def _load_ptl(name, filename, file=None):
if not file:
try:
file = open(filename, "rb")
except IOError:
return None
path, ext = os.path.splitext(filename)
pyc_filename = path + ".pyc"
module = _load_pyc(name, filename, pyc_filename)
if module is not None:
return module
try:
output = open(pyc_filename, "wb")
except IOError:
output = None
try:
code = compile_template(file, filename, output)
except:
if output:
output.close()
os.unlink(pyc_filename)
raise
else:
if output:
output.close()
return _exec_module_code(code, name, filename)
return _exec_module_code(code, name, filename)
def _load_ptl(name, filename, file=None):
if not file:
try:
file = open(filename, "rb")
except IOError:
return None
path, ext = os.path.splitext(filename)
ptlc_filename = path + PTLC_EXT
try:
output = open(ptlc_filename, "wb")
except IOError, msg:
output = None
try:
code = compile_template(file, filename, output)
except:
# don't leave a corrupt .ptlc file around
if output:
output.close()
os.unlink(ptlc_filename)
raise
else:
if output:
output.close()
return _exec_module_code(code, name, filename)
# Constant used to signal a PTL files
PTLC_FILE = 128
PTL_FILE = 129
ptlc_filename = path + PTLC_EXT
try:
output_fd = os.open(ptlc_filename, os.O_WRONLY | os.O_CREAT, 0644)
try:
fcntl.flock(output_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
except IOError, e:
if e.errno == errno.EWOULDBLOCK:
fcntl.flock(output_fd, fcntl.LOCK_EX)
os.close(output_fd)
return _load_ptlc(name, ptlc_filename)
raise
output = os.fdopen(output_fd, 'wb')
except (OSError, IOError), e:
output = None
try:
code = compile_template(file, filename, output)
except:
# don't leave a corrupt .ptlc file around
if output:
output.close()
os.unlink(ptlc_filename)
raise
else:
if output:
output.close()
return _exec_module_code(code, name, filename)
# Constant used to signal a PTL files
PTLC_FILE = 128
PTL_FILE = 129
