+++ /dev/null
-# The MIT License (MIT)
-#
-# Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-
-from bt2 import native_bt, object, utils
-import collections.abc
-import bt2.component
-import os.path
-import bt2
-
-
-def find_plugins(path, recurse=True):
- utils._check_str(path)
- utils._check_bool(recurse)
- plugin_set_ptr = None
-
- if os.path.isfile(path):
- plugin_set_ptr = native_bt.plugin_find_all_from_file(path)
- elif os.path.isdir(path):
- plugin_set_ptr = native_bt.plugin_find_all_from_dir(path, int(recurse))
-
- if plugin_set_ptr is None:
- return
-
- return _PluginSet._create_from_ptr(plugin_set_ptr)
-
-
-def find_plugin(name):
- utils._check_str(name)
- ptr = native_bt.plugin_find(name)
-
- if ptr is None:
- return
-
- return _Plugin._create_from_ptr(ptr)
-
-
-class _PluginSet(object._SharedObject, collections.abc.Sequence):
- _put_ref = staticmethod(native_bt.plugin_set_put_ref)
- _get_ref = staticmethod(native_bt.plugin_set_get_ref)
-
- def __len__(self):
- count = native_bt.plugin_set_get_plugin_count(self._ptr)
- assert(count >= 0)
- return count
-
- def __getitem__(self, index):
- utils._check_uint64(index)
-
- if index >= len(self):
- raise IndexError
-
- plugin_ptr = native_bt.plugin_set_borrow_plugin_by_index_const(self._ptr, index)
- assert plugin_ptr is not None
- return _Plugin._create_from_ptr_and_get_ref(plugin_ptr)
-
-
-class _PluginVersion:
- def __init__(self, major, minor, patch, extra):
- self._major = major
- self._minor = minor
- self._patch = patch
- self._extra = extra
-
- @property
- def major(self):
- return self._major
-
- @property
- def minor(self):
- return self._minor
-
- @property
- def patch(self):
- return self._patch
-
- @property
- def extra(self):
- return self._extra
-
- def __str__(self):
- extra = ''
-
- if self._extra is not None:
- extra = self._extra
-
- return '{}.{}.{}{}'.format(self._major, self._minor, self._patch, extra)
-
-
-class _PluginComponentClassesIterator(collections.abc.Iterator):
- def __init__(self, plugin_comp_cls):
- self._plugin_comp_cls = plugin_comp_cls
- self._at = 0
-
- def __next__(self):
- plugin_ptr = self._plugin_comp_cls._plugin._ptr
- total = self._plugin_comp_cls._component_class_count(plugin_ptr)
-
- if self._at == total:
- raise StopIteration
-
- comp_cls_ptr = self._plugin_comp_cls._borrow_component_class_by_index(plugin_ptr, self._at)
- assert comp_cls_ptr is not None
- self._at += 1
-
- comp_cls_type = self._plugin_comp_cls._comp_cls_type
- comp_cls_pycls = bt2.component._COMP_CLS_TYPE_TO_GENERIC_COMP_CLS_PYCLS[comp_cls_type]
- comp_cls_ptr = comp_cls_pycls._as_component_class_ptr(comp_cls_ptr)
- name = native_bt.component_class_get_name(comp_cls_ptr)
- assert name is not None
- return name
-
-
-class _PluginComponentClasses(collections.abc.Mapping):
- def __init__(self, plugin):
- self._plugin = plugin
-
- def __getitem__(self, key):
- utils._check_str(key)
- cc_ptr = self._borrow_component_class_by_name(self._plugin._ptr, key)
-
- if cc_ptr is None:
- raise KeyError(key)
-
- return bt2.component._create_component_class_from_ptr_and_get_ref(cc_ptr, self._comp_cls_type)
-
- def __len__(self):
- return self._component_class_count(self._plugin._ptr)
-
- def __iter__(self):
- return _PluginComponentClassesIterator(self)
-
-
-class _PluginSourceComponentClasses(_PluginComponentClasses):
- _component_class_count = staticmethod(native_bt.plugin_get_source_component_class_count)
- _borrow_component_class_by_name = staticmethod(native_bt.plugin_borrow_source_component_class_by_name_const)
- _borrow_component_class_by_index = staticmethod(native_bt.plugin_borrow_source_component_class_by_index_const)
- _comp_cls_type = native_bt.COMPONENT_CLASS_TYPE_SOURCE
-
-
-class _PluginFilterComponentClasses(_PluginComponentClasses):
- _component_class_count = staticmethod(native_bt.plugin_get_filter_component_class_count)
- _borrow_component_class_by_name = staticmethod(native_bt.plugin_borrow_filter_component_class_by_name_const)
- _borrow_component_class_by_index = staticmethod(native_bt.plugin_borrow_filter_component_class_by_index_const)
- _comp_cls_type = native_bt.COMPONENT_CLASS_TYPE_FILTER
-
-
-class _PluginSinkComponentClasses(_PluginComponentClasses):
- _component_class_count = staticmethod(native_bt.plugin_get_sink_component_class_count)
- _borrow_component_class_by_name = staticmethod(native_bt.plugin_borrow_sink_component_class_by_name_const)
- _borrow_component_class_by_index = staticmethod(native_bt.plugin_borrow_sink_component_class_by_index_const)
- _comp_cls_type = native_bt.COMPONENT_CLASS_TYPE_SINK
-
-
-class _Plugin(object._SharedObject):
- _put_ref = staticmethod(native_bt.plugin_put_ref)
- _get_ref = staticmethod(native_bt.plugin_get_ref)
-
- @property
- def name(self):
- name = native_bt.plugin_get_name(self._ptr)
- assert(name is not None)
- return name
-
- @property
- def author(self):
- return native_bt.plugin_get_author(self._ptr)
-
- @property
- def license(self):
- return native_bt.plugin_get_license(self._ptr)
-
- @property
- def description(self):
- return native_bt.plugin_get_description(self._ptr)
-
- @property
- def path(self):
- return native_bt.plugin_get_path(self._ptr)
-
- @property
- def version(self):
- status, major, minor, patch, extra = native_bt.plugin_get_version_wrapper(self._ptr)
-
- if status == native_bt.PROPERTY_AVAILABILITY_NOT_AVAILABLE:
- return
-
- return _PluginVersion(major, minor, patch, extra)
-
- @property
- def source_component_classes(self):
- return _PluginSourceComponentClasses(self)
-
- @property
- def filter_component_classes(self):
- return _PluginFilterComponentClasses(self)
-
- @property
- def sink_component_classes(self):
- return _PluginSinkComponentClasses(self)
projects / babeltrace.git / blobdiff