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import tempfile |
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import os |
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import shutil |
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from Cython.Compiler import ( |
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MemoryView, Code, Options, Pipeline, Errors, Main, Symtab |
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) |
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from Cython.Compiler.StringEncoding import EncodedString |
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from Cython.Compiler.Scanning import FileSourceDescriptor |
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def create_shared_library_pipeline(context, scope, options, result): |
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parse = Pipeline.parse_stage_factory(context) |
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def generate_tree_factory(context): |
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def generate_tree(compsrc): |
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tree = parse(compsrc) |
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tree.scope.use_utility_code( |
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MemoryView.get_view_utility_code(options.shared_utility_qualified_name)) |
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tree.scope.use_utility_code(MemoryView._get_memviewslice_declare_code()) |
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tree.scope.use_utility_code(MemoryView._get_typeinfo_to_format_code()) |
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context.include_directories.append(Code.get_utility_dir()) |
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return tree |
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return generate_tree |
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orig_cimport_from_pyx = Options.cimport_from_pyx |
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def set_cimport_from_pyx(cimport_from_pyx): |
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def inner(node): |
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Options.cimport_from_pyx = cimport_from_pyx |
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return node |
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return inner |
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return [ |
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set_cimport_from_pyx(True), |
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generate_tree_factory(context), |
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*Pipeline.create_pipeline(context, 'pyx', exclude_classes=()), |
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Pipeline.inject_pxd_code_stage_factory(context), |
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Pipeline.inject_utility_code_stage_factory(context, internalise_c_class_entries=False), |
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Pipeline.inject_utility_pxd_code_stage_factory(context), |
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Pipeline.abort_on_errors, |
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Pipeline.generate_pyx_code_stage_factory(options, result), |
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set_cimport_from_pyx(orig_cimport_from_pyx), |
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] |
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def generate_shared_module(options): |
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Errors.init_thread() |
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Errors.open_listing_file(None) |
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dest_c_file = options.shared_c_file_path |
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module_name = os.path.splitext(os.path.basename(dest_c_file))[0] |
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context = Main.Context.from_options(options) |
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scope = Symtab.ModuleScope('MemoryView', parent_module = None, context = context, is_package=False) |
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with tempfile.TemporaryDirectory() as tmpdirname: |
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pyx_file = os.path.join(tmpdirname, f'{module_name}.pyx') |
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c_file = os.path.join(tmpdirname, f'{module_name}.c') |
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with open(pyx_file, 'w'): |
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pass |
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source_desc = FileSourceDescriptor(pyx_file) |
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comp_src = Main.CompilationSource(source_desc, EncodedString(module_name), os.getcwd()) |
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result = Main.create_default_resultobj(comp_src, options) |
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pipeline = create_shared_library_pipeline(context, scope, options, result) |
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err, enddata = Pipeline.run_pipeline(pipeline, comp_src) |
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if err is None: |
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shutil.copy(c_file, dest_c_file) |
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return err, enddata |
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