def magic_ganga(self, parameter_s=''):
"""
IPython magic function for executing Python scripts in Ganga namespace
Usage:
ganga <script> <arguments>
<script> - Python script in Ganga search path
<arguments> - Arguments to be passed to <script>
"""
# Obtain list of arguments from input parameter string
argList = parameter_s.split()
# Determine path to script, using Ganga search rules
if argList:
path = getSearchPath()
script = getScriptPath(argList[0], path)
# Use mechanism based on that used in magic_run function of IPython
# for executing script
if script:
save_argv = sys.argv
sys.argv = [script] + argList[1:]
prog_ns = self.shell.user_ns
runner = self.shell.safe_execfile
runner(script, prog_ns, prog_ns)
sys.argv = save_argv
else:
logger.warning("Script '%s' not found in search path '%s'" %
(argList[0], path))
else:
logger.info(magic_ganga.__doc__)
return None
def load(filename="", returnList=True):
"""Function to load previously exported Ganga objects
Arguments:
filename - String [default ''] giving path to a file containing
definitions of Ganga objects, such as produced with
the 'export' function
=> The path can be absolute, relative, or relative
to a directory in the search path LOAD_SCRIPTS,
defined in [Configuration] section of
Ganga configuration
returnList - Switch [default True] defining the return type:
=> True : List of loaded objects is returned
=> False : None returned - job and template objects
stored in job repository
Return value: List of Ganga objects or None, as determined by value
of argument returnList
"""
#logger.info("Loading: %s" % str(filename))
if returnList:
returnValue = []
else:
returnValue = None
if not filename:
logger.info("Usage:")
logger.info("load( '<filename>', [ <returnList> ] )")
logger.info("See also: 'help( load )'")
return returnValue
searchPath = getSearchPath("LOAD_PATH")
filepath = getScriptPath(filename, searchPath)
try:
with open(filepath) as inFile:
lineList = []
for line in inFile:
if (line.strip().startswith("#Ganga#")):
lineList.append("#Ganga#")
else:
lineList.append(line)
itemList = ("".join(lineList)).split("#Ganga#")
except IOError:
logger.error("Unable to open file %s" % (str(filename)))
logger.error("No objects loaded")
return returnValue
objectList = []
for item in itemList:
item = item.strip()
if item:
try:
this_object = eval(str(item), Ganga.GPI.__dict__)
objectList.append(this_object)
except NameError as x:
logger.exception(x)
logger.warning("Unable to load object with definition %s" % item)
logger.warning("Required plug-ins may not be available")
if not objectList:
logger.warning("Unable to load any objects from file %s" % filename)
if returnList:
returnValue = objectList
return returnValue
def load(filename="", returnList=True):
"""Function to load previously exported Ganga objects
Arguments:
filename - String [default ''] giving path to a file containing
definitions of Ganga objects, such as produced with
the 'export' function
=> The path can be absolute, relative, or relative
to a directory in the search path LOAD_SCRIPTS,
defined in [Configuration] section of
Ganga configuration
returnList - Switch [default True] defining the return type:
=> True : List of loaded objects is returned
=> False : None returned - job and template objects
stored in job repository
Return value: List of Ganga objects or None, as determined by value
of argument returnList
"""
#logger.info("Loading: %s" % str(filename))
if returnList:
returnValue = []
else:
returnValue = None
if not filename:
logger.info("Usage:")
logger.info("load( '<filename>', [ <returnList> ] )")
logger.info("See also: 'help( load )'")
return returnValue
searchPath = getSearchPath("LOAD_PATH")
filepath = getScriptPath(filename, searchPath)
try:
with open(filepath) as inFile:
lineList = []
for line in inFile:
if (line.strip().startswith("#Ganga#")):
lineList.append("#Ganga#")
else:
lineList.append(line)
itemList = ("".join(lineList)).split("#Ganga#")
except IOError:
logger.error("Unable to open file %s" % (str(filename)))
logger.error("No objects loaded")
return returnValue
objectList = []
for item in itemList:
item = item.strip()
if item:
try:
from Ganga.GPIDev.Base.Proxy import getProxyInterface
this_object = eval(str(item), getProxyInterface().__dict__)
objectList.append(this_object)
except NameError as x:
logger.exception(x)
logger.warning("Unable to load object with definition %s" %
item)
logger.warning("Required plug-ins may not be available")
if not objectList:
logger.warning("Unable to load any objects from file %s" % filename)
if returnList:
returnValue = objectList
return returnValue