forked from bartvdbraak/blender
769ab3eed8
- cycles ui used 'cscene' for scene.cycles and scene.cycles_curves - style cleanup
381 lines
12 KiB
Python
381 lines
12 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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# This is a quite stupid script which extracts bmesh api docs from
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# 'bmesh_opdefines.c' in order to avoid having to add a lot of introspection
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# data access into the api.
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#
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# The script is stupid becase it makes assumptions about formatting...
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# that each arg has its own line, that comments above or directly after will be __doc__ etc...
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#
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# We may want to replace this script with something else one day but for now its good enough.
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# if it needs large updates it may be better to rewrite using a real parser or
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# add introspection into bmesh.ops.
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# - campbell
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import os
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CURRENT_DIR = os.path.abspath(os.path.dirname(__file__))
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SOURCE_DIR = os.path.normpath(os.path.abspath(os.path.normpath(os.path.join(CURRENT_DIR, "..", ".."))))
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FILE_OP_DEFINES_C = os.path.join(SOURCE_DIR, "source", "blender", "bmesh", "intern", "bmesh_opdefines.c")
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OUT_RST = os.path.join(CURRENT_DIR, "rst", "bmesh.ops.rst")
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HEADER = r"""
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BMesh Operators (bmesh.ops)
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===========================
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.. module:: bmesh.ops
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This module gives access to low level bmesh operations.
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Most operators take input and return output, they can be chained together
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to perform useful operations.
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.. note::
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This API us new in 2.65 and not yet well tested.
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Operator Example
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++++++++++++++++
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This script shows how operators can be used to model a link of a chain.
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.. literalinclude:: ../examples/bmesh.ops.1.py
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"""
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def main():
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fsrc = open(FILE_OP_DEFINES_C, 'r', encoding="utf-8")
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blocks = []
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is_block = False
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is_comment = False # /* global comments only */
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comment_ctx = None
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block_ctx = None
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for l in fsrc:
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l = l[:-1]
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# weak but ok
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if ("BMOpDefine" in l and l.split()[1] == "BMOpDefine") and not "bmo_opdefines[]" in l:
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is_block = True
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block_ctx = []
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blocks.append((comment_ctx, block_ctx))
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elif l.strip().startswith("/*"):
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is_comment = True
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comment_ctx = []
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if is_block:
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if l.strip().startswith("//"):
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pass
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else:
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# remove c++ comment if we have one
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cpp_comment = l.find("//")
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if cpp_comment != -1:
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l = l[:cpp_comment]
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block_ctx.append(l)
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if l.strip() == "};":
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is_block = False
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comment_ctx = None
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if is_comment:
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c_comment_start = l.find("/*")
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if c_comment_start != -1:
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l = l[c_comment_start + 2:]
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c_comment_end = l.find("*/")
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if c_comment_end != -1:
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l = l[:c_comment_end]
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is_comment = False
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comment_ctx.append(l)
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fsrc.close()
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del fsrc
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# namespace hack
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vars = (
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"BMO_OP_SLOT_ELEMENT_BUF",
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"BMO_OP_SLOT_BOOL",
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"BMO_OP_SLOT_FLT",
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"BMO_OP_SLOT_INT",
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"BMO_OP_SLOT_MAT",
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"BMO_OP_SLOT_VEC",
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"BMO_OP_SLOT_PTR",
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"BMO_OP_SLOT_MAPPING",
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"BMO_OP_SLOT_SUBTYPE_MAP_ELEM",
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"BMO_OP_SLOT_SUBTYPE_MAP_BOOL",
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"BMO_OP_SLOT_SUBTYPE_MAP_INT",
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"BMO_OP_SLOT_SUBTYPE_MAP_FLT",
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"BMO_OP_SLOT_SUBTYPE_MAP_EMPTY",
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"BMO_OP_SLOT_SUBTYPE_MAP_INTERNAL",
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"BMO_OP_SLOT_SUBTYPE_PTR_SCENE",
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"BMO_OP_SLOT_SUBTYPE_PTR_OBJECT",
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"BMO_OP_SLOT_SUBTYPE_PTR_MESH",
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"BMO_OP_SLOT_SUBTYPE_PTR_BMESH",
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"BMO_OP_SLOT_SUBTYPE_ELEM_IS_SINGLE",
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"BM_VERT",
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"BM_EDGE",
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"BM_FACE",
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"BMO_OP_FLAG_UNTAN_MULTIRES",
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)
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vars_dict = {}
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for i, v in enumerate(vars):
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vars_dict[v] = (1 << i)
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globals().update(vars_dict)
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# reverse lookup
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vars_dict_reverse = {v: k for k, v in vars_dict.items()}
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# end namespace hack
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blocks_py = []
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for comment, b in blocks:
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# magic, translate into python
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b[0] = b[0].replace("static BMOpDefine ", "")
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for i, l in enumerate(b):
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l = l.strip()
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l = l.replace("{", "(")
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l = l.replace("}", ")")
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if l.startswith("/*"):
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l = l.replace("/*", "'''own <")
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else:
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l = l.replace("/*", "'''inline <")
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l = l.replace("*/", ">''',")
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# exec func. eg: bmo_rotate_edges_exec,
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if l.startswith("bmo_") and l.endswith("_exec,"):
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l = "None,"
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b[i] = l
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#for l in b:
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# print(l)
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text = "\n".join(b)
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global_namespace = {
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"__file__": "generated",
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"__name__": "__main__",
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}
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global_namespace.update(vars_dict)
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text_a, text_b = text.split("=", 1)
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text = "result = " + text_b
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exec(compile(text, "generated", 'exec'), global_namespace)
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# print(global_namespace["result"])
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blocks_py.append((comment, global_namespace["result"]))
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# ---------------------
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# Now convert into rst.
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fout = open(OUT_RST, 'w', encoding="utf-8")
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fw = fout.write
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fw(HEADER)
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for comment, b in blocks_py:
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args_in = None
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args_out = None
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for member in b[1:]:
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if type(member) == tuple:
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if args_in is None:
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args_in = member
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elif args_out is None:
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args_out = member
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break
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args_in_index = []
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args_out_index = []
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if args_in is not None:
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args_in_index[:] = [i for (i, a) in enumerate(args_in) if type(a) == tuple]
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if args_out is not None:
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args_out_index[:] = [i for (i, a) in enumerate(args_out) if type(a) == tuple]
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fw(".. function:: %s(bm, %s)\n\n" % (b[0], ", ".join([args_in[i][0] for i in args_in_index])))
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# -- wash the comment
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comment_washed = []
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for i, l in enumerate(comment):
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assert((l.strip() == "") or
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(l in {"/*", " *"}) or
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(l.startswith(("/* ", " * "))))
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l = l[3:]
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if i == 0 and not l.strip():
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continue
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if l.strip():
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l = " " + l
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comment_washed.append(l)
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fw("\n".join(comment_washed))
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fw("\n")
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# -- done
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# get the args
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def get_args_wash(args, args_index, is_ret):
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args_wash = []
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for i in args_index:
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arg = args[i]
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if len(arg) == 3:
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name, tp, tp_sub = arg
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elif len(arg) == 2:
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name, tp = arg
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tp_sub = None
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else:
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print(arg)
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assert(0)
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tp_str = ""
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comment_prev = ""
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comment_next = ""
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if i != 0:
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comment_prev = args[i + 1]
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if type(comment_prev) == str and comment_prev.startswith("our <"):
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comment_prev = comment_next[5:-1] # strip inline <...>
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else:
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comment_prev = ""
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if i + 1 < len(args):
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comment_next = args[i + 1]
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if type(comment_next) == str and comment_next.startswith("inline <"):
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comment_next = comment_next[8:-1] # strip inline <...>
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else:
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comment_next = ""
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comment = ""
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if comment_prev:
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comment += comment_prev.strip()
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if comment_next:
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comment += ("\n" if comment_prev else "") + comment_next.strip()
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if tp == BMO_OP_SLOT_FLT:
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tp_str = "float"
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elif tp == BMO_OP_SLOT_INT:
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tp_str = "int"
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elif tp == BMO_OP_SLOT_BOOL:
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tp_str = "bool"
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elif tp == BMO_OP_SLOT_MAT:
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tp_str = ":class:`mathutils.Matrix`"
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elif tp == BMO_OP_SLOT_VEC:
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tp_str = ":class:`mathutils.Vector`"
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if not is_ret:
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tp_str += " or any sequence of 3 floats"
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elif tp == BMO_OP_SLOT_PTR:
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tp_str = "dict"
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assert(tp_sub is not None)
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if tp_sub == BMO_OP_SLOT_SUBTYPE_PTR_BMESH:
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tp_str = ":class:`bmesh.types.BMesh`"
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elif tp_sub == BMO_OP_SLOT_SUBTYPE_PTR_SCENE:
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tp_str = ":class:`bpy.types.Scene`"
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elif tp_sub == BMO_OP_SLOT_SUBTYPE_PTR_OBJECT:
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tp_str = ":class:`bpy.types.Object`"
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elif tp_sub == BMO_OP_SLOT_SUBTYPE_PTR_MESH:
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tp_str = ":class:`bpy.types.Mesh`"
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else:
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print("Cant find", vars_dict_reverse[tp_sub])
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assert(0)
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elif tp == BMO_OP_SLOT_ELEMENT_BUF:
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assert(tp_sub is not None)
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ls = []
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if tp_sub & BM_VERT:
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ls.append(":class:`bmesh.types.BMVert`")
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if tp_sub & BM_EDGE:
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ls.append(":class:`bmesh.types.BMEdge`")
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if tp_sub & BM_FACE:
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ls.append(":class:`bmesh.types.BMFace`")
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assert(ls) # must be at least one
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if tp_sub & BMO_OP_SLOT_SUBTYPE_ELEM_IS_SINGLE:
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tp_str = "/".join(ls)
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else:
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tp_str = ("list of (%s)" % ", ".join(ls))
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del ls
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elif tp == BMO_OP_SLOT_MAPPING:
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if tp_sub & BMO_OP_SLOT_SUBTYPE_MAP_EMPTY:
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tp_str = "set of vert/edge/face type"
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else:
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tp_str = "dict mapping vert/edge/face types to "
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if tp_sub == BMO_OP_SLOT_SUBTYPE_MAP_BOOL:
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tp_str += "bool"
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elif tp_sub == BMO_OP_SLOT_SUBTYPE_MAP_INT:
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tp_str += "int"
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elif tp_sub == BMO_OP_SLOT_SUBTYPE_MAP_FLT:
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tp_str += "float"
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elif tp_sub == BMO_OP_SLOT_SUBTYPE_MAP_ELEM:
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tp_str += ":class:`bmesh.types.BMVert`/:class:`bmesh.types.BMEdge`/:class:`bmesh.types.BMFace`"
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elif tp_sub == BMO_OP_SLOT_SUBTYPE_MAP_INTERNAL:
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tp_str += "unknown internal data, not compatible with python"
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else:
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print("Cant find", vars_dict_reverse[tp_sub])
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assert(0)
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else:
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print("Cant find", vars_dict_reverse[tp])
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assert(0)
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args_wash.append((name, tp_str, comment))
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return args_wash
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# end get_args_wash
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# all ops get this arg
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fw(" :arg bm: The bmesh to operate on.\n")
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fw(" :type bm: :class:`bmesh.types.BMesh`\n")
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args_in_wash = get_args_wash(args_in, args_in_index, False)
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args_out_wash = get_args_wash(args_out, args_out_index, True)
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for (name, tp, comment) in args_in_wash:
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if comment == "":
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comment = "Undocumented."
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fw(" :arg %s: %s\n" % (name, comment))
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fw(" :type %s: %s\n" % (name, tp))
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if args_out_wash:
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fw(" :return:\n\n")
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for (name, tp, comment) in args_out_wash:
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assert(name.endswith(".out"))
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name = name[:-4]
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fw(" - ``%s``: %s\n\n" % (name, comment))
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fw(" **type** %s\n" % tp)
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fw("\n")
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fw(" :rtype: dict with string keys\n")
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fw("\n\n")
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fout.close()
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del fout
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print(OUT_RST)
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if __name__ == "__main__":
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main()
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