)
|
|
print_(' %s = Py_True;' % return_pyvar_name, file=fd)
|
|
print_(' } else {', file=fd)
|
|
print_(' Py_INCREF(Py_False);', file=fd)
|
|
print_(' %s = Py_False;' % return_pyvar_name, file=fd)
|
|
print_(' }', file=fd)
|
|
elif is_int(arg, self.binding_data):
|
|
print_(' %s = PyInt_FromLong(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
elif is_cstring(arg) and is_transfer_full(arg):
|
|
print_(' if (%s) {' % return_var_name, file=fd)
|
|
print_(' %s = PyString_FromString(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
print_(' } else {', file=fd)
|
|
print_(' %s = noneRef();' % return_pyvar_name, file=fd)
|
|
print_(' }', file=fd)
|
|
elif is_cstring(arg):
|
|
print_(' if (%s) {' % return_var_name, file=fd)
|
|
print_(' %s = PyString_FromString(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
print_(' } else {', file=fd)
|
|
print_(' %s = noneRef();' % return_pyvar_name, file=fd)
|
|
print_(' }', file=fd)
|
|
elif is_glist(arg):
|
|
el_type = element_type(arg)
|
|
if is_object(el_type):
|
|
print_(' %s = get_list_of_pygobject(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
elif is_cstring(el_type):
|
|
print_(' %s = get_list_of_strings(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
elif is_xml_node(el_type):
|
|
print_(' %s = get_list_of_xml_nodes(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
else:
|
|
raise Exception('failed to make an assignment for %s' % (arg,))
|
|
elif is_hashtable(arg):
|
|
el_type = element_type(arg)
|
|
if is_object(el_type):
|
|
print_(' %s = get_dict_from_hashtable_of_objects(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
else:
|
|
print_(' %s = get_dict_from_hashtable_of_strings(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
elif is_xml_node(arg):
|
|
# convert xmlNode* to strings
|
|
print_(' if (%s) {' % return_var_name, file=fd)
|
|
print_(' %s = get_pystring_from_xml_node(%s);' % (return_pyvar_name, return_var_name), file=fd)
|
|
print_(' } else {', file=fd)
|
|
print_(' %s = noneRef();' % return_pyvar_name, file=fd)
|
|
print_(' }', file=fd)
|
|
elif is_object(arg):
|
|
# return a PyGObjectPtr (wrapper around GObject)
|
|
print_('''\
|
|
if (%s) {
|
|
%s = PyGObjectPtr_New(G_OBJECT(%s));
|
|
} else {
|
|
%s = noneRef();
|
|
}
|
|
''' % (return_var_name, return_pyvar_name, return_var_name, return_pyvar_name), file=fd)
|
|
else:
|
|
raise Exception('failed to make an assignment for %s' % (arg,))
|
|
|
|
def generate_function_wrapper(self, m, fd):
|
|
if m.rename:
|
|
name = m.rename
|
|
if name.startswith('lasso_'):
|
|
name = name[6:]
|
|
else:
|
|
name = m.name[6:]
|
|
self.wrapper_list.append(name)
|
|
print_('''static PyObject*
|
|
%s(G_GNUC_UNUSED PyObject *self, PyObject *args)
|
|
{
|
|
int ok = 1;''' % name, file=fd)
|
|
parse_tuple_format = []
|
|
parse_tuple_args = []
|
|
for arg in m.args:
|
|
atype = arg_type(arg)
|
|
aname = arg_name(arg)
|
|
arg_def = None
|
|
python_cvt_def = None
|
|
defval = None
|
|
if is_optional(arg):
|
|
if not '|' in parse_tuple_format:
|
|
parse_tuple_format.append('|')
|
|
if is_cstring(arg):
|
|
atype = unconstify(atype)
|
|
if is_optional(arg):
|
|
parse_tuple_format.append('z')
|
|
else:
|
|
parse_tuple_format.append('s')
|
|
parse_tuple_args.append('&%s' % aname)
|
|
arg_def = ' %s %s = NULL;' % (arg[0], arg[1])
|
|
elif is_int(arg, self.binding_data) or is_boolean(arg):
|
|
parse_tuple_format.append('i')
|
|
parse_tuple_args.append('&%s' % aname)
|
|
if arg_default(arg):
|
|
defval = arg_default(arg)
|
|
if defval.startswith('b:'):
|
|
defval = defval[2:].upper()
|
|
else:
|
|
defval = defval[2:]
|
|
arg_def = ' %s %s = %s;' % (arg[0], arg[1], defval)
|
|
else:
|
|
arg_def = ' %s %s;' % (arg[0], arg[1])
|
|
elif is_hashtable(arg) or is_xml_node(arg) or is_list(arg) or is_time_t_pointer(arg):
|
|
parse_tuple_format.append('O')
|
|
parse_tuple_args.append('&cvt_%s' % aname)
|
|
arg_def = ' %s %s = NULL;' % (arg[0], arg[1])
|
|
python_cvt_def = ' PyObject *cvt_%s = NULL;' % aname
|
|
else:
|
|
parse_tuple_format.append('O')
|
|
parse_tuple_args.append('&cvt_%s' % aname)
|
|
arg_def = ' %s %s = NULL;' % (arg[0], arg[1])
|
|
python_cvt_def = ' PyGObjectPtr *cvt_%s = NULL;' % aname
|
|
if is_out(arg):
|
|
arg_def = ' %s %s = NULL;' % (var_type(arg), arg[1])
|
|
parse_tuple_format.pop()
|
|
parse_tuple_format.append('O')
|
|
parse_tuple_args.pop()
|
|
parse_tuple_args.append('&cvt_%s_out' % aname)
|
|
python_cvt_def = ' PyObject *cvt_%s_out = NULL;' % aname
|
|
print_(' PyObject *out_pyvalue = NULL;', file=fd)
|
|
print_(arg_def, file=fd)
|
|
if python_cvt_def:
|
|
print_(python_cvt_def, file=fd)
|
|
|
|
if m.return_type:
|
|
print_(' %s return_value;' % m.return_type, file=fd)
|
|
print_(' PyObject* return_pyvalue = NULL;', file=fd)
|
|
print_('', file=fd)
|
|
|
|
parse_tuple_args = ', '.join(parse_tuple_args)
|
|
if parse_tuple_args:
|
|
parse_tuple_args = ', ' + parse_tuple_args
|
|
|
|
print_(' if (! PyArg_ParseTuple(args, "%s"%s)) return NULL;' % (
|
|
''.join(parse_tuple_format), parse_tuple_args), file=fd)
|
|
|
|
for f, arg in zip([ x for x in parse_tuple_format if x != '|'], m.args):
|
|
if is_out(arg):
|
|
continue
|
|
if is_list(arg):
|
|
qualifier = element_type(arg)
|
|
if is_cstring(qualifier):
|
|
print_(' EXIT_IF_FAIL(set_list_of_strings(&%s, cvt_%s));' % (arg[1], arg[1]), file=fd)
|
|
elif is_xml_node(qualifier):
|
|
print_(' EXIT_IF_FAIL(set_list_of_xml_nodes(&%s, cvt_%s));' % (arg[1], arg[1]), file=fd)
|
|
elif isinstance(qualifier, str) and qualifier.startswith('Lasso'):
|
|
print_(' EXIT_IF_FAIL(set_list_of_pygobject(&%s, cvt_%s));' % (arg[1], arg[1]), file=fd)
|
|
else:
|
|
print_('E: unqualified GList argument in', name, qualifier, arg, file=sys.stderr)
|
|
elif is_xml_node(arg):
|
|
print_(' %s = get_xml_node_from_pystring(cvt_%s);' % (arg[1], arg[1]), file=fd)
|
|
elif is_time_t_pointer(arg):
|
|
print_(' %s = get_time_t(cvt_%s);' % (arg[1], arg[1]), file=fd)
|
|
elif is_hashtable(arg):
|
|
el_type = element_type(arg)
|
|
k_type = key_type(arg)
|
|
v_type = value_type(arg)
|
|
if is_cstring(el_type) or (is_cstring(k_type) and is_cstring(v_type)):
|
|
|
|
print_(' %s = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);' % arg[1], file=fd)
|
|
print_(' EXIT_IF_FAIL(set_hashtable_of_strings(%s, cvt_%s));' % (arg[1], arg[1]), file=fd)
|
|
elif f == 'O':
|
|
if is_optional(arg):
|
|
print_(' if (PyObject_TypeCheck((PyObject*)cvt_%s, &PyGObjectPtrType)) {' % arg[1], file=fd)
|
|
print_(' %s = (%s)cvt_%s->obj;' % (arg[1], arg[0], arg[1]), file=fd)
|
|
print_(' } else {', file=fd)
|
|
print_(' %s = NULL;' % arg[1], file=fd)
|
|
print_(' }', file=fd)
|
|
else:
|
|
print_(' if (PyObject_TypeCheck((PyObject*)cvt_%s, &PyGObjectPtrType)) {' % arg[1], file=fd)
|
|
print_(' %s = (%s)cvt_%s->obj;' % (arg[1], arg[0], arg[1]), file=fd)
|
|
print_(' } else {', file=fd)
|
|
print_(' PyErr_SetString(PyExc_TypeError, "value should be a PyGObject");', file=fd)
|
|
print_(' return NULL;', file=fd)
|
|
print_(' }', file=fd)
|
|
|
|
|
|
if m.return_type:
|
|
print_(' return_value = ', file=fd, end='')
|
|
if 'new' in m.name:
|
|
print_('(%s)' % m.return_type, file=fd)
|
|
else:
|
|
print_(' ', file=fd, end='')
|
|
print_('%s(%s);' % (m.name, ', '.join([ref_name(x) for x in m.args])), file=fd)
|
|
|
|
if m.return_type:
|
|
# Constructor so decrease refcount (it was incremented by PyGObjectPtr_New called
|
|
# in self.return_value
|
|
try:
|
|
self.return_value(fd, m.return_arg)
|
|
except:
|
|
print_('W: cannot assign return value of', m, file=sys.stderr)
|
|
raise
|
|
|
|
if is_transfer_full(m.return_arg, default=True):
|
|
self.free_value(fd, m.return_arg, name = 'return_value')
|
|
|
|
for f, arg in zip(parse_tuple_format, m.args):
|
|
if is_out(arg):
|
|
self.return_value(fd, arg, return_var_name = arg[1], return_pyvar_name = 'out_pyvalue')
|
|
|
|
print_(' EXIT_IF_FAIL(%s);' % arg[1], file=fd)
|
|
print_(' if (PyList_SetItem(cvt_%s_out, 0, out_pyvalue) == -1) {' % arg[1], file=fd)
|
|
print_(' ok = 0;', file=fd)
|
|
print_(' Py_XDECREF(out_pyvalue);', file=fd)
|
|
print_(' }', file=fd)
|
|
elif arg[0] == 'GList*':
|
|
qualifier = arg[2].get('element-type')
|
|
if is_cstring(qualifier):
|
|
print_(' free_list(&%s, (GFunc)g_free);' % arg[1], file=fd)
|
|
elif is_xml_node(qualifier):
|
|
print_(' free_list(&%s, (GFunc)xmlFreeNode);' % arg[1], file=fd)
|
|
elif is_object(qualifier):
|
|
print_(' free_list(&%s, (GFunc)g_object_unref);' % arg[1], file=fd)
|
|
elif is_time_t_pointer(arg):
|
|
print_(' if (%s) free(%s);' % (arg[1], arg[1]), file=fd)
|
|
elif not is_transfer_full(arg) and is_hashtable(arg):
|
|
self.free_value(fd, arg)
|
|
elif not is_transfer_full(arg) and is_xml_node(arg):
|
|
self.free_value(fd, arg)
|
|
|
|
print_('failure:', file=fd)
|
|
|
|
if not m.return_type:
|
|
print_(' if (ok) {', file=fd)
|
|
print_(' return noneRef();', file=fd)
|
|
else:
|
|
print_(' if (ok && return_pyvalue) {', file=fd)
|
|
print_(' return return_pyvalue;', file=fd)
|
|
print_(' } else {', file=fd)
|
|
if m.return_type:
|
|
print_(' Py_XDECREF(return_pyvalue);', file=fd)
|
|
print_(' return NULL;', file=fd)
|
|
print_(' }', file=fd)
|
|
print_('}', file=fd)
|
|
print_('', file=fd)
|
|
|
|
def generate_wrapper_list(self, fd):
|
|
print_('''
|
|
static PyMethodDef lasso_methods[] = {''', file=fd)
|
|
for m in self.wrapper_list:
|
|
print_(' {"%s", %s, METH_VARARGS, NULL},' % (m, m), file=fd)
|
|
print_(' {NULL, NULL, 0, NULL}', file=fd)
|
|
print_('};', file=fd)
|
|
print_('', file=fd)
|
|
|