def open(self, lock, ami_path, f_mode):
try:
# special names
uname = ami_path.upper()
# thor: NIL: and CONSOLE: also work as device names
# and the file names behind are ignored.
if uname.startswith("NIL:"):
sys_name = "/dev/null"
if f_mode == "rwb+":
f_mode = "rb+"
fobj = open(sys_name, f_mode)
fh = FileHandle(fobj, ami_path, sys_name, is_nil=True)
elif uname == "*" or uname.startswith("CONSOLE:"):
sys_name = ""
fh = self._create_fh(sys.stdout, "wb", "*", "")
else:
# map to system path
sys_path = self.path_mgr.ami_to_sys_path(lock,
ami_path,
searchMulti=True)
if sys_path == None:
log_file.info("file not found: '%s' -> '%s'" %
(ami_path, sys_path))
return None
# make some checks on existing file
if os.path.exists(sys_path):
# if not writeable -> no append mode
if f_mode == "rwb+":
f_mode = "rb+"
if not os.access(sys_path, os.W_OK):
if f_mode[-1] == "+":
f_mode = f_mode[:-1]
else:
# if the file does not exist, but the mode is MODE_READWRITE, create it.
if f_mode == "rwb+":
f_mode = "wb+"
log_file.debug("opening file: '%s' -> '%s' f_mode=%s" %
(ami_path, sys_path, f_mode))
fobj = open(sys_path, f_mode)
fh = FileHandle(fobj, ami_path, sys_path)
self._register_file(fh)
return fh
except IOError as e:
log_file.info("error opening: '%s' -> '%s' f_mode=%s -> %s" %
(ami_path, sys_path, f_mode, e))
return None
def _create_stdout_fh(self):
fobj = sys.stdout.buffer
# try to get a fd from fobj
try:
fileno = fobj.fileno()
# create unbuffered raw stream if its a tty
if os.isatty(fileno):
fobj = open(fileno, "wb", buffering=0)
log_file.debug(
"open no buffering: fileno=%s -> %s, fileno=%s",
fileno,
fobj,
fobj.fileno(),
)
except Exception:
pass
return FileHandle(fobj, "<STDOUT>", "/dev/stdout", need_close=False)
def open(self, lock, ami_path, f_mode):
try:
# special names
uname = ami_path.upper()
# thor: NIL: and CONSOLE: also work as device names
# and the file names behind are ignored.
if uname.startswith('NIL:'):
sys_name = "/dev/null"
if f_mode == "rwb+":
f_mode = "rb+"
fobj = open(sys_name, f_mode)
fh = FileHandle(fobj, ami_path, sys_name, is_nil = True)
elif uname == '*' or uname.startswith('CONSOLE:'):
sys_name = ''
fh = FileHandle(sys.stdout,'*','',need_close=False)
else:
# map to system path
sys_path = self.path_mgr.ami_to_sys_path(lock,ami_path,searchMulti=True)
if sys_path == None:
log_file.info("file not found: '%s' -> '%s'" % (ami_path, sys_path))
return None
# make some checks on existing file
if os.path.exists(sys_path):
# if not writeable -> no append mode
if f_mode == "rwb+":
f_mode = "rb+"
if not os.access(sys_path, os.W_OK):
if f_mode[-1] == '+':
f_mode = f_mode[:-1]
else:
# if the file does not exist, but the mode is MODE_READWRITE, create it.
if f_mode == "rwb+":
f_mode = "wb+"
log_file.debug("opening file: '%s' -> '%s' f_mode=%s" % (ami_path, sys_path, f_mode))
fobj = open(sys_path, f_mode)
fh = FileHandle(fobj, ami_path, sys_path)
self._register_file(fh)
return fh
except IOError as e:
log_file.info("error opening: '%s' -> '%s' f_mode=%s -> %s" % (ami_path, sys_path, f_mode, e))
return None