537 lines
16 KiB
Cython
537 lines
16 KiB
Cython
# Copyright (C) 2007-2013 various contributors (see AUTHORS)
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#
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# This file is part of Python-EFL.
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#
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# Python-EFL is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# Python-EFL is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this Python-EFL. If not, see <http://www.gnu.org/licenses/>.
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cdef extern from "Python.h":
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object PyUnicode_FromStringAndSize(char *s, Py_ssize_t len)
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int PyObject_GetBuffer(obj, Py_buffer *view, int flags)
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void PyBuffer_Release(Py_buffer *view)
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cdef exe_flags2str(int value):
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flags = []
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if value & ECORE_EXE_PIPE_READ:
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flags.append("PIPE_READ")
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if value & ECORE_EXE_PIPE_WRITE:
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flags.append("PIPE_WRITE")
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if value & ECORE_EXE_PIPE_ERROR:
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flags.append("PIPE_ERROR")
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if value & ECORE_EXE_PIPE_READ_LINE_BUFFERED:
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flags.append("PIPE_READ_LINE_BUFFERED")
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if value & ECORE_EXE_PIPE_ERROR_LINE_BUFFERED:
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flags.append("PIPE_ERROR_LINE_BUFFERED")
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if value & ECORE_EXE_PIPE_AUTO:
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flags.append("PIPE_AUTO")
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if value & ECORE_EXE_RESPAWN:
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flags.append("RESPAWN")
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if value & ECORE_EXE_USE_SH:
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flags.append("USE_SH")
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if value & ECORE_EXE_NOT_LEADER:
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flags.append("NOT_LEADER")
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return ", ".join(flags)
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cdef Eina_Bool _exe_event_filter_cb(void *data, int type, void *event) with gil:
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cdef ExeEventFilter self = <ExeEventFilter>data
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cdef Ecore_Exe_Event_Add *e_add
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cdef Ecore_Exe_Event_Del *e_del
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cdef Ecore_Exe_Event_Data *e_data
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cdef Event e
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try:
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assert self.event_type == type, "event is not what we asked? impossible"
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if type == ECORE_EXE_EVENT_ADD:
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e_add = <Ecore_Exe_Event_Add *>event
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if e_add.exe != self.exe:
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return 1
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e = EventExeAdd()
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elif type == ECORE_EXE_EVENT_DEL:
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e_del = <Ecore_Exe_Event_Del *>event
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if e_del.exe != self.exe:
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return 1
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e = EventExeDel()
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elif type == ECORE_EXE_EVENT_DATA or type == ECORE_EXE_EVENT_ERROR:
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e_data = <Ecore_Exe_Event_Data *>event
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if e_data.exe != self.exe:
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return 1
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e = EventExeData()
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else:
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raise SystemError("unknown event type=%d" % type)
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r = e._set_obj(event)
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assert r != -1, "exe is not known?! impossible!"
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cb = tuple(self.callbacks) # copy, so we can change self.callbacks
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for func, args, kargs in cb:
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try:
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func(self.owner, e, *args, **kargs)
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except:
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traceback.print_exc()
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except:
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traceback.print_exc()
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return 1 # always return true, no matter what
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cdef class ExeEventFilter:
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def __cinit__(self, *a, **ka):
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self.exe = NULL
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self.handler = NULL
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self.owner = None
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self.event_type = -1
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self.callbacks = []
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def __dealloc__(self):
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if self.handler != NULL:
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ecore_event_handler_del(self.handler)
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self.handler = NULL
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self.exe = NULL
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self.owner = None
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self.event_type = None
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self.callbacks = None
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def __init__(self, Exe exe not None, int event_type):
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self.exe = exe.exe
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self.owner = exe
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self.event_type = event_type
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self.callbacks = []
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def delete(self):
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if self.handler != NULL:
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ecore_event_handler_del(self.handler)
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self.handler = NULL
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self.callbacks = None
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def callback_add(self, func, args, kargs):
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if self.handler == NULL:
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self.handler = ecore_event_handler_add(
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self.event_type, _exe_event_filter_cb, <void *>self)
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self.callbacks.append((func, args, kargs))
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def callback_del(self, func, args, kargs):
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try:
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self.callbacks.remove((func, args, kargs))
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except ValueError, e:
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raise ValueError(
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"callback is not registered: %s, args=%s, kargs=%s" %
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(func, args, kargs))
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if self.callbacks:
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return
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if self.handler != NULL:
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ecore_event_handler_del(self.handler)
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self.handler = NULL
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def exe_run_priority_set(int pri):
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ecore_exe_run_priority_set(pri)
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def exe_run_priority_get():
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return ecore_exe_run_priority_get()
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cdef object _ecore_exe_event_mapping
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_ecore_exe_event_mapping = {}
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cdef void _ecore_exe_pre_free_cb(void *data, const_Ecore_Exe *exe) with gil:
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cdef Exe obj
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try:
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if data == NULL:
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raise ValueError("data parameter is NULL")
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else:
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obj = <Exe>data
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obj._unset_obj()
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except Exception, e:
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traceback.print_exc()
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cdef class Exe(object):
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def __cinit__(self, *a, **ka):
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self.exe = NULL
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self.__data = None
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self.__callbacks = {}
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def __init__(self, exe_cmd, int flags=0, data=None):
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if not exe_cmd:
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raise ValueError("exe_cmd must not be empty!")
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if flags is None:
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flags = 0
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self._set_obj(_fruni(exe_cmd), flags)
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self.__data = data
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self.__callbacks = {}
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cdef int _set_obj(self, char *exe_cmd, int flags) except 0:
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cdef Ecore_Exe *exe
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assert self.exe == NULL, "Exe must be clean, not wrapping any Ecore_Exe"
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exe = ecore_exe_pipe_run(exe_cmd, <Ecore_Exe_Flags>flags, <void *>self)
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if exe == NULL:
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raise SystemError("could not run subprocess %r, flags=%#x" %
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(exe_cmd, flags))
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Py_INCREF(self)
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self.exe = exe
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ecore_exe_callback_pre_free_set(exe, _ecore_exe_pre_free_cb)
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_ecore_exe_event_mapping[<long><void *>exe] = self
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return 1
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cdef int _unset_obj(self) except 0:
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assert self.exe != NULL, "Exe must wrap something"
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for t, filter in self.__callbacks.iteritems():
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filter.delete()
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self.__callbacks = None
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_ecore_exe_event_mapping.pop(<long><void *>self.exe)
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self.exe = NULL
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Py_DECREF(self)
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return 1
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def __str__(self):
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if self.exe == NULL:
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pid = None
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cmd = None
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flags = ""
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data = None
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else:
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pid = self.pid
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cmd = self.cmd
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flags = exe_flags2str(self.flags)
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data = None
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return "%s(pid=%s, cmd=%r, flags=[%s], data=%r)" % \
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(self.__class__.__name__, pid, cmd, flags, data)
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def __repr__(self):
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if self.exe == NULL:
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pid = None
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cmd = None
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flags = ""
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data = None
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else:
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pid = self.pid
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cmd = self.cmd
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flags = exe_flags2str(self.flags)
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data = None
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return ("%s(%#x, Ecore_Exe=%#x, refcount=%d, pid=%s, cmd=%r, "
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"flags=[%s], data=%r)") % \
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(self.__class__.__name__, <unsigned long><void *>self,
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<unsigned long>self.exe, PY_REFCOUNT(self),
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pid, cmd, flags, data)
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def delete(self):
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if self.exe == NULL:
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raise ValueError("%s already deleted" % self.__class__.__name__)
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ecore_exe_free(self.exe)
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def free(self):
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self.delete()
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def send(self, buf, long size=0):
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cdef Py_buffer buf_view
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if isinstance(buf, (str, unicode)):
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buf = buf.encode("UTF-8")
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PyObject_GetBuffer(buf, &buf_view, 0)
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if size <= 0:
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size = buf_view.len
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elif size > buf_view.len:
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raise ValueError(
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"given size (%d) is larger than buffer size (%d)." %
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(size, buf_view.len))
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ret = bool(ecore_exe_send(self.exe, <const_void *>buf_view.buf, buf_view.len))
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PyBuffer_Release(&buf_view)
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return ret
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def close_stdin(self):
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ecore_exe_close_stdin(self.exe)
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def auto_limits_set(self, int start_bytes, int end_bytes,
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int start_lines, int end_lines):
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ecore_exe_auto_limits_set(self.exe, start_bytes, end_bytes,
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start_lines, end_lines)
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def event_data_get(self, int flags):
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pass
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# TODO:
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#Ecore_Exe_Event_Data *ecore_exe_event_data_get(Ecore_Exe *exe, Ecore_Exe_Flags flags)
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#void ecore_exe_event_data_free(Ecore_Exe_Event_Data *data)
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def cmd_get(self):
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cdef const_char_ptr cmd = ecore_exe_cmd_get(self.exe)
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if cmd != NULL:
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return cmd
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return None
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property cmd:
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def __get__(self):
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return self.cmd_get()
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def pid_get(self):
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return ecore_exe_pid_get(self.exe)
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property pid:
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def __get__(self):
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return self.pid_get()
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def tag_set(self, char *tag):
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cdef char *s
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if tag is None:
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s = NULL
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else:
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s = tag
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ecore_exe_tag_set(self.exe, s)
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def tag_get(self):
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cdef const_char_ptr tag = ecore_exe_tag_get(self.exe)
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if tag != NULL:
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return tag
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return None
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property tag:
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def __set__(self, char *tag):
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self.tag_set(tag)
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def __get__(self):
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return self.tag_get()
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def data_get(self):
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return self.__data
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property data:
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def __get__(self):
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return self.data_get()
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def flags_get(self):
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return ecore_exe_flags_get(self.exe)
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property flags:
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def __get__(self):
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return self.flags_get()
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def signal(self, int num):
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if num != 1 or num != 2:
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raise ValueError("num must be either 1 or 2. Got %d." % num)
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ecore_exe_signal(self.exe, num)
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def pause(self):
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ecore_exe_pause(self.exe)
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def stop(self):
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self.pause()
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def continue_(self):
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ecore_exe_continue(self.exe)
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def resume(self):
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self.continue_()
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def interrupt(self):
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ecore_exe_interrupt(self.exe)
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def quit(self):
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ecore_exe_quit(self.exe)
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def terminate(self):
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ecore_exe_terminate(self.exe)
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def kill(self):
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ecore_exe_kill(self.exe)
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def hup(self):
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ecore_exe_hup(self.exe)
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def on_add_event_add(self, func, *args, **kargs):
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filter = self.__callbacks.get(ECORE_EXE_EVENT_ADD)
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if filter is None:
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filter = ExeEventFilter(self, ECORE_EXE_EVENT_ADD)
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self.__callbacks[ECORE_EXE_EVENT_ADD] = filter
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filter.callback_add(func, args, kargs)
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def on_add_event_del(self, func, *args, **kargs):
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filter = self.__callbacks.get(ECORE_EXE_EVENT_ADD)
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if filter is None:
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raise ValueError("callback not registered %s, args=%s, kargs=%s" %
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(func, args, kargs))
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filter.callback_del(func, args, kargs)
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def on_del_event_add(self, func, *args, **kargs):
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filter = self.__callbacks.get(ECORE_EXE_EVENT_DEL)
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if filter is None:
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filter = ExeEventFilter(self, ECORE_EXE_EVENT_DEL)
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self.__callbacks[ECORE_EXE_EVENT_DEL] = filter
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filter.callback_add(func, args, kargs)
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def on_del_event_del(self, func, *args, **kargs):
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filter = self.__callbacks.get(ECORE_EXE_EVENT_DEL)
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if filter is None:
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raise ValueError("callback not registered %s, args=%s, kargs=%s" %
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(func, args, kargs))
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filter.callback_del(func, args, kargs)
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def on_data_event_add(self, func, *args, **kargs):
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filter = self.__callbacks.get(ECORE_EXE_EVENT_DATA)
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if filter is None:
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filter = ExeEventFilter(self, ECORE_EXE_EVENT_DATA)
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self.__callbacks[ECORE_EXE_EVENT_DATA] = filter
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filter.callback_add(func, args, kargs)
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def on_data_event_del(self, func, *args, **kargs):
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filter = self.__callbacks.get(ECORE_EXE_EVENT_DATA)
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if filter is None:
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raise ValueError("callback not registered %s, args=%s, kargs=%s" %
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(func, args, kargs))
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filter.callback_del(func, args, kargs)
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def on_error_event_add(self, func, *args, **kargs):
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filter = self.__callbacks.get(ECORE_EXE_EVENT_ERROR)
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if filter is None:
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filter = ExeEventFilter(self, ECORE_EXE_EVENT_ERROR)
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self.__callbacks[ECORE_EXE_EVENT_ERROR] = filter
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filter.callback_add(func, args, kargs)
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def on_error_event_del(self, func, *args, **kargs):
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filter = self.__callbacks.get(ECORE_EXE_EVENT_ERROR)
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if filter is None:
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raise ValueError("callback not registered %s, args=%s, kargs=%s" %
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(func, args, kargs))
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filter.callback_del(func, args, kargs)
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def exe_run(exe_cmd, data=None):
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return Exe(exe_cmd, data=data)
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def exe_pipe_run(exe_cmd, int flags=0, data=None):
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return Exe(exe_cmd, flags, data)
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cdef class EventExeAdd(Event):
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cdef int _set_obj(self, void *o) except 0:
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cdef Ecore_Exe_Event_Add *obj
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obj = <Ecore_Exe_Event_Add*>o
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self.exe = _ecore_exe_event_mapping.get(<long>obj.exe)
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if self.exe is None:
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return -1
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return 1
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def __str__(self):
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return "%s(exe=%s)" % (self.__class__.__name__, self.exe)
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def __repr__(self):
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return "%s(exe=%r)" % (self.__class__.__name__, self.exe)
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cdef class EventExeDel(Event):
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cdef int _set_obj(self, void *o) except 0:
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cdef Ecore_Exe_Event_Del *obj
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obj = <Ecore_Exe_Event_Del*>o
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self.exe = _ecore_exe_event_mapping.get(<long>obj.exe)
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if self.exe is None:
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return -1
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self.pid = obj.pid
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self.exit_code = obj.exit_code
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self.exit_signal = obj.exit_signal
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self.exited = bool(obj.exited)
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self.signalled = bool(obj.signalled)
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return 1
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def __str__(self):
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return ("%s(pid=%s, exit_code=%s, exit_signal=%s, exited=%s, "
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"signalled=%s, exe=%s)") % \
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(self.__class__.__name__, self.pid, self.exit_code,
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self.exit_signal, self.exited, self.signalled, self.exe)
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def __repr__(self):
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return ("%s(pid=%s, exit_code=%s, exit_signal=%s, exited=%s, "
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"signalled=%s, exe=%r)") % \
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(self.__class__.__name__, self.pid, self.exit_code,
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self.exit_signal, self.exited, self.signalled, self.exe)
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cdef class EventExeData(Event):
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cdef int _set_obj(self, void *o) except 0:
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cdef Ecore_Exe_Event_Data *obj
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cdef int i
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obj = <Ecore_Exe_Event_Data*>o
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self.exe = _ecore_exe_event_mapping.get(<long>obj.exe)
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if self.exe is None:
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return -1
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self.data = PyUnicode_FromStringAndSize(<char*>obj.data, obj.size)
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self.size = obj.size
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self.lines = []
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line_append = self.lines.append
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if obj.lines:
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i = 0
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while obj.lines[i].line != NULL:
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line_append(PyUnicode_FromStringAndSize(
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obj.lines[i].line, obj.lines[i].size))
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i += 1
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return 1
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def __str__(self):
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if self.lines is None:
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count = None
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else:
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count = len(self.lines)
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return "%s(size=%d, lines=#%d, exe=%s)" % \
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(self.__class__.__name__, self.size, count, self.exe)
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def __repr__(self):
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if self.lines is None:
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count = None
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else:
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count = len(self.lines)
|
|
return "%s(size=%d, lines=#%d, exe=%r)" % \
|
|
(self.__class__.__name__, self.size, count, self.exe)
|
|
|
|
|
|
cdef class EventHandlerExe(EventHandler):
|
|
cdef Eina_Bool _exec(self, void *event) except 2:
|
|
cdef Event e
|
|
e = self.event_cls()
|
|
if e._set_obj(event) == -1: # no exe
|
|
return True
|
|
return bool(self.func(e, *self.args, **self.kargs))
|
|
|
|
|
|
def on_exe_add_event_add(func, *args, **kargs):
|
|
return EventHandlerExe(ECORE_EXE_EVENT_ADD, func, *args, **kargs)
|
|
|
|
|
|
def on_exe_del_event_add(func, *args, **kargs):
|
|
return EventHandlerExe(ECORE_EXE_EVENT_DEL, func, *args, **kargs)
|
|
|
|
|
|
def on_exe_data_event_add(func, *args, **kargs):
|
|
return EventHandlerExe(ECORE_EXE_EVENT_DATA, func, *args, **kargs)
|
|
|
|
|
|
def on_exe_error_event_add(func, *args, **kargs):
|
|
return EventHandlerExe(ECORE_EXE_EVENT_ERROR, func, *args, **kargs)
|