return __listDirectory(envdDir)
#
-def getConfigFileNames(args, checkExistence=False):
- # special case: configuration files are provided by user
- # Search for command-line argument(s) --config=file1,file2,..., filen
- # Search for command-line argument(s) --config=dir1,dir2,..., dirn
- configOptionPrefix = "--config="
- configArgs = [ str(x) for x in args if str(x).startswith(configOptionPrefix) ]
+def __getEnvironmentFileNames(args, optionPrefix, checkExistence):
+ # special case: extra configuration/environment files are provided by user
+ # Search for command-line argument(s) <optionPrefix>=file1,file2,..., filen
+ # Search for command-line argument(s) <optionPrefix>=dir1,dir2,..., dirn
+ configArgs = [ str(x) for x in args if str(x).startswith(optionPrefix) ]
- if len(configArgs) == 0:
- return __getConfigFileNamesDefault(), args, []
-
- args = [ x for x in args if not x.startswith(configOptionPrefix) ]
- allLists = [ x.replace(configOptionPrefix, '') for x in configArgs ]
+ args = [ x for x in args if not x.startswith(optionPrefix) ]
+ allLists = [ x.replace(optionPrefix, '') for x in configArgs ]
configFileNames = []
unexisting = []
return configFileNames, args, unexisting
#
+def __validate_pair(ob):
+ try:
+ if not (len(ob) == 2):
+ #print "Unexpected result:", ob
+ raise ValueError
+ except:
+ return False
+ return True
+#
+def __get_environment_from_batch_command(env_cmd, initial=None):
+ """
+ Take a command (either a single command or list of arguments)
+ and return the environment created after running that command.
+ Note that if the command must be a batch file or .cmd file, or the
+ changes to the environment will not be captured.
+
+ If initial is supplied, it is used as the initial environment passed
+ to the child process.
+ """
+ #if not isinstance(env_cmd, (list, tuple)):
+ # env_cmd = [env_cmd]
+ # construct the command that will alter the environment
+ #env_cmd = subprocess.list2cmdline(env_cmd)
+ # create a tag so we can tell in the output when the proc is done
+ tag = 'Done running command'
+ # construct a command to do accomplish this
+ cmd = '{env_cmd} && echo "{tag}"'.format(**vars())
+
+ # launch the process
+ proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, env=initial, shell=True)
+ # parse the output sent to stdout
+ lines = proc.stdout
+ # consume whatever output occurs until the tag is reached
+ #consume(itertools.takewhile(lambda l: tag not in l, lines))
+ # define a way to handle each KEY=VALUE line
+ handle_line = lambda l: l.rstrip().split('=',1)
+ # parse key/values into pairs
+ #pairs = map(handle_line, lines)
+ pairs = []
+ cpt = 0
+ while True:
+ line = lines.readline()
+ cpt = cpt+1
+ if tag in line or cpt > 1000:
+ break
+ if line:
+ pairs.append(line.rstrip().split('=',1))
+ # make sure the pairs are valid
+ valid_pairs = filter(__validate_pair, pairs)
+ # construct a dictionary of the pairs
+ result = dict(valid_pairs)
+ # let the process finish
+ proc.communicate()
+ return result
+#
+def __subtract(ref, dic):
+ result = {}
+ for key,val in ref.items():
+ if not dic.has_key(key):
+ result[key] = val
+ else:
+ # compare values types
+ if (type(dic[key]) != type(val)):
+ result[key] = val
+ else:
+ # compare values
+ if isinstance(val, basestring):
+ tolist1 = dic[key].split(os.pathsep)
+ tolist2 = val.split(os.pathsep)
+ diff = list(set(tolist2)-set(tolist1))
+ if diff:
+ result[key] = os.pathsep.join(diff)
+ else:
+ result[key] = val
+
+ return result
+#
+
+def getConfigFileNames(args, checkExistence=False):
+ configOptionPrefix = "--config="
+ configArgs = [ str(x) for x in args if str(x).startswith(configOptionPrefix) ]
+ if len(configArgs) == 0:
+ configFileNames, unexist1 = __getConfigFileNamesDefault(), []
+ else:
+ # get configuration filenames
+ configFileNames, args, unexist1 = __getEnvironmentFileNames(args, configOptionPrefix, checkExistence)
+
+ # get extra environment
+ extraEnvFileNames, args, unexist2 = __getEnvironmentFileNames(args, "--extra_env=", checkExistence)
+ before = __get_environment_from_batch_command("env")
+ after = {}
+ for filename in extraEnvFileNames:
+ after.update(__get_environment_from_batch_command(filename))
+ pass
+
+ extraEnv = __subtract(after,before)
+ return configFileNames, extraEnv, args, unexist1+unexist2
+#
+
def __getScriptPath(scriptName, searchPathList):
scriptName = os.path.expanduser(scriptName)
if os.path.isabs(scriptName):
