377 lines
13 KiB
Python
377 lines
13 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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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 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 General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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"""
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Dump the python API into a text file so we can generate changelogs.
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output from this tool should be added into "doc/python_api/rst/change_log.rst"
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# dump api blender_version.py in CWD
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blender --background --python doc/python_api/sphinx_changelog_gen.py -- --dump
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# create changelog
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blender --background --factory-startup --python doc/python_api/sphinx_changelog_gen.py -- \
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--api_from blender_2_63_0.py \
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--api_to blender_2_64_0.py \
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--api_out changes.rst
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# Api comparison can also run without blender
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python doc/python_api/sphinx_changelog_gen.py -- \
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--api_from blender_api_2_63_0.py \
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--api_to blender_api_2_64_0.py \
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--api_out changes.rst
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# Save the latest API dump in this folder, renaming it with its revision.
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# This way the next person updating it doesn't need to build an old Blender only for that
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"""
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# format
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'''
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{"module.name":
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{"parent.class":
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{"basic_type", "member_name":
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("Name", type, range, length, default, descr, f_args, f_arg_types, f_ret_types)}, ...
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}, ...
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}
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'''
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api_names = "basic_type" "name", "type", "range", "length", "default", "descr", "f_args", "f_arg_types", "f_ret_types"
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API_BASIC_TYPE = 0
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API_F_ARGS = 7
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def api_dunp_fname():
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import bpy
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return "blender_api_%s.py" % "_".join([str(i) for i in bpy.app.version])
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def api_dump():
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dump = {}
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dump_module = dump["bpy.types"] = {}
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import rna_info
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import inspect
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struct = rna_info.BuildRNAInfo()[0]
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for struct_id, struct_info in sorted(struct.items()):
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struct_id_str = struct_info.identifier
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if rna_info.rna_id_ignore(struct_id_str):
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continue
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for base in struct_info.get_bases():
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struct_id_str = base.identifier + "." + struct_id_str
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dump_class = dump_module[struct_id_str] = {}
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props = [(prop.identifier, prop) for prop in struct_info.properties]
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for prop_id, prop in sorted(props):
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# if prop.type == 'boolean':
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# continue
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prop_type = prop.type
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prop_length = prop.array_length
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prop_range = round(prop.min, 4), round(prop.max, 4)
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prop_default = prop.default
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if type(prop_default) is float:
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prop_default = round(prop_default, 4)
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if prop_range[0] == -1 and prop_range[1] == -1:
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prop_range = None
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dump_class[prop_id] = (
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"prop_rna", # basic_type
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prop.name, # name
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prop_type, # type
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prop_range, # range
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prop_length, # length
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prop.default, # default
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prop.description, # descr
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Ellipsis, # f_args
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Ellipsis, # f_arg_types
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Ellipsis, # f_ret_types
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)
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del props
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# python props, tricky since we don't know much about them.
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for prop_id, attr in struct_info.get_py_properties():
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dump_class[prop_id] = (
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"prop_py", # basic_type
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Ellipsis, # name
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Ellipsis, # type
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Ellipsis, # range
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Ellipsis, # length
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Ellipsis, # default
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attr.__doc__, # descr
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Ellipsis, # f_args
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Ellipsis, # f_arg_types
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Ellipsis, # f_ret_types
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)
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# kludge func -> props
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funcs = [(func.identifier, func) for func in struct_info.functions]
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for func_id, func in funcs:
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func_ret_types = tuple([prop.type for prop in func.return_values])
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func_args_ids = tuple([prop.identifier for prop in func.args])
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func_args_type = tuple([prop.type for prop in func.args])
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dump_class[func_id] = (
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"func_rna", # basic_type
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Ellipsis, # name
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Ellipsis, # type
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Ellipsis, # range
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Ellipsis, # length
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Ellipsis, # default
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func.description, # descr
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func_args_ids, # f_args
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func_args_type, # f_arg_types
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func_ret_types, # f_ret_types
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)
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del funcs
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# kludge func -> props
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funcs = struct_info.get_py_functions()
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for func_id, attr in funcs:
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# arg_str = inspect.formatargspec(*inspect.getargspec(py_func))
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sig = inspect.signature(attr)
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func_args_ids = [k for k, v in sig.parameters.items()]
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dump_class[func_id] = (
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"func_py", # basic_type
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Ellipsis, # name
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Ellipsis, # type
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Ellipsis, # range
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Ellipsis, # length
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Ellipsis, # default
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attr.__doc__, # descr
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func_args_ids, # f_args
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Ellipsis, # f_arg_types
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Ellipsis, # f_ret_types
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)
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del funcs
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import pprint
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filename = api_dunp_fname()
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filehandle = open(filename, 'w', encoding='utf-8')
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tot = filehandle.write(pprint.pformat(dump, width=1))
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filehandle.close()
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print("%s, %d bytes written" % (filename, tot))
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def compare_props(a, b, fuzz=0.75):
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# must be same basic_type, function != property
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if a[0] != b[0]:
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return False
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tot = 0
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totlen = 0
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for i in range(1, len(a)):
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if not (Ellipsis is a[i] is b[i]):
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tot += (a[i] == b[i])
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totlen += 1
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return ((tot / totlen) >= fuzz)
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def api_changelog(api_from, api_to, api_out):
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file_handle = open(api_from, 'r', encoding='utf-8')
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dict_from = eval(file_handle.read())
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file_handle.close()
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file_handle = open(api_to, 'r', encoding='utf-8')
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dict_to = eval(file_handle.read())
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file_handle.close()
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api_changes = []
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# first work out what moved
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for mod_id, mod_data in dict_to.items():
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mod_data_other = dict_from[mod_id]
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for class_id, class_data in mod_data.items():
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class_data_other = mod_data_other.get(class_id)
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if class_data_other is None:
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# TODO, document new structs
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continue
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# find the props which are not in either
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set_props_new = set(class_data.keys())
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set_props_other = set(class_data_other.keys())
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set_props_shared = set_props_new & set_props_other
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props_moved = []
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props_new = []
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props_old = []
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func_args = []
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set_props_old = set_props_other - set_props_shared
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set_props_new = set_props_new - set_props_shared
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# first find settings which have been moved old -> new
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for prop_id_old in set_props_old.copy():
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prop_data_other = class_data_other[prop_id_old]
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for prop_id_new in set_props_new.copy():
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prop_data = class_data[prop_id_new]
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if compare_props(prop_data_other, prop_data):
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props_moved.append((prop_id_old, prop_id_new))
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# remove
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if prop_id_old in set_props_old:
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set_props_old.remove(prop_id_old)
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set_props_new.remove(prop_id_new)
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# func args
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for prop_id in set_props_shared:
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prop_data = class_data[prop_id]
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prop_data_other = class_data_other[prop_id]
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if prop_data[API_BASIC_TYPE] == prop_data_other[API_BASIC_TYPE]:
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if prop_data[API_BASIC_TYPE].startswith("func"):
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args_new = prop_data[API_F_ARGS]
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args_old = prop_data_other[API_F_ARGS]
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if args_new != args_old:
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func_args.append((prop_id, args_old, args_new))
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if props_moved or set_props_new or set_props_old or func_args:
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props_moved.sort()
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props_new[:] = sorted(set_props_new)
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props_old[:] = sorted(set_props_old)
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func_args.sort()
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api_changes.append((mod_id, class_id, props_moved, props_new, props_old, func_args))
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# also document function argument changes
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fout = open(api_out, 'w', encoding='utf-8')
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fw = fout.write
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# print(api_changes)
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# :class:`bpy_struct.id_data`
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def write_title(title, title_char):
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fw("%s\n%s\n\n" % (title, title_char * len(title)))
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for mod_id, class_id, props_moved, props_new, props_old, func_args in api_changes:
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class_name = class_id.split(".")[-1]
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title = mod_id + "." + class_name
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write_title(title, "-")
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if props_new:
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write_title("Added", "^")
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for prop_id in props_new:
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fw("* :class:`%s.%s.%s`\n" % (mod_id, class_name, prop_id))
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fw("\n")
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if props_old:
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write_title("Removed", "^")
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for prop_id in props_old:
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fw("* **%s**\n" % prop_id) # can't link to removed docs
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fw("\n")
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if props_moved:
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write_title("Renamed", "^")
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for prop_id_old, prop_id in props_moved:
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fw("* **%s** -> :class:`%s.%s.%s`\n" % (prop_id_old, mod_id, class_name, prop_id))
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fw("\n")
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if func_args:
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write_title("Function Arguments", "^")
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for func_id, args_old, args_new in func_args:
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args_new = ", ".join(args_new)
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args_old = ", ".join(args_old)
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fw("* :class:`%s.%s.%s` (%s), *was (%s)*\n" % (mod_id, class_name, func_id, args_new, args_old))
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fw("\n")
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fout.close()
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print("Written: %r" % api_out)
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def main():
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import sys
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import os
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try:
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import argparse
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except ImportError:
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print("Old Blender, just dumping")
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api_dump()
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return
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argv = sys.argv
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if "--" not in argv:
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argv = [] # as if no args are passed
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else:
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argv = argv[argv.index("--") + 1:] # get all args after "--"
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# When --help or no args are given, print this help
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usage_text = "Run blender in background mode with this script: "
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"blender --background --factory-startup --python %s -- [options]" % os.path.basename(__file__)
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epilog = "Run this before releases"
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parser = argparse.ArgumentParser(description=usage_text, epilog=epilog)
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parser.add_argument(
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"--dump", dest="dump", action='store_true',
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help="When set the api will be dumped into blender_version.py")
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parser.add_argument(
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"--api_from", dest="api_from", metavar='FILE',
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help="File to compare from (previous version)")
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parser.add_argument(
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"--api_to", dest="api_to", metavar='FILE',
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help="File to compare from (current)")
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parser.add_argument(
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"--api_out", dest="api_out", metavar='FILE',
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help="Output sphinx changelog")
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args = parser.parse_args(argv) # In this example we won't use the args
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if not argv:
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print("No args given!")
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parser.print_help()
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return
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if args.dump:
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api_dump()
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else:
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if args.api_from and args.api_to and args.api_out:
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api_changelog(args.api_from, args.api_to, args.api_out)
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else:
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print("Error: --api_from/api_to/api_out args needed")
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parser.print_help()
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return
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print("batch job finished, exiting")
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if __name__ == "__main__":
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main()
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