Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/scripts/wrap/python.py @ 43:202a1f38a622

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
FIX: New added code snippets did not yet account for the changed return values from "_fromto()"
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:15:08 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
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1 '''
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2 Things for generating Python-specific output.
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3 '''
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4
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5 import jlib
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6
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7 from . import cpp
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8 from . import parse
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9 from . import rename
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10 from . import state
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11 from . import util
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12
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13
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14 def make_outparam_helper_python(
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15 tu,
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16 cursor,
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17 fnname,
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18 fnname_wrapper,
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19 generated,
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20 main_name,
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21 ):
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22 # Write python wrapper.
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23 return_void = cursor.result_type.spelling == 'void'
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24 generated.swig_python.write('')
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25 generated.swig_python.write(f'def {main_name}(')
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26 sep = ''
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27 for arg in parse.get_args( tu, cursor):
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28 if arg.out_param:
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29 continue
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30 generated.swig_python.write(f'{sep}{arg.name_python}')
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31 sep = ', '
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32 generated.swig_python.write('):\n')
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33 generated.swig_python.write(f' """\n')
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34 generated.swig_python.write(f' Wrapper for out-params of {cursor.spelling}().\n')
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35 sep = ''
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36 generated.swig_python.write(f' Returns: ')
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37 sep = ''
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38 if not return_void:
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39 generated.swig_python.write( f'{cursor.result_type.spelling}')
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40 sep = ', '
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41 for arg in parse.get_args( tu, cursor):
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42 if arg.out_param:
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43 generated.swig_python.write(f'{sep}{cpp.declaration_text(arg.cursor.type.get_pointee(), arg.name_python)}')
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44 sep = ', '
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45 generated.swig_python.write(f'\n')
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46 generated.swig_python.write(f' """\n')
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47 generated.swig_python.write(f' outparams = {main_name}_outparams()\n')
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48 generated.swig_python.write(f' ret = {main_name}_outparams_fn(')
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49 sep = ''
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50 for arg in parse.get_args( tu, cursor):
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51 if arg.out_param:
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52 continue
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53 generated.swig_python.write(f'{sep}{arg.name_python}')
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54 sep = ', '
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55 generated.swig_python.write(f'{sep}outparams)\n')
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56 generated.swig_python.write(f' return ')
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57 sep = ''
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58 if not return_void:
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59 generated.swig_python.write(f'ret')
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60 sep = ', '
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61 for arg in parse.get_args( tu, cursor):
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62 if arg.out_param:
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63 generated.swig_python.write(f'{sep}outparams.{arg.name_python}')
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64 sep = ', '
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65 generated.swig_python.write('\n')
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66 generated.swig_python.write('\n')
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67
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68
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69 def cppyy_add_outparams_wrapper(
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70 tu,
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71 fn_name,
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72 fn_cursor,
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73 state_,
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74 generated,
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75 ):
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76
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77 parse.find_wrappable_function_with_arg0_type_cache_populate( tu)
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78
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79 def get_ctype_name( arg):
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80 type_name = state.get_name_canonical( arg.cursor.type.get_pointee()).spelling
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81 if type_name in (
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82 'char',
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83 'double',
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84 'float',
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85 'int',
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86 'long',
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87 'short',
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88 ):
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89 return f'ctypes.c_{type_name}'
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90 elif type_name == 'unsigned long': return 'ctypes.c_ulong'
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91 elif type_name == 'unsigned short': return 'ctypes.c_ushort'
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92 elif type_name == 'unsigned int': return 'ctypes.c_uint'
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93 else:
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94 return None
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95 num_out_params = 0
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96 arg0 = None
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97 for arg in parse.get_args( tu, fn_cursor):
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98 if arg0 is None:
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99 arg0 = arg
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100 if arg.out_param:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
101 if not get_ctype_name( arg):
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
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102 #jlib.log( 'Not creating cppyy out-param wrapper for {fn_name}() because cannot handle {arg.cursor.type.spelling=}')
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
103 return
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
104 num_out_params += 1
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parents:
diff changeset
105 if num_out_params:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
106 return_void = fn_cursor.result_type.spelling == 'void'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
107 text = ''
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
108 text += f'# Patch mupdf.m{fn_name} to return out-params directly.\n'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
109 text += f'mupdf_m{fn_name}_original = cppyy.gbl.mupdf.m{fn_name}\n'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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110 text += f'def mupdf_m{fn_name}( '
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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111 sep = ''
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
112 for arg in parse.get_args( tu, fn_cursor):
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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113 if arg.out_param:
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parents:
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114 pass
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parents:
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115 else:
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parents:
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116 text += f'{sep}{arg.name_python}'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
117 sep = ', '
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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118 text += f'):\n'
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parents:
diff changeset
119 for arg in parse.get_args( tu, fn_cursor):
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
120 if arg.out_param:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
121 ctype_name = get_ctype_name( arg)
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parents:
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122 text += f' {arg.name_python} = {ctype_name}()\n'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
123 text += f' ret = mupdf_m{fn_name}_original( '
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
124 sep = ''
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
125 for arg in parse.get_args( tu, fn_cursor):
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
126 if arg.out_param:
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parents:
diff changeset
127 text += f'{sep}ctypes.pointer( {arg.name_python})'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
128 else:
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
129 text += f'{sep}{arg.name_python}'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
130 sep = ', '
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
131 text += f')\n'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
132 sep = ' '
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
133 text += f' return'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
134 if not return_void:
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
135 text += ' ret'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
136 sep = ', '
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
137 for arg in parse.get_args( tu, fn_cursor):
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
138 if arg.out_param:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
139 text += f'{sep}{arg.name_python}.value'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
140 sep = ', '
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
141 text += f'\n'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
142 text += f'cppyy.gbl.mupdf.m{fn_name} = mupdf_m{fn_name}\n'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
144 # Look for class method that will use mupdf.m<fn_name>.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
145 #Generated
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146 struct_name = parse.find_class_for_wrappable_function( fn_name)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
147 if struct_name:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
148 class_name = rename.class_( struct_name)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
149 method_name = rename.method( struct_name, fn_name)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
150 text += f'# Also patch Python version of {fn_name}() in class wrapper for {struct_name} method {class_name}::{method_name}()\n'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
151 text += f'cppyy.gbl.mupdf.{class_name}.{method_name}_original = cppyy.gbl.mupdf.{class_name}.{method_name}\n'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
152 text += f'cppyy.gbl.mupdf.{class_name}.{method_name} = mupdf_m{fn_name}\n'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
153 else:
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
154 pass
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
155 #jlib.log( 'Not a method of a class: {fn_name=}')
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
156
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
157 text += f'\n'
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
158
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
159 generated.cppyy_extra += text
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
160
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
161 if 0:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
162 jlib.log( 'parse.fnname_to_method_structname [{len(parse.fnname_to_method_structname)}]:')
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 for fn_name, struct_name in parse.fnname_to_method_structname.items():
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164 jlib.log( ' {fn_name}: {struct_name}')