def gui_socket_address():
global ADDRESS
if ADDRESS is None:
if iswindows:
ADDRESS = r'\\.\pipe\CalibreGUI'
try:
user = get_windows_username()
except:
user = None
if user:
from calibre.utils.filenames import ascii_filename
user = ascii_filename(user).replace(' ', '_')
if user:
ADDRESS += '-' + user[:100] + 'x'
else:
user = os.environ.get('USER', '')
if not user:
user = os.path.basename(os.path.expanduser('~'))
if islinux:
ADDRESS = (u'\0%s-calibre-gui.socket' % user).encode('ascii')
else:
from tempfile import gettempdir
tmp = gettempdir()
ADDRESS = os.path.join(tmp, user+'-calibre-gui.socket')
return ADDRESS
def viewer_socket_address():
global VADDRESS
if VADDRESS is None:
if iswindows:
VADDRESS = r'\\.\pipe\CalibreViewer'
try:
user = get_windows_username()
except:
user = None
if user:
user = ascii_filename(user).replace(' ', '_')
if user:
VADDRESS += '-' + user[:100] + 'x'
else:
user = os.environ.get('USER', '')
if not user:
user = os.path.basename(os.path.expanduser('~'))
if islinux:
VADDRESS = (
'\0%s-calibre-viewer.socket' %
ascii_filename(force_unicode(user))).encode('ascii')
else:
from tempfile import gettempdir
tmp = gettempdir()
VADDRESS = os.path.join(tmp, user + '-calibre-viewer.socket')
return VADDRESS
def gui_socket_address():
global ADDRESS
if ADDRESS is None:
if iswindows:
ADDRESS = r'\\.\pipe\CalibreGUI'
try:
user = get_windows_username()
except:
user = None
if user:
from calibre.utils.filenames import ascii_filename
user = ascii_filename(user).replace(' ', '_')
if user:
ADDRESS += '-' + user[:100] + 'x'
else:
user = os.environ.get('USER', '')
if not user:
user = os.path.basename(os.path.expanduser('~'))
if islinux:
ADDRESS = (u'\0%s-calibre-gui.socket' % user).encode('ascii')
else:
from tempfile import gettempdir
tmp = gettempdir()
ADDRESS = os.path.join(tmp, user + '-calibre-gui.socket')
return ADDRESS
def viewer_socket_address():
if viewer_socket_address.ans is None:
if iswindows:
viewer_socket_address.ans = r'\\.\pipe\CalibreViewer'
try:
user = get_windows_username()
except:
user = None
if user:
user = ascii_filename(user).replace(' ', '_')
if user:
viewer_socket_address.ans += '-' + user[:100] + 'x'
else:
user = os.environ.get('USER', '')
if not user:
user = os.path.basename(os.path.expanduser('~'))
if islinux:
viewer_socket_address.ans = (u'\0%s-calibre-viewer.socket' % ascii_filename(force_unicode(user)))
else:
from tempfile import gettempdir
tmp = gettempdir()
viewer_socket_address.ans = os.path.join(tmp, user+'-calibre-viewer.socket')
if not ispy3 and not isinstance(viewer_socket_address.ans, bytes):
viewer_socket_address.ans = viewer_socket_address.ans.encode(filesystem_encoding)
return viewer_socket_address.ans
def socket_address(which):
if iswindows:
ans = r'\\.\pipe\Calibre' + which
try:
user = get_windows_username()
except Exception:
user = None
if user:
user = ascii_filename(user).replace(' ', '_')
if user:
ans += '-' + user[:100] + 'x'
else:
user = force_unicode(
os.environ.get('USER')
or os.path.basename(os.path.expanduser('~')), filesystem_encoding)
sock_name = '{}-calibre-{}.socket'.format(
ascii_filename(user).replace(' ', '_'), which)
if islinux:
ans = '\0' + sock_name
else:
from tempfile import gettempdir
tmp = force_unicode(gettempdir(), filesystem_encoding)
ans = os.path.join(tmp, sock_name)
if not ispy3 and not isinstance(ans, bytes):
ans = ans.encode(filesystem_encoding)
return ans
def viewer_socket_address():
if viewer_socket_address.ans is None:
if iswindows:
viewer_socket_address.ans = r'\\.\pipe\CalibreViewer'
try:
user = get_windows_username()
except:
user = None
if user:
user = ascii_filename(user).replace(' ', '_')
if user:
viewer_socket_address.ans += '-' + user[:100] + 'x'
else:
user = os.environ.get('USER', '')
if not user:
user = os.path.basename(os.path.expanduser('~'))
if islinux:
viewer_socket_address.ans = (
u'\0%s-calibre-viewer.socket' %
ascii_filename(force_unicode(user)))
else:
from tempfile import gettempdir
tmp = gettempdir()
viewer_socket_address.ans = os.path.join(
tmp, user + '-calibre-viewer.socket')
if not ispy3 and not isinstance(viewer_socket_address.ans, bytes):
viewer_socket_address.ans = viewer_socket_address.ans.encode(
filesystem_encoding)
return viewer_socket_address.ans
def create_single_instance_mutex(name, per_user=True):
mutexname = '{}-singleinstance-{}-{}'.format(
__appname__, (get_windows_username() if per_user else ''), name)
try:
mutex = winutil.create_mutex(mutexname, False)
except FileExistsError:
return
return mutex.close
def create_single_instance_mutex(name, per_user=True):
mutexname = '{}-singleinstance-{}-{}'.format(
__appname__, (get_windows_username() if per_user else ''), name)
mutex = win32event.CreateMutex(None, False, mutexname)
if not mutex:
return
err = win32api.GetLastError()
if err == winerror.ERROR_ALREADY_EXISTS:
# Close this handle other wise this handle will prevent the mutex
# from being deleted when the process that created it exits.
win32api.CloseHandle(mutex)
return
return partial(win32api.CloseHandle, mutex)
def create_single_instance_mutex(name, per_user=True):
mutexname = '{}-singleinstance-{}-{}'.format(
__appname__, (get_windows_username() if per_user else ''), name
)
mutex = win32event.CreateMutex(None, False, mutexname)
if not mutex:
return
err = win32api.GetLastError()
if err == winerror.ERROR_ALREADY_EXISTS:
# Close this handle other wise this handle will prevent the mutex
# from being deleted when the process that created it exits.
win32api.CloseHandle(mutex)
return
return partial(win32api.CloseHandle, mutex)
