#! /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
[docs]@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))
[docs]@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)
[docs]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
[docs]@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})
[docs]@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})
[docs]@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)
[docs]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
[docs]@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)
[docs]@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
[docs]@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)
[docs]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 ${GLIB_VALIDATE_SCHEMA_OUTPUT}'
color = 'PINK'
################## gresource
[docs]@extension('.gresource.xml')
def process_gresource_source(self, node):
"""
Creates tasks that turn ``.gresource.xml`` files to C code
"""
if not self.env.GLIB_COMPILE_RESOURCES:
raise Errors.WafError ("Unable to process GResource file - glib-compile-resources was not found during configure")
if 'gresource' in self.features:
return
h_node = node.change_ext('_xml.h')
c_node = node.change_ext('_xml.c')
self.create_task('glib_gresource_source', node, [h_node, c_node])
self.source.append(c_node)
[docs]@feature('gresource')
def process_gresource_bundle(self):
"""
Creates tasks to turn ``.gresource`` files from ``.gresource.xml`` files::
def build(bld):
bld(
features='gresource',
source=['resources1.gresource.xml', 'resources2.gresource.xml'],
install_path='${LIBDIR}/${PACKAGE}'
)
:param source: XML files to process
:type source: list of string
:param install_path: installation path
:type install_path: string
"""
for i in self.to_list(self.source):
node = self.path.find_resource(i)
task = self.create_task('glib_gresource_bundle', node, node.change_ext(''))
inst_to = getattr(self, 'install_path', None)
if inst_to:
self.add_install_files(install_to=inst_to, install_from=task.outputs)
[docs]class glib_gresource_base(Task.Task):
"""
Base class for gresource based tasks
"""
color = 'BLUE'
base_cmd = '${GLIB_COMPILE_RESOURCES} --sourcedir=${SRC[0].parent.srcpath()} --sourcedir=${SRC[0].bld_dir()}'
[docs] 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('${GLIB_COMPILE_RESOURCES} --sourcedir=%s --sourcedir=%s --generate-dependencies %s' % (
self.inputs[0].parent.srcpath(),
self.inputs[0].bld_dir(),
self.inputs[0].bldpath()
), self.env)
output = bld.cmd_and_log(cmd, **kw)
nodes = []
names = []
for dep in output.splitlines():
if dep:
node = bld.bldnode.find_node(dep)
if node:
nodes.append(node)
else:
names.append(dep)
return (nodes, names)
[docs]class glib_gresource_source(glib_gresource_base):
"""
Task to generate C source code (.h and .c files) from a gresource.xml file
"""
vars = ['GLIB_COMPILE_RESOURCES']
fun_h = Task.compile_fun_shell(glib_gresource_base.base_cmd + ' --target=${TGT[0].abspath()} --generate-header ${SRC}')
fun_c = Task.compile_fun_shell(glib_gresource_base.base_cmd + ' --target=${TGT[1].abspath()} --generate-source ${SRC}')
ext_out = ['.h']
def run(self):
return self.fun_h[0](self) or self.fun_c[0](self)
[docs]class glib_gresource_bundle(glib_gresource_base):
"""
Task to generate a .gresource binary file from a gresource.xml file
"""
run_str = glib_gresource_base.base_cmd + ' --target=${TGT} ${SRC}'
shell = True # temporary workaround for #795
[docs]@conf
def find_glib_genmarshal(conf):
conf.find_program('glib-genmarshal', var='GLIB_GENMARSHAL')
[docs]@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')
[docs]@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
[docs]@conf
def find_glib_compile_resources(conf):
conf.find_program('glib-compile-resources', var='GLIB_COMPILE_RESOURCES')
[docs]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')
