def get_active_window_information():
try:
_xprop = _get_stdout(['xprop', '-root', '_NET_ACTIVE_WINDOW'])
except:
raise ToolError('Could not run "xprop". Is this an X-Session?')
_id_w = None
for line in _xprop:
m = re.search('^_NET_ACTIVE_WINDOW.* ([\w]+)$', line)
if m is not None:
_window_id = m.group(1)
if _window_id is None:
raise ToolError('"xprop" did not give us _NET_ACTIVE_WINDOW.')
try:
_id_w = _get_stdout([
'xprop', '-id', _window_id, 'WM_NAME', '_NET_WM_NAME',
'_NET_WM_PID'
])
except WindowInformationError as ex:
print(ex)
raise WindowInformationError(
'"xprop" (ran order to get WM_NAME, _NET_WM_NAME and_NET_WM_PID) "'
'"returned with error')
except Exception as ex:
print(ex)
raise ToolError(
'Could not run "xprop" in order to get WM_NAME, _NET_WM_NAME and_NET_WM_PID'
)
_result = {}
for line in _id_w:
_match = re.match(".*WM_NAME\(\w+\) = (?P<name>.+)$", line)
if _match is not None:
_entry = _match.group("name").decode(
'utf-8', errors='replace').strip('"').strip()
if _entry == "":
print("could not read title from '%s'" % line)
raise WindowInformationError('could not read app title')
_result['TITLE'] = _entry
_match = re.match(".*_NET_WM_PID\(\w+\) = (?P<name>.+)$", line)
if _match is not None:
_entry = _match.group("name").decode().strip('"').strip()
if _entry != "":
_result['PID'] = int(_entry)
if 'PID' in _result:
process = psutil.Process(_result['PID'])
try:
# # in psutil 2+ cmdline is a getter
_result['COMMAND'] = ' '.join(process.cmdline())
except TypeError:
_result['COMMAND'] = ' '.join(process.cmdline)
return _result
def _get_active_process_name():
import wnck
''' deprecated '''
try:
# http://askubuntu.com/questions/152191
screen = wnck.screen_get_default()
# print screen
window = screen.get_active_window()
# print window
pid = window.get_pid()
process = psutil.Process(pid)
# print(pid)
# print(process.name)
# print(process.exe)
# print(process.cmdline)
# print('strange: process.cmdline is of type "%s"' % type(process.cmdline))
try:
# # in psutil 2+ cmdline is a getter
return ' '.join(process.cmdline())
except TypeError:
return ' '.join(process.cmdline)
except Exception:
return "error in get_active_process_name(%s)" % str(pid)
except (psutil.NoSuchProcess, AttributeError) as e:
# print e
raise WindowInformationError()
def _get_stdout(command):
""" run a command and return stdout
"""
_p = subprocess.Popen(
args=command,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
_stdout, _stderr = _p.communicate()
if _p.returncode is not 0:
raise WindowInformationError('command "%s" did not return properly' %
' '.join(command) + "\n" +
"output was: \n" + _stdout)
return _stdout.split('\n')