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Diffstat (limited to 'Tools/glib2.py')
| -rw-r--r-- | Tools/glib2.py | 489 |
1 files changed, 489 insertions, 0 deletions
diff --git a/Tools/glib2.py b/Tools/glib2.py new file mode 100644 index 0000000..949fe37 --- /dev/null +++ b/Tools/glib2.py @@ -0,0 +1,489 @@ +#! /usr/bin/env python +# encoding: utf-8 +# Thomas Nagy, 2006-2018 (ita) + +""" +Support for GLib2 tools: + +* marshal +* enums +* gsettings +* gresource +""" + +import os +import functools +from waflib import Context, Task, Utils, Options, Errors, Logs +from waflib.TaskGen import taskgen_method, before_method, feature, extension +from waflib.Configure import conf + +################## marshal files + +@taskgen_method +def add_marshal_file(self, filename, prefix): + """ + Adds a file to the list of marshal files to process. Store them in the attribute *marshal_list*. + + :param filename: xml file to compile + :type filename: string + :param prefix: marshal prefix (--prefix=prefix) + :type prefix: string + """ + if not hasattr(self, 'marshal_list'): + self.marshal_list = [] + self.meths.append('process_marshal') + self.marshal_list.append((filename, prefix)) + +@before_method('process_source') +def process_marshal(self): + """ + Processes the marshal files stored in the attribute *marshal_list* to create :py:class:`waflib.Tools.glib2.glib_genmarshal` instances. + Adds the c file created to the list of source to process. + """ + for f, prefix in getattr(self, 'marshal_list', []): + node = self.path.find_resource(f) + + if not node: + raise Errors.WafError('file not found %r' % f) + + h_node = node.change_ext('.h') + c_node = node.change_ext('.c') + + task = self.create_task('glib_genmarshal', node, [h_node, c_node]) + task.env.GLIB_GENMARSHAL_PREFIX = prefix + self.source = self.to_nodes(getattr(self, 'source', [])) + self.source.append(c_node) + +class glib_genmarshal(Task.Task): + vars = ['GLIB_GENMARSHAL_PREFIX', 'GLIB_GENMARSHAL'] + color = 'BLUE' + ext_out = ['.h'] + def run(self): + bld = self.generator.bld + + get = self.env.get_flat + cmd1 = "%s %s --prefix=%s --header > %s" % ( + get('GLIB_GENMARSHAL'), + self.inputs[0].srcpath(), + get('GLIB_GENMARSHAL_PREFIX'), + self.outputs[0].abspath() + ) + + ret = bld.exec_command(cmd1) + if ret: + return ret + + #print self.outputs[1].abspath() + c = '''#include "%s"\n''' % self.outputs[0].name + self.outputs[1].write(c) + + cmd2 = "%s %s --prefix=%s --body >> %s" % ( + get('GLIB_GENMARSHAL'), + self.inputs[0].srcpath(), + get('GLIB_GENMARSHAL_PREFIX'), + self.outputs[1].abspath() + ) + return bld.exec_command(cmd2) + +########################## glib-mkenums + +@taskgen_method +def add_enums_from_template(self, source='', target='', template='', comments=''): + """ + Adds a file to the list of enum files to process. Stores them in the attribute *enums_list*. + + :param source: enum file to process + :type source: string + :param target: target file + :type target: string + :param template: template file + :type template: string + :param comments: comments + :type comments: string + """ + if not hasattr(self, 'enums_list'): + self.enums_list = [] + self.meths.append('process_enums') + self.enums_list.append({'source': source, + 'target': target, + 'template': template, + 'file-head': '', + 'file-prod': '', + 'file-tail': '', + 'enum-prod': '', + 'value-head': '', + 'value-prod': '', + 'value-tail': '', + 'comments': comments}) + +@taskgen_method +def add_enums(self, source='', target='', + file_head='', file_prod='', file_tail='', enum_prod='', + value_head='', value_prod='', value_tail='', comments=''): + """ + Adds a file to the list of enum files to process. Stores them in the attribute *enums_list*. + + :param source: enum file to process + :type source: string + :param target: target file + :type target: string + :param file_head: unused + :param file_prod: unused + :param file_tail: unused + :param enum_prod: unused + :param value_head: unused + :param value_prod: unused + :param value_tail: unused + :param comments: comments + :type comments: string + """ + if not hasattr(self, 'enums_list'): + self.enums_list = [] + self.meths.append('process_enums') + self.enums_list.append({'source': source, + 'template': '', + 'target': target, + 'file-head': file_head, + 'file-prod': file_prod, + 'file-tail': file_tail, + 'enum-prod': enum_prod, + 'value-head': value_head, + 'value-prod': value_prod, + 'value-tail': value_tail, + 'comments': comments}) + +@before_method('process_source') +def process_enums(self): + """ + Processes the enum files stored in the attribute *enum_list* to create :py:class:`waflib.Tools.glib2.glib_mkenums` instances. + """ + for enum in getattr(self, 'enums_list', []): + task = self.create_task('glib_mkenums') + env = task.env + + inputs = [] + + # process the source + source_list = self.to_list(enum['source']) + if not source_list: + raise Errors.WafError('missing source ' + str(enum)) + source_list = [self.path.find_resource(k) for k in source_list] + inputs += source_list + env.GLIB_MKENUMS_SOURCE = [k.abspath() for k in source_list] + + # find the target + if not enum['target']: + raise Errors.WafError('missing target ' + str(enum)) + tgt_node = self.path.find_or_declare(enum['target']) + if tgt_node.name.endswith('.c'): + self.source.append(tgt_node) + env.GLIB_MKENUMS_TARGET = tgt_node.abspath() + + + options = [] + + if enum['template']: # template, if provided + template_node = self.path.find_resource(enum['template']) + options.append('--template %s' % (template_node.abspath())) + inputs.append(template_node) + params = {'file-head' : '--fhead', + 'file-prod' : '--fprod', + 'file-tail' : '--ftail', + 'enum-prod' : '--eprod', + 'value-head' : '--vhead', + 'value-prod' : '--vprod', + 'value-tail' : '--vtail', + 'comments': '--comments'} + for param, option in params.items(): + if enum[param]: + options.append('%s %r' % (option, enum[param])) + + env.GLIB_MKENUMS_OPTIONS = ' '.join(options) + + # update the task instance + task.set_inputs(inputs) + task.set_outputs(tgt_node) + +class glib_mkenums(Task.Task): + """ + Processes enum files + """ + run_str = '${GLIB_MKENUMS} ${GLIB_MKENUMS_OPTIONS} ${GLIB_MKENUMS_SOURCE} > ${GLIB_MKENUMS_TARGET}' + color = 'PINK' + ext_out = ['.h'] + +######################################### gsettings + +@taskgen_method +def add_settings_schemas(self, filename_list): + """ + Adds settings files to process to *settings_schema_files* + + :param filename_list: files + :type filename_list: list of string + """ + if not hasattr(self, 'settings_schema_files'): + self.settings_schema_files = [] + + if not isinstance(filename_list, list): + filename_list = [filename_list] + + self.settings_schema_files.extend(filename_list) + +@taskgen_method +def add_settings_enums(self, namespace, filename_list): + """ + Called only once by task generator to set the enums namespace. + + :param namespace: namespace + :type namespace: string + :param filename_list: enum files to process + :type filename_list: file list + """ + if hasattr(self, 'settings_enum_namespace'): + raise Errors.WafError("Tried to add gsettings enums to %r more than once" % self.name) + self.settings_enum_namespace = namespace + + if not isinstance(filename_list, list): + filename_list = [filename_list] + self.settings_enum_files = filename_list + +@feature('glib2') +def process_settings(self): + """ + Processes the schema files in *settings_schema_files* to create :py:class:`waflib.Tools.glib2.glib_mkenums` instances. The + same files are validated through :py:class:`waflib.Tools.glib2.glib_validate_schema` tasks. + + """ + enums_tgt_node = [] + install_files = [] + + settings_schema_files = getattr(self, 'settings_schema_files', []) + if settings_schema_files and not self.env.GLIB_COMPILE_SCHEMAS: + raise Errors.WafError ("Unable to process GSettings schemas - glib-compile-schemas was not found during configure") + + # 1. process gsettings_enum_files (generate .enums.xml) + # + if hasattr(self, 'settings_enum_files'): + enums_task = self.create_task('glib_mkenums') + + source_list = self.settings_enum_files + source_list = [self.path.find_resource(k) for k in source_list] + enums_task.set_inputs(source_list) + enums_task.env.GLIB_MKENUMS_SOURCE = [k.abspath() for k in source_list] + + target = self.settings_enum_namespace + '.enums.xml' + tgt_node = self.path.find_or_declare(target) + enums_task.set_outputs(tgt_node) + enums_task.env.GLIB_MKENUMS_TARGET = tgt_node.abspath() + enums_tgt_node = [tgt_node] + + install_files.append(tgt_node) + + options = '--comments "<!-- @comment@ -->" --fhead "<schemalist>" --vhead " <@type@ id=\\"%s.@EnumName@\\">" --vprod " <value nick=\\"@valuenick@\\" value=\\"@valuenum@\\"/>" --vtail " </@type@>" --ftail "</schemalist>" ' % (self.settings_enum_namespace) + enums_task.env.GLIB_MKENUMS_OPTIONS = options + + # 2. process gsettings_schema_files (validate .gschema.xml files) + # + for schema in settings_schema_files: + schema_task = self.create_task ('glib_validate_schema') + + schema_node = self.path.find_resource(schema) + if not schema_node: + raise Errors.WafError("Cannot find the schema file %r" % schema) + install_files.append(schema_node) + source_list = enums_tgt_node + [schema_node] + + schema_task.set_inputs (source_list) + schema_task.env.GLIB_COMPILE_SCHEMAS_OPTIONS = [("--schema-file=" + k.abspath()) for k in source_list] + + target_node = schema_node.change_ext('.xml.valid') + schema_task.set_outputs (target_node) + schema_task.env.GLIB_VALIDATE_SCHEMA_OUTPUT = target_node.abspath() + + # 3. schemas install task + def compile_schemas_callback(bld): + if not bld.is_install: + return + compile_schemas = Utils.to_list(bld.env.GLIB_COMPILE_SCHEMAS) + destdir = Options.options.destdir + paths = bld._compile_schemas_registered + if destdir: + paths = (os.path.join(destdir, path.lstrip(os.sep)) for path in paths) + for path in paths: + Logs.pprint('YELLOW', 'Updating GSettings schema cache %r' % path) + if self.bld.exec_command(compile_schemas + [path]): + Logs.warn('Could not update GSettings schema cache %r' % path) + + if self.bld.is_install: + schemadir = self.env.GSETTINGSSCHEMADIR + if not schemadir: + raise Errors.WafError ('GSETTINGSSCHEMADIR not defined (should have been set up automatically during configure)') + + if install_files: + self.add_install_files(install_to=schemadir, install_from=install_files) + registered_schemas = getattr(self.bld, '_compile_schemas_registered', None) + if not registered_schemas: + registered_schemas = self.bld._compile_schemas_registered = set() + self.bld.add_post_fun(compile_schemas_callback) + registered_schemas.add(schemadir) + +class glib_validate_schema(Task.Task): + """ + Validates schema files + """ + run_str = 'rm -f ${GLIB_VALIDATE_SCHEMA_OUTPUT} && ${GLIB_COMPILE_SCHEMAS} --dry-run ${GLIB_COMPILE_SCHEMAS_OPTIONS} && touch ${GLIB_VALIDATE_SCHEMA_OUTPUT}' + color = 'PINK' + +################## gresource + +@extension('.gresource.xml') +def process_gresource_source(self, node): + """ + Creates tasks that turn ``.gresource.xml`` files to C code + """ + if not self.env.GLIB_COMPILE_RESOURCES: + raise Errors.WafError ("Unable to process GResource file - glib-compile-resources was not found during configure") + + if 'gresource' in self.features: + return + + h_node = node.change_ext('_xml.h') + c_node = node.change_ext('_xml.c') + self.create_task('glib_gresource_source', node, [h_node, c_node]) + self.source.append(c_node) + +@feature('gresource') +def process_gresource_bundle(self): + """ + Creates tasks to turn ``.gresource`` files from ``.gresource.xml`` files:: + + def build(bld): + bld( + features='gresource', + source=['resources1.gresource.xml', 'resources2.gresource.xml'], + install_path='${LIBDIR}/${PACKAGE}' + ) + + :param source: XML files to process + :type source: list of string + :param install_path: installation path + :type install_path: string + """ + for i in self.to_list(self.source): + node = self.path.find_resource(i) + + task = self.create_task('glib_gresource_bundle', node, node.change_ext('')) + inst_to = getattr(self, 'install_path', None) + if inst_to: + self.add_install_files(install_to=inst_to, install_from=task.outputs) + +class glib_gresource_base(Task.Task): + """ + Base class for gresource based tasks + """ + color = 'BLUE' + base_cmd = '${GLIB_COMPILE_RESOURCES} --sourcedir=${SRC[0].parent.srcpath()} --sourcedir=${SRC[0].bld_dir()}' + + def scan(self): + """ + Scans gresource dependencies through ``glib-compile-resources --generate-dependencies command`` + """ + bld = self.generator.bld + kw = {} + kw['cwd'] = self.get_cwd() + kw['quiet'] = Context.BOTH + + cmd = Utils.subst_vars('${GLIB_COMPILE_RESOURCES} --sourcedir=%s --sourcedir=%s --generate-dependencies %s' % ( + self.inputs[0].parent.srcpath(), + self.inputs[0].bld_dir(), + self.inputs[0].bldpath() + ), self.env) + + output = bld.cmd_and_log(cmd, **kw) + + nodes = [] + names = [] + for dep in output.splitlines(): + if dep: + node = bld.bldnode.find_node(dep) + if node: + nodes.append(node) + else: + names.append(dep) + + return (nodes, names) + +class glib_gresource_source(glib_gresource_base): + """ + Task to generate C source code (.h and .c files) from a gresource.xml file + """ + vars = ['GLIB_COMPILE_RESOURCES'] + fun_h = Task.compile_fun_shell(glib_gresource_base.base_cmd + ' --target=${TGT[0].abspath()} --generate-header ${SRC}') + fun_c = Task.compile_fun_shell(glib_gresource_base.base_cmd + ' --target=${TGT[1].abspath()} --generate-source ${SRC}') + ext_out = ['.h'] + + def run(self): + return self.fun_h[0](self) or self.fun_c[0](self) + +class glib_gresource_bundle(glib_gresource_base): + """ + Task to generate a .gresource binary file from a gresource.xml file + """ + run_str = glib_gresource_base.base_cmd + ' --target=${TGT} ${SRC}' + shell = True # temporary workaround for #795 + +@conf +def find_glib_genmarshal(conf): + conf.find_program('glib-genmarshal', var='GLIB_GENMARSHAL') + +@conf +def find_glib_mkenums(conf): + if not conf.env.PERL: + conf.find_program('perl', var='PERL') + conf.find_program('glib-mkenums', interpreter='PERL', var='GLIB_MKENUMS') + +@conf +def find_glib_compile_schemas(conf): + # when cross-compiling, gsettings.m4 locates the program with the following: + # pkg-config --variable glib_compile_schemas gio-2.0 + conf.find_program('glib-compile-schemas', var='GLIB_COMPILE_SCHEMAS') + + def getstr(varname): + return getattr(Options.options, varname, getattr(conf.env,varname, '')) + + gsettingsschemadir = getstr('GSETTINGSSCHEMADIR') + if not gsettingsschemadir: + datadir = getstr('DATADIR') + if not datadir: + prefix = conf.env.PREFIX + datadir = os.path.join(prefix, 'share') + gsettingsschemadir = os.path.join(datadir, 'glib-2.0', 'schemas') + + conf.env.GSETTINGSSCHEMADIR = gsettingsschemadir + +@conf +def find_glib_compile_resources(conf): + conf.find_program('glib-compile-resources', var='GLIB_COMPILE_RESOURCES') + +def configure(conf): + """ + Finds the following programs: + + * *glib-genmarshal* and set *GLIB_GENMARSHAL* + * *glib-mkenums* and set *GLIB_MKENUMS* + * *glib-compile-schemas* and set *GLIB_COMPILE_SCHEMAS* (not mandatory) + * *glib-compile-resources* and set *GLIB_COMPILE_RESOURCES* (not mandatory) + """ + conf.find_glib_genmarshal() + conf.find_glib_mkenums() + conf.find_glib_compile_schemas(mandatory=False) + conf.find_glib_compile_resources(mandatory=False) + +def options(opt): + """ + Adds the ``--gsettingsschemadir`` command-line option + """ + gr = opt.add_option_group('Installation directories') + gr.add_option('--gsettingsschemadir', help='GSettings schema location [DATADIR/glib-2.0/schemas]', default='', dest='GSETTINGSSCHEMADIR') + |