blender/release/scripts/modules/rna_info.py
2009-12-25 14:42:00 +00:00

560 lines
18 KiB
Python

# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ##### END GPL LICENSE BLOCK #####
# classes for extracting info from blenders internal classes
import bpy
# use to strip python paths
script_paths = bpy.utils.script_paths()
def range_str(val):
if val < -10000000: return '-inf'
if val > 10000000: return 'inf'
if type(val)==float:
return '%g' % val
else:
return str(val)
def float_as_string(f):
val_str = "%g" % f
if '.' not in val_str and '-' not in val_str: # value could be 1e-05
val_str += '.0'
return val_str
class InfoStructRNA:
global_lookup = {}
def __init__(self, rna_type):
self.bl_rna = rna_type
self.identifier = rna_type.identifier
self.name = rna_type.name
self.description = rna_type.description.strip()
# set later
self.base = None
self.nested = None
self.full_path = ""
self.functions = []
self.children = []
self.references = []
self.properties = []
def build(self):
rna_type = self.bl_rna
parent_id = self.identifier
self.properties[:] = [GetInfoPropertyRNA(rna_prop, parent_id) for rna_id, rna_prop in rna_type.properties.items() if rna_id != "rna_type"]
self.functions[:] = [GetInfoFunctionRNA(rna_prop, parent_id) for rna_prop in rna_type.functions.values()]
def get_bases(self):
bases = []
item = self
while item:
item = item.base
if item:
bases.append(item)
return bases
def get_nested_properties(self, ls = None):
if not ls:
ls = self.properties[:]
if self.nested:
self.nested.get_nested_properties(ls)
return ls
def _get_py_visible_attrs(self):
attrs = []
py_class = getattr(bpy.types, self.identifier)
for attr_str in dir(py_class):
if attr_str.startswith("_"):
continue
attrs.append((attr_str, getattr(py_class, attr_str)))
return attrs
def get_py_properties(self):
properties = []
for identifier, attr in self._get_py_visible_attrs():
if type(attr) is property:
properties.append((identifier, attr))
return properties
def get_py_functions(self):
import types
functions = []
for identifier, attr in self._get_py_visible_attrs():
if type(attr) is types.FunctionType:
functions.append((identifier, attr))
return functions
def __repr__(self):
txt = ''
txt += self.identifier
if self.base:
txt += '(%s)' % self.base.identifier
txt += ': ' + self.description + '\n'
for prop in self.properties:
txt += prop.__repr__() + '\n'
for func in self.functions:
txt += func.__repr__() + '\n'
return txt
class InfoPropertyRNA:
global_lookup = {}
def __init__(self, rna_prop):
self.bl_prop = rna_prop
self.identifier = rna_prop.identifier
self.name = rna_prop.name
self.description = rna_prop.description.strip()
self.default_str = "<UNKNOWN>"
def build(self):
rna_prop = self.bl_prop
self.enum_items = []
self.min = getattr(rna_prop, "hard_min", -1)
self.max = getattr(rna_prop, "hard_max", -1)
self.array_length = getattr(rna_prop, "array_length", 0)
self.collection_type = GetInfoStructRNA(rna_prop.srna)
self.is_required = rna_prop.is_required
self.is_readonly = rna_prop.is_readonly
self.is_never_none = rna_prop.is_never_none
self.type = rna_prop.type.lower()
fixed_type = getattr(rna_prop, "fixed_type", "")
if fixed_type:
self.fixed_type = GetInfoStructRNA(fixed_type) # valid for pointer/collections
else:
self.fixed_type = None
if self.type == "enum":
self.enum_items[:] = rna_prop.items.keys()
if self.array_length:
self.default = tuple(getattr(rna_prop, "default_array", ()))
self.default_str = ''
# special case for floats
if len(self.default) > 0:
if type(self.default[0]) is float:
self.default_str = "(%s)" % ", ".join([float_as_string(f) for f in self.default])
if not self.default_str:
self.default_str = str(self.default)
else:
self.default = getattr(rna_prop, "default", "")
if type(self.default) is float:
self.default_str = float_as_string(self.default)
else:
self.default_str = str(self.default)
self.srna = GetInfoStructRNA(rna_prop.srna) # valid for pointer/collections
def get_default_string(self):
# pointer has no default, just set as None
if self.type == "pointer":
return "None"
elif self.type == "string":
return '"' + self.default_str + '"'
elif self.type == "enum":
if self.default_str:
return "'" + self.default_str + "'"
else:
return ""
return self.default_str
def get_arg_default(self, force=True):
default = self.get_default_string()
if default and (force or self.is_required == False):
return "%s=%s" % (self.identifier, default)
return self.identifier
def __repr__(self):
txt = ''
txt += ' * ' + self.identifier + ': ' + self.description
return txt
class InfoFunctionRNA:
global_lookup = {}
def __init__(self, rna_func):
self.bl_func = rna_func
self.identifier = rna_func.identifier
# self.name = rna_func.name # functions have no name!
self.description = rna_func.description.strip()
self.args = []
self.return_value = None
def build(self):
rna_func = self.bl_func
parent_id = rna_func
for rna_id, rna_prop in rna_func.parameters.items():
prop = GetInfoPropertyRNA(rna_prop, parent_id)
if rna_prop.use_return:
self.return_value = prop
else:
self.args.append(prop)
def __repr__(self):
txt = ''
txt += ' * ' + self.identifier + '('
for arg in self.args:
txt += arg.identifier + ', '
txt += '): ' + self.description
return txt
class InfoOperatorRNA:
global_lookup = {}
def __init__(self, rna_op):
self.bl_op = rna_op
self.identifier = rna_op.identifier
mod, name = self.identifier.split("_OT_", 1)
self.module_name = mod.lower()
self.func_name = name
# self.name = rna_func.name # functions have no name!
self.description = rna_op.description.strip()
self.args = []
def build(self):
rna_op = self.bl_op
parent_id = self.identifier
for rna_id, rna_prop in rna_op.properties.items():
if rna_id == "rna_type":
continue
prop = GetInfoPropertyRNA(rna_prop, parent_id)
self.args.append(prop)
def get_location(self):
op_class = getattr(bpy.types, self.identifier)
op_func = getattr(op_class, "execute", None)
if op_func is None:
op_func = getattr(op_class, "invoke", None)
if op_func is None:
op_func = getattr(op_class, "poll", None)
if op_func:
op_code = op_func.__code__
source_path = op_code.co_filename
# clear the prefix
for p in script_paths:
source_path = source_path.split(p)[-1]
if source_path[0] in "/\\":
source_path= source_path[1:]
return source_path, op_code.co_firstlineno
else:
return None, None
'''
def __repr__(self):
txt = ''
txt += ' * ' + self.identifier + '('
for arg in self.args:
txt += arg.identifier + ', '
txt += '): ' + self.description
return txt
'''
def _GetInfoRNA(bl_rna, cls, parent_id=''):
if bl_rna == None:
return None
key = parent_id, bl_rna.identifier
try:
return cls.global_lookup[key]
except:
instance = cls.global_lookup[key] = cls(bl_rna)
return instance
def GetInfoStructRNA(bl_rna):
return _GetInfoRNA(bl_rna, InfoStructRNA)
def GetInfoPropertyRNA(bl_rna, parent_id):
return _GetInfoRNA(bl_rna, InfoPropertyRNA, parent_id)
def GetInfoFunctionRNA(bl_rna, parent_id):
return _GetInfoRNA(bl_rna, InfoFunctionRNA, parent_id)
def GetInfoOperatorRNA(bl_rna):
return _GetInfoRNA(bl_rna, InfoOperatorRNA)
def BuildRNAInfo():
# Use for faster lookups
# use rna_struct.identifier as the key for each dict
rna_struct_dict = {} # store identifier:rna lookups
rna_full_path_dict = {} # store the result of full_rna_struct_path(rna_struct)
rna_children_dict = {} # store all rna_structs nested from here
rna_references_dict = {} # store a list of rna path strings that reference this type
rna_functions_dict = {} # store all functions directly in this type (not inherited)
rna_words = set()
def rna_id_ignore(rna_id):
if rna_id == "rna_type":
return True
if "_OT_" in rna_id:
return True
if "_MT_" in rna_id:
return True
if "_PT_" in rna_id:
return True
if "_HT_" in rna_id:
return True
return False
def full_rna_struct_path(rna_struct):
'''
Needed when referencing one struct from another
'''
nested = rna_struct.nested
if nested:
return "%s.%s" % (full_rna_struct_path(nested), rna_struct.identifier)
else:
return rna_struct.identifier
# def write_func(rna_func, ident):
def base_id(rna_struct):
try: return rna_struct.base.identifier
except: return '' # invalid id
#structs = [(base_id(rna_struct), rna_struct.identifier, rna_struct) for rna_struct in bpy.doc.structs.values()]
'''
structs = []
for rna_struct in bpy.doc.structs.values():
structs.append( (base_id(rna_struct), rna_struct.identifier, rna_struct) )
'''
structs = []
for rna_type_name in dir(bpy.types):
rna_type = getattr(bpy.types, rna_type_name)
try: rna_struct = rna_type.bl_rna
except: rna_struct = None
if rna_struct:
#if not rna_type_name.startswith('__'):
identifier = rna_struct.identifier
if not rna_id_ignore(identifier):
structs.append( (base_id(rna_struct), identifier, rna_struct) )
# Simple lookup
rna_struct_dict[identifier] = rna_struct
# Store full rna path 'GameObjectSettings' -> 'Object.GameObjectSettings'
rna_full_path_dict[identifier] = full_rna_struct_path(rna_struct)
# Store a list of functions, remove inherited later
rna_functions_dict[identifier]= list(rna_struct.functions)
# fill in these later
rna_children_dict[identifier]= []
rna_references_dict[identifier]= []
else:
print("Ignoring", rna_type_name)
# Sucks but we need to copy this so we can check original parent functions
rna_functions_dict__copy = {}
for key, val in rna_functions_dict.items():
rna_functions_dict__copy[key] = val[:]
structs.sort() # not needed but speeds up sort below, setting items without an inheritance first
# Arrange so classes are always defined in the correct order
deps_ok = False
while deps_ok == False:
deps_ok = True
rna_done = set()
for i, (rna_base, identifier, rna_struct) in enumerate(structs):
rna_done.add(identifier)
if rna_base and rna_base not in rna_done:
deps_ok = False
data = structs.pop(i)
ok = False
while i < len(structs):
if structs[i][1]==rna_base:
structs.insert(i+1, data) # insert after the item we depend on.
ok = True
break
i+=1
if not ok:
print('Dependancy "%s" could not be found for "%s"' % (identifier, rna_base))
break
# Done ordering structs
# precalc vars to avoid a lot of looping
for (rna_base, identifier, rna_struct) in structs:
if rna_base:
rna_base_prop_keys = rna_struct_dict[rna_base].properties.keys() # could cache
rna_base_func_keys = [f.identifier for f in rna_struct_dict[rna_base].functions]
else:
rna_base_prop_keys = []
rna_base_func_keys= []
# rna_struct_path = full_rna_struct_path(rna_struct)
rna_struct_path = rna_full_path_dict[identifier]
for rna_prop_identifier, rna_prop in rna_struct.properties.items():
if rna_prop_identifier=='RNA': continue
if rna_id_ignore(rna_prop_identifier): continue
if rna_prop_identifier in rna_base_prop_keys: continue
for rna_prop_ptr in (getattr(rna_prop, "fixed_type", None), getattr(rna_prop, "srna", None)):
# Does this property point to me?
if rna_prop_ptr:
rna_references_dict[rna_prop_ptr.identifier].append( "%s.%s" % (rna_struct_path, rna_prop_identifier) )
for rna_func in rna_struct.functions:
for rna_prop_identifier, rna_prop in rna_func.parameters.items():
if rna_prop_identifier=='RNA': continue
if rna_id_ignore(rna_prop_identifier): continue
if rna_prop_identifier in rna_base_func_keys: continue
try: rna_prop_ptr = rna_prop.fixed_type
except: rna_prop_ptr = None
# Does this property point to me?
if rna_prop_ptr:
rna_references_dict[rna_prop_ptr.identifier].append( "%s.%s" % (rna_struct_path, rna_func.identifier) )
# Store nested children
nested = rna_struct.nested
if nested:
rna_children_dict[nested.identifier].append(rna_struct)
if rna_base:
rna_funcs = rna_functions_dict[identifier]
if rna_funcs:
# Remove inherited functions if we have any
rna_base_funcs = rna_functions_dict__copy[rna_base]
rna_funcs[:] = [f for f in rna_funcs if f not in rna_base_funcs]
rna_functions_dict__copy.clear()
del rna_functions_dict__copy
# Sort the refs, just reads nicer
for rna_refs in rna_references_dict.values():
rna_refs.sort()
info_structs = []
for (rna_base, identifier, rna_struct) in structs:
#if rna_struct.nested:
# continue
#write_struct(rna_struct, '')
info_struct= GetInfoStructRNA(rna_struct)
if rna_base:
info_struct.base = GetInfoStructRNA(rna_struct_dict[rna_base])
info_struct.nested = GetInfoStructRNA(rna_struct.nested)
info_struct.children[:] = rna_children_dict[identifier]
info_struct.references[:] = rna_references_dict[identifier]
info_struct.full_path = rna_full_path_dict[identifier]
info_structs.append(info_struct)
for rna_info_prop in InfoPropertyRNA.global_lookup.values():
rna_info_prop.build()
for rna_info_prop in InfoFunctionRNA.global_lookup.values():
rna_info_prop.build()
for rna_info in InfoStructRNA.global_lookup.values():
rna_info.build()
for prop in rna_info.properties:
prop.build()
for func in rna_info.functions:
func.build()
for prop in func.args:
prop.build()
if func.return_value:
func.return_value.build()
# now for operators
op_mods = dir(bpy.ops)
for op_mod_name in sorted(op_mods):
if op_mod_name.startswith('__') or op_mod_name in ("add", "remove"):
continue
op_mod = getattr(bpy.ops, op_mod_name)
operators = dir(op_mod)
for op in sorted(operators):
try:
rna_prop = getattr(op_mod, op).get_rna()
except AttributeError:
rna_prop = None
except TypeError:
rna_prop = None
if rna_prop:
GetInfoOperatorRNA(rna_prop.bl_rna)
for rna_info in InfoOperatorRNA.global_lookup.values():
rna_info.build()
for rna_prop in rna_info.args:
rna_prop.build()
#for rna_info in InfoStructRNA.global_lookup.values():
# print(rna_info)
return InfoStructRNA.global_lookup, InfoFunctionRNA.global_lookup, InfoOperatorRNA.global_lookup, InfoPropertyRNA.global_lookup