Setting bind variable for a view object from the Managed Bean

Hi,
i am using JDeveloper 11g, i have to create LOV in the JSF. To show the LOV, it has to populate data using View object and its query parameter need to be sent from the Managed Bean.
For the View object i want to set the bind variable parameter from the managed bean value. bename is stored in a managed bean (session scope)
#{beantest.bename}
But it gives the following exception.
JBO-29000: Unexpected exception caught:
org.codehaus.groovy.control.MultipleCompilationErrorsException,msg=startup failed, Script1.groovy: 1: expecting '!',found '{'@ line1, column 2.
I have followed the link http://kr.forums.oracle.com/forums/thread.jspa?threadID=615474 like Frank wrote on 8.2.2008:
But steps are not clear.
How to input the VO bind parameter with Managed bean variable?
Any Help
Regards
Raj
Edited by: user9928180 on Dec 17, 2008 9:51 AM

Hi,
a bind variable in a VO needs to be exposed as an executeWithParams operation in the pageDef file. Just add a new action binding to the pageDef file (context menu) and select the executeWithParams operation on teh VO. Then in the argument field, reference the managed bean property for the value
Frank

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I am sure that the VO is populated, because after I executeQuery, there are many rows in the VO.
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null

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[python] setting a variable in a loaded module from the main script

Hi,
I have have two python scripts, one generally controlling my desktop wallpaper, the other downloads the APOD picture from the net and sets it as my wallpaper.
At the moment I can get the wallpaper script to load the apod script as a module to use its functionality.
The problem comes when I try to get the module to recognise variables set from the parent script:
I have both scripts using the variable 'verbose' to control how much output is printed, (which can be set from the command line options).
How do I get the 'verbose' variable in the imported module to be the same as the variable set by the script?
I can get it into an imported function using a keyword assignment when called, 'download(verbose=options.verbose)', but this is forgotten when other functions are called.
I have also tried making it a global variable.
I assume it is because I am importing the module and setting the default value before the main script sets its value, but I cant see a way round this.
Any ideas?
Many thanks,
Drew

simplicity:
test1.py
#!/usr/bin/python3
__version__ = 1
from optparse import OptionParser, OptionGroup, SUPPRESS_HELP
import test2
def_msg = 3
def function1(msg=def_msg):
print('1 message level here is {0}' .format(msg))
def function2():
print('2 message level here is {0}' .format(msg))
def function3(msg=def_msg):
msg = def_msg
print('3 message level here is {0}' .format(msg))
def function4():
print('4 message level here is {0}' .format(msg))
def main(msg=def_msg):
print('m message level here is {0}' .format(msg))
function1(msg=msg)
function2()
function3()
function4()
test2.main(msg=msg)
function2()
if __name__ == "__main__":
parser = OptionParser(usage = "usage: %prog [options] command", version="%prog {0}" .format(__version__),
description = "Test script 1.")
parser.set_defaults()
standard = OptionGroup(parser, "Standard Options")
## Standard Options
standard.add_option("-q", "--quiet",
action="store_true", dest="quiet", default=False, #help=SUPPRESS_HELP)
help="only display warnings and errors")
standard.add_option("-v", "--verbose",
action="store_true", dest="verbose", default=False, #help=SUPPRESS_HELP)
help="display all output")
standard.add_option("--debug",
action="store_true", dest="debug", default=False, #help=SUPPRESS_HELP)
help="debug mode: detailed output of commands")
standard.add_option("--really-quiet",
action="store_true", dest="reallyquiet", default=False, help=SUPPRESS_HELP)
#help="only display errors")
standard.add_option("--silent",
action="store_true", dest="silent", default=False, help=SUPPRESS_HELP)
#help="don't display any output")
parser.add_option_group(standard)
(options, args) = parser.parse_args()
## message level
if options.debug == True:
msg = 5
elif options.verbose == True:
msg = 4
elif options.quiet == True:
msg = 2
elif options.reallyquiet == True:
msg = 1
elif options.silent == True:
msg = 0
else:
msg = 3
main(msg=msg)
test2.py
#!/usr/bin/python3
__version__ = 1
from optparse import OptionParser, OptionGroup, SUPPRESS_HELP
#from test1 import msg
def_msg = 3
#msg = 3
def function1(msg=def_msg):
print('1 message level here is {0}' .format(msg))
def function2(msg=def_msg):
print('2 message level here is {0}' .format(msg))
def function3():
print('3 message level here is {0}' .format(msg))
def main(msg=def_msg):
#from test1 import msg
#import test1
#msg = test1.msg
print('m message level here is {0}' .format(msg))
function1(msg=msg)
function2()
function3()
if __name__ == "__main__":
parser = OptionParser(usage = "usage: %prog [options] command", version="%prog {0}" .format(__version__),
description = "Test script 2.")
parser.set_defaults()
standard = OptionGroup(parser, "Standard Options")
## Standard Options
standard.add_option("-q", "--quiet",
action="store_true", dest="quiet", default=False, #help=SUPPRESS_HELP)
help="only display warnings and errors")
standard.add_option("-v", "--verbose",
action="store_true", dest="verbose", default=False, #help=SUPPRESS_HELP)
help="display all output")
standard.add_option("--debug",
action="store_true", dest="debug", default=False, #help=SUPPRESS_HELP)
help="debug mode: detailed output of commands")
standard.add_option("--really-quiet",
action="store_true", dest="reallyquiet", default=False, help=SUPPRESS_HELP)
#help="only display errors")
standard.add_option("--silent",
action="store_true", dest="silent", default=False, help=SUPPRESS_HELP)
#help="don't display any output")
parser.add_option_group(standard)
(options, args) = parser.parse_args()
## message level
if options.debug == True:
msg = 5
elif options.verbose == True:
msg = 4
elif options.quiet == True:
msg = 2
elif options.reallyquiet == True:
msg = 1
elif options.silent == True:
msg = 0
else:
msg = 3
main(msg=msg)
else:
msg = def_msg
I think I understand why it gives the results it does when run as 'test1.py -v'
I was just wondering if there was an easier way to get the second script to take and remember the variable without having to write variable=value into the function call every single time? However this is the only way I have found so far.
The actual code:
wallpaper.py:
#!/usr/bin/python3
#Filename: wallpaper.py
__version__ = '6.2.0'
import os, sys
from optparse import OptionParser, OptionGroup, SUPPRESS_HELP
#import warnings
import random
#import apod
##### CONFIG #####
## Global Variables
root = '/home/wallpaper'
feh_wallpaper_file = os.path.expanduser('~/.fehbg')
filter_file = os.path.expanduser('~/.config/openbox/wallpaper/mask')
config_path = os.path.expanduser('~/.config/openbox/wallpaper')
list_default = 'default-list'
list_alt = 'alt-list'
menu_default = 'menu-folders'
menu_alt = 'alt-menu'
lockfile='/tmp/wallpaper.lock'
valid_list_list = 'alt-list', 'default-list'
def_msg = 3
##### LOCK v2.2 #####
def LockScript(fun, lock=lockfile, msg=def_msg):
"""Locks the script before starting a function."""
if msg >= 5:
print('Lock :: Locking Script')
from os import O_CREAT, O_EXCL
try:
fd = os.open(lock, O_CREAT+O_EXCL)
if msg >= 5:
print('Lock :: created lock file')
except OSError:
if msg >= 1:
print('Error :: Already running function {0}...' .format(fun))
sys.exit(1)
try:
fun(msg=msg)
finally:
try:
os.remove(lock)
if msg >= 6:
print('Lock :: Removed Lock File')
except:
if msg >= 1:
print('Lock :: Error :: Lockfile missing')
##### CURRENT INFO #####
def get_filter(msg=def_msg):
"""Retrieves the filter."""
f = open(filter_file, 'r')
i = f.read()
f.close()
if msg >= 6:
print('Got Filter :: {0}' .format(i))
return i
def get_info(msg=def_msg):
"""Returns the path and name of the current wallpaper."""
with open(feh_wallpaper_file, 'r') as f:
a = f.read()
b = a[15:-1]
f.close()
name = os.path.basename(b)
try:
import apod
if name == 'apod':
path = os.path.join(apod.archive_folder, apod.thisyear)
w = os.listdir(path)
w.sort()
wnum = len(w) -1
name = w[wnum]
else:
path = os.path.dirname(b)
except:
path = os.path.dirname(b)
if msg >= 5:
print('current wallpaper :: {0} {1}' .format(path, name))
return path, name
def get_next(c, z, msg=def_msg):
"""Gets the next number in the sequence of length z."""
if c == (len(z) - 1):
n = 0
else:
n = c + 1
if msg >= 6:
print('next number is {0}' .format(n))
return n
def get_prev(c, z, msg=def_msg):
"""Gets the previous number in the sequence of length z."""
if c == 0:
p = (len(z) - 1)
else:
p = c - 1
if msg >= 6:
print('previous number is {0}' .format(p))
return p
def current_wallpaper_info(msg=def_msg):
"""Print the details of the current wallpaper."""
name = get_info(msg=msg)[1]
path = get_info(msg=msg)[0]
folder = os.path.basename(path)
mask = get_filter(msg=msg)
try:
import apod
if path.startswith(apod.archive_folder) or name.startswith('APOD'):
title = apod.get_name(fname=name, msg=msg)
print('currently the wallpaper is "{0}", {1}' .format(title, name))
elif not mask == '':
print('currently the wallpaper is {0} from folder {1} using mask {2}' .format(name, folder, mask))
else:
print('currently the wallpaper is {0} from folder {1}' .format(name, folder))
except:
print('currently the wallpaper is {0} from folder {1}' .format(name, folder))
##### SET WALLPAPER FUNCTIONS #####
def set_filter(i=None, msg=def_msg, mask_file=filter_file):
"""Sets the filter."""
if test:
f = open(mask_file, 'r')
else:
f = open(mask_file, 'w')
if i == None:
if msg >= 5:
print('clearing filter')
if test:
print('exec :: Clear filter')
else:
f.write('')
else:
if msg >= 4:
print('Setting filter as "{0}"' .format(i))
if test:
print('exec :: Writing filter as :: "{0}"' .format(i))
else:
f.write(i)
f.close()
def set_wallpaper(name, path_in=get_info()[0], msg=def_msg):
"""Set the wallpaper."""
spath = path_in.split(':')
path = spath[0]
try:
mask = spath[1]
set_filter(mask, msg=msg)
except:
pass
full = os.path.join(path, name)
if msg >= 4:
print("setting {0} as wallpaper" .format(name))
if test:
print("exec :: feh --bg-scale {0}" .format(full))
else:
os.system("feh --bg-scale {0}" .format(full))
#def set_default(d=default_file):
# """Sets the default walllpaper."""
# set_wallpaper(d[1], d[0])
def set_wallpaper_last(msg=def_msg):
"""Set the wallpaper as the last image."""
## alternativly use "eval `cat ~/.fehbg`"
full = os.path.join(get_info()[0], get_info()[1])
if msg >= 4:
print("setting {0} as wallpaper" .format(full))
if test:
print("exec :: feh --bg-scale {0}" .format(full))
else:
os.system("feh --bg-scale {0}" .format(full))
def change_folder(folder0, mask=None, msg=def_msg):
"""Change Wallpaper folder (optional filter) relative from root dir."""
folder_split = folder0.split(':')
folder = folder_split[0]
path = os.path.join(root, folder)
if not os.path.exists(path): # Path does not exist
if msg >= 1:
print('Fatal Error :: path does not exist')
print('avaliable folders are {0}' .format(avaliable_folders()))
sys.exit()
if msg >= 4:
print('changing folder to {0}' .format(folder))
f1 = os.listdir(path)
try:
if folder_split[1]:
mask = folder_split[1]
f2 = []
for i in f1:
if i.find(mask) > -1:
f2.append(i)
f = f2
if len(f) == 0:
if msg >= 2:
print('Warning :: invalid filter')
raise
set_filter(mask, msg=msg)
else: # print('null mask')
if msg >= 2:
print('Warning :: null filter')
raise
except:
if msg >= 5:
print('No filter used, clearing')
set_filter(msg=msg)
f = f1
if len(f) == 0:
if msg >= 1:
print('Fatal Error :: no files in path')
sys.exit()
r = random.randrange(0,len(f))
if msg >= 5:
print('chosing random number:: {0}' .format(r))
set_wallpaper(f[r], path, msg=msg)
def avaliable_folders(r=root, msg=def_msg):
"""Returns a list of avaliable folders in the root wallpaper directory."""
allfolders = os.listdir(r)
folders = []
for f in allfolders:
if not f.startswith("."):
folders.append(f)
return folders
##### DEFAULT / ALT SEQUENCE LISTS #####
def strip_opt(p):
#q1 = p.replace(' ','')
#q2 = q1.replace('\t','')
#q3 = q2.replace('\n','')
q = p.replace(' ','').replace('\t','').replace('\n','')
return q
def check_list(l, path=config_path, dl=list_default, al=list_alt, msg=def_msg, returnF=False):
"""Checks to see (and returns) valid path to list."""
if l == 'default' or l == 'def' or l == None :
if msg >= 4:
print('using default list')
return os.path.join(path, dl)
elif l == 'alt':
if msg >= 4:
print('using alternative list')
return os.path.join(path, al)
else:
try:
if not os.path.exists(os.path.join(path, l)):
if msg >= 1:
print('Error :: list does not exist')
raise
elif not os.path.isfile(os.path.join(path, l)):
if msg >= 1:
print('Error :: list not a file')
raise
else:
try:
c = valid_list_list.index(l)
if msg >= 6:
print('list name has been validated')
except:
if msg >= 2:
print('Warnimg :: list used has not been vaildated by script')
print('Warnimg :: if valid; add to the list of valid lists')
if msg >= 5:
print('path exists')
return os.path.join(path, l)
except:
if returnF == True:
return False
else:
if msg >= 2:
print('Warning :: using default list')
return os.path.join(config_path, dl)
def get_seq(msg=def_msg):
"""Returns the sequence of current wallpaper and curr position."""
mask = get_filter(msg=msg)
path = get_info(msg=msg)[0]
name = get_info(msg=msg)[1]
list1 = os.listdir(path)
if mask == '':
list0 = list1
else:
list2 = []
for i in list1:
if i.find(mask) > -1:
list2.append(i)
try: # check the filter is currently being used
num = list2.index(name)
#print('wallpaper in filtered list')
list0 = list2
except: # filter is out of date
if msg >= 5:
print('wallpaper not in filtered list... clearing')
list0 = list1
set_filter(msg=msg) # clear filter
list0.sort()
try: # needed if current wallpaper has been removed
num = list0.index(name)
if msg >= 5:
print('current wallpaper info ::')
print('name : {0}, number : {1}' .format(name, num))
return num, list0
except:
if msg >= 1:
print('Error :: get_seq :: Current wallpaper file missing :: name : {0}' .format(name))
return 0, list0
def list_sequence(com='next', seq=None, msg=def_msg):
cname = get_info(msg=msg)[1]
if seq == None:
list_dir = get_info(msg=msg)[0]
list_file = get_seq(msg=msg)[1]
if msg >= 4:
print('Changing wallpaper in sequence using current folder:mask')
else:
## Build a list.
a = check_list(seq, msg=msg)
list_dir = []
list_file = []
with open(a, 'r') as f:
for line in f:
i = line.split(',')
list_dir.append(os.path.join(root, strip_opt(i[0])))
list_file.append(strip_opt(i[1]))
set_filter(msg=msg) # flush mask if using a list
if msg >= 4:
print('Changing wallpaper in sequence using list file')
try:
c = list_file.index(cname)
if msg >= 5:
print('found current wallpaper in list at position {0}' .format(c))
if com == 'random':
n = random.randrange(0, len(list_file))
if msg >= 4:
print('setting random wallpaper from sequence')
elif com == 'prev':
n = get_prev(c, list_file)
if msg >= 4:
print('setting previous wallpaper in sequence')
elif com == 'next':
n = get_next(c, list_file)
if msg >= 4:
print('setting next wallpaper in sequence')
elif com == 'first':
if msg >= 4:
print('setting first wallpaper in sequence')
n = 0
else:
if msg >= 2:
print('Warning :: Unknown commmand')
n = 0
except:
if msg >= 4:
print('Warning :: not found current wallpaper in list / folder')
print('using first file in list / folder')
n = 0
if seq == None:
set_wallpaper(list_file[n], list_dir, msg=msg)
else:
set_wallpaper(list_file[n], list_dir[n], msg=msg)
def toggle_list(d='default', com='toggle', msg=def_msg):
"""Removes the current file from the list."""
a = check_list(d, msg=msg)
file_list = []
mod_file = []
cname = get_info(msg=msg)[1]
cpath = get_info(msg=msg)[0]
if os.path.dirname(cpath) == root:
cdir = os.path.basename(cpath)
elif os.path.dirname(os.path.dirname(cpath)) == root:
cdir = os.path.join(os.path.basename(os.path.dirname(cpath)), os.path.basename(cpath))
else:
print('error')
sys.exit()
cmask = get_filter(msg=msg)
if cmask == '':
cdmask = cdir
else:
cdmask = '{0}:{1}' .format(cdir, cmask)
in_list = False
with open(a) as f:
for line in f:
i = line.split(',')
if cname == strip_opt(i[1]):
if msg >= 6:
print('file in list')
in_list = True
else:
if msg >= 6:
print('file not in list')
file_list.append(strip_opt(i[1]))
mod_file.append('{0} , {1} \n' .format(strip_opt(i[0]), strip_opt(i[1])))
if in_list and com != 'rmfile' :
if msg >= 3:
print('Removed file from list')
if test:
for j in mod_file:
print('writing newline: {0}' .format(j))
else:
with open(a, 'w') as newf:
for j in mod_file:
newf.writelines(j)
elif not in_list and com != 'addfile':
mod_file.append('{0} , {1} \n' .format(cdmask, cname))
if msg >= 3:
print('Added wallpaper to list')
if test:
for j in mod_file:
print('writing newline: {0}' .format(j))
else:
with open(a, 'w') as newf:
for j in mod_file:
newf.writelines(j)
else:
if com == 'addfile':
if msg >= 2:
print('Warning :: File already in list')
elif com == 'rmfile':
if msg >= 2:
print('Warning :: File not in list')
else:
if msg >= 1:
print('Error :: UNKNOWN :: TOG LIST FUNCTION')
##### OPENBOX MENU #####
def gen_obmenu():
import oblib
for i in avaliable_folders():
oblib.item(i, 'wallpaper.py --silent --change {0}' .format(i))
def gen_obmenu_simple(name=None, i=None):
import oblib
if name == None:
oblib.pipe_start()
else:
oblib.menu_start(name, i)
oblib.item('Deafult', 'wallpaper.py --silent --default')
oblib.sep()
oblib.item('APOD', 'wallpaper.py --silent --apod')
oblib.item('APOD Save', 'wallpaper.py --silent --apod-save')
oblib.item('Random', 'wallpaper.py --silent --random')
if name == None:
oblib.pipe_end()
else:
oblib.menu_end()
def gen_obmenu_standard():
import oblib
oblib.pipe_start()
oblib.item('Deafult', 'wallpaper.py --silent --default')
oblib.sep()
oblib.item('APOD', 'wallpaper.py --silent --apod')
oblib.item('APOD Save', 'wallpaper.py --silent --apod-save')
oblib.sep()
oblib.menu_start('Change Set')
obmenu_change_set()
oblib.menu_end()
apod.obmenu_archive_folders(t='menu')
oblib.item('Toggle List', 'wallpaper.py --silent --toggle')
oblib.item('Random', 'wallpaper.py --silent --random')
oblib.pipe_end()
def gen_obmenu_alt():
import oblib
oblib.pipe_start()
oblib.sep('Alt Menu')
obmenu_change_set('alt')
oblib.pipe_end()
def obmenu_change_set(a='default', dl=menu_default, al=menu_alt):
import oblib
menu = check_list(a, dl=dl, al=al, returnF=True)
if menu != False:
f = open(menu, 'r')
for line in f:
i = line.split(',')
oblib.item(strip_opt(i[0]), 'wallpaper.py --change {0}' .format(strip_opt(i[1])))
f.close()
else:
for i in avaliable_folders():
oblib.item(i, 'wallpaper.py --change {0}' .format(i))
##### TEST FUNCTIONS #####
def parser_options():
print('Options are: {0}' .format(options))
print('Args are : {0}' .format(args))
print('Command is : {0}' .format(command))
def meta_info():
if options.meta_source == None:
print('No source specifieed')
else:
print('Script launched from source :: {0}' .format(options.meta_source))
def test_module():
#pass
#print(check_list(args[0]))
new_mod()
def new_mod():
#if path == None:
# print('No path specified, using pwd')
# path = os.curdir
#need_new_name = False
#print('Checking filenames in {0}' .format(path))
#for name in os.listdir(path):
# if name.find(" ") > -1:
# print("Warning :: > < in {0}" .format(name))
# need_new_name = True
# if name.find("'") > -1:
# print("Warning :: >'< in {0}" .format(name))
# need_new_name = True
# if name.find("&") > -1:
# print("Warning :: >&< in {0}" .format(name))
# need_new_name = True
# if name.find('"') > -1:
# print('Warning :: >"< in {0}' .format(name))
# need_new_name = True
# if need_new_name:
# new_name = name.replace('"', "").replace(" ", "_").replace("&", "and").replace("'", "")
# if re_name:
# print("Renaming to new name:: {0}" .format(new_name))
# os.rename(os.path.join(path, name), os.path.join(path, new_name))
# else:
# print("Suggested new name:: {0}" .format(new_name))
# need_new_name = False
pass
##### SANITISE WALLPAPER FILE NAMES #####
def sane_names(path=None, re_name=False, msg=def_msg):
"""Check file names in a path."""
if path == None:
print('No path specified, using pwd')
path = os.curdir
need_new_name = False
print('Checking filenames in {0}' .format(path))
for name in os.listdir(path):
if name.find(" ") > -1:
print("Warning :: > < in {0}" .format(name))
need_new_name = True
if name.find("'") > -1:
print("Warning :: >'< in {0}" .format(name))
need_new_name = True
if name.find("&") > -1:
print("Warning :: >&< in {0}" .format(name))
need_new_name = True
if name.find('"') > -1:
print('Warning :: >"< in {0}' .format(name))
need_new_name = True
if need_new_name:
new_name = name.replace('"', "").replace(" ", "_").replace("&", "and").replace("'", "")
if re_name:
print("Renaming to new name:: {0}" .format(new_name))
os.rename(os.path.join(path, name), os.path.join(path, new_name))
else:
print("Suggested new name:: {0}" .format(new_name))
need_new_name = False
print('File name check complete')
##### MAIN FUNCTION #####
def Main(msg=def_msg):
"""Chooses which command to run."""
if options.direction != None: # a dircetion has been set
list_sequence(com=options.direction, seq=options.whichlist, msg=msg)
elif command == 'last':
set_wallpaper_last(msg=msg)
elif command == 'info':
current_wallpaper_info(msg=msg)
## change folder
elif options.newfolder != None:
change_folder(options.newfolder, msg=msg)
## apod
elif command == 'apod':
#apod.download2(msg=msg, test=test)
try:
import apod
apod.download2(msg=msg, test=test)
except:
pass
elif command == 'apod-save':
#apod.apod_save('today', msg=msg, test=test)
try:
import apod
apod.apod_save('today', msg=msg, test=test)
except:
pass
## list management
elif options.toggle != None:
toggle_list(options.whichlist, com=options.toggle, msg=msg)
## openbox menu
elif command == 'obmenu':
gen_obmenu_standard()
elif command == 'obmenu-simple':
gen_obmenu_simple()
elif command == 'obmenu-alt':
gen_obmenu_alt()
## filename check
elif command == 'sane-name':
sane_names(path=options.sane_path, re_name=options.sane_rename, msg=msg)
## cycle
elif command == 'cycle':
print('ERROR :: function not implemented')
elif command == 'testmod':
test_module()
elif options.whichlist != None: # a list but no direction specified
list_sequence(seq=options.whichlist, msg=msg)
elif command == "TestNone":
print('Test mode null op[tion')
elif command == None: ## no command specified
pass
else:
print('Error :: no valid command found')
##### SCRIPT STARTUP #####
if __name__ == "__main__":
# def parse_change(option, opt_str, value, parser):
# parser.values.command = 'change'
# parser.values.newfolder = value
# def parse_smask(option, opt_str, value, parser):
# parser.values.command = 'set-mask'
# parser.values.mask = value
def parse_cycle(option, opt_str, value, parser):
parser.values.command = 'cycle'
parser.values.interval = value
def parse_msglevel(option, opt_str, value, parser):
parser.values.msg = value
# def parse_addfile(option, opt_str, value, parser):
# parser.values.command = 'addfile'
# parser.values.whichlist = value
# def parse_rmfile(option, opt_str, value, parser):
# parser.values.command = 'rmfile'
# parser.values.whichlist = value
parser = OptionParser(usage = "usage: %prog [options] command", version="%prog {0}" .format(__version__),
description = "Drews Script to the manage wallpapers using feh.")
parser.set_defaults(command=None, whichlist=None, direction=None, toggle=None, newfolder=None)
standard = OptionGroup(parser, "Standard Options")
metaopt = OptionGroup(parser, "Meta Info Options", "Further datails about the script startup useful for debugging")
gapod = OptionGroup(parser, "APOD Options", "Controls for the Astronomy Picture of the Day. ")
obmenu = OptionGroup(parser, "Openbox Menu", "Support for openbox xml menu generation. ")
#groupalt = OptionGroup(parser, "Alternative Wallpapers")
gplist = OptionGroup(parser, "List Support")
namecheck = OptionGroup(parser, "Filename Support")
direction = OptionGroup(parser, "Direction Commands")
## Standard Options
standard.add_option("-q", "--quiet",
action="store_true", dest="quiet", default=False, #help=SUPPRESS_HELP)
help="only display warnings and errors")
standard.add_option("-v", "--verbose",
action="store_true", dest="verbose", default=False, #help=SUPPRESS_HELP)
help="display all output")
standard.add_option("--debug",
action="store_true", dest="debug", default=False, #help=SUPPRESS_HELP)
help="debug mode: detailed output of commands")
standard.add_option("--really-quiet",
action="store_true", dest="reallyquiet", default=False, help=SUPPRESS_HELP)
#help="only display errors")
standard.add_option("--silent",
action="store_true", dest="silent", default=False, help=SUPPRESS_HELP)
#help="don't display any output")
standard.add_option('-t', "--test",
action="store_true", dest="test", default=False, #help=SUPPRESS_HELP)
help="test mode :: only print output")
standard.add_option("--test-mod",
action="store_const", const="testmod", dest="command", #help=SUPPRESS_HELP)
help="test mode :: use test function module")
standard.add_option("--test-none",
action="store_const", const="TestNone", dest="command", #help=SUPPRESS_HELP)
help="test mode :: no command specified")
parser.add_option("--info", '-i',
action="store_const", const="info", dest="command",
help="Displays information about the current wallpaper.")
parser.add_option("--last", '-l',
action="store_const", const="last", dest="command",
help="Sets the wallpaper as the last picture")
direction.add_option('-n', "--next",
action="store_const", const="next", dest="direction",
help="Sets the next wallpaper in the sequence")
direction.add_option('-p', "--prev", '--previous',
action="store_const", const="prev", dest="direction",
help="Sets the previous wallpaper in the sequence")
direction.add_option('-r', '--rand', "--random",
action="store_const", const="random", dest="direction",
help="Sets a random wallpaper from the sequence")
direction.add_option('-1', '--first', "--safe",
action="store_const", const="first", dest="direction",
help="Sets the first wallpaer in the sequence")
gplist.add_option('-d', "--default",
action="store_const", const="default", dest="whichlist",
help="Uses the wallpapers from the default file list")
gplist.add_option("--alt",
action="store_const", const="alt", dest="whichlist",
help="Uses the wallpapers from the alternative list")
parser.add_option("--change", '-c',
metavar="Folder[:Filter]", dest="newfolder",
help="Changes the wallpaper folder, optional filter.")
gapod.add_option('-a', "--apod",
action="store_const", const="apod", dest="command",
help="downloads and sets the wallpaper as todays APOD picture")
gapod.add_option("--apod-save",
action="store_const", const="apod-save", dest="command",
help="Saves todays APOD picture")
# gapod.add_option("--apod-last",
# action="store_const", const="apod-last", dest="command",
# help="Sets the wallpaper as yesterdays APOD picture")
# gapod.add_option("--apod-force",
# action="store_const", const="apod-force", dest="command",
# help="force the download of todays APOD picture")
gplist.add_option("--add-to-list",
action="store_const", const='rmfile', dest='toggle',
help="Adds the current wallpaper to the list.")
gplist.add_option("--remove-from-list",
action="store_const", const='addfile', dest='toggle',
help="Removes the current wallpaper from a list.")
gplist.add_option("--toggle-list", '--toggle',
action="store_const", const='toggle', dest='toggle',
help="Adds/Removes the current wallpaper from a list.")
gplist.add_option("--list",
metavar="LIST", dest='whichlist',
help="Sets which list to use.")
obmenu.add_option("--obmenu",
action="store_const", const="obmenu", dest="command",
help="Prints the standard openbox menu.")
obmenu.add_option("--obmenu-simple",
action="store_const", const="obmenu-simple", dest="command",
help="Prints the simple openbox menu.")
obmenu.add_option("--obmenu-alt",
action="store_const", const="obmenu-alt", dest="command", #help=SUPPRESS_HELP)
help="Prints the alternative openbox menu.")
namecheck.add_option("--name-check",
action="store_const", const="sane-name", dest="command",
help="Checks if wallpaper names are valid.")
namecheck.add_option("--name-path",
metavar="PATH", dest="sane_path", default=None,
help="Which folder to check.")
namecheck.add_option("--rename",
action="store_true", dest="sane_rename", default=False,
help="If to rename invalid files.")
metaopt.add_option("--meta-from",
metavar="Source", dest='meta_source', default=None,
help="Details from where the script was launched from")
parser.add_option_group(direction)
parser.add_option_group(gplist)
parser.add_option_group(gapod)
parser.add_option_group(obmenu)
#parser.add_option_group(standard)
#parser.add_option_group(metaopt)
#parser.add_option_group(namecheck)
(options, args) = parser.parse_args()
test = options.test
#debug = options.debug
#verbose = options.verbose
#quiet = options.quiet
## message level
if options.debug == True:
msg = 5
elif options.verbose == True:
msg = 4
elif options.quiet == True:
msg = 2
elif options.reallyquiet == True:
msg = 1
elif options.silent == True:
msg = 0
else:
msg = 3
#if options.command == None:
# try: # try and find a command
# command = args[0]
# except:
# pass
#else:
# command = options.command
command = options.command
if options.debug:
parser_options()
meta_info()
LockScript(Main, msg=msg) # start the script
else:
pass
apod.py
#!/usr/bin/python3
#Filename: apod.py
__version__ = '3.2.0'
import os, sys
from optparse import OptionParser, OptionGroup, SUPPRESS_HELP
import shutil
from datetime import date
#print('loaded apod')
##### VARIABLES #####
## Files and Paths
#apod_archive_folder = '/home/wallpaper/apod_archive'
archive_folder = '/home/wallpaper/apod_archive'
save_folder = '/home/wallpaper/Space'
tmpdir = '/tmp/wallpaper/apod'
html_file = os.path.join(tmpdir, 'apod-html')
img_file = os.path.join(tmpdir, 'apod-img')
index_file = os.path.join(tmpdir, 'apod-index')
work = os.path.expanduser('~/.config/openbox/apod')
date_file = os.path.join(work, 'apod-date')
apodfile = os.path.join(work, 'apod')
apodlast = os.path.join(work, 'apod-last')
namefile = os.path.join(work, 'apod-names')
video_dir = os.path.join(work, 'apod-videos')
errs = os.path.join(work, 'archive-errors')
dtoday = str(date.today()) # todays date
thisyear = dtoday[:4]
saveprefix = 'APOD-'
## Defaults
def_test = False
def_msg = 3
def_command = None
def_apodset = True
def_archive_apod = True # Keep all APOD pictures
def_clear_apod = False
def_force_apod = False
def_cutoff = None
store_file_list = ''
##### LOCK v2 #####
## Lock v2
def LockScript(fun, lock='/tmp/apod.lock', msg=def_msg):
"""Locks the script before starting a function."""
from os import O_CREAT, O_EXCL
try: # lock the function
fd = os.open(lock, O_CREAT+O_EXCL)
#print('created lock file')
except OSError:
print('Already running function {0}...' .format(fun))
sys.exit(1)
try:
fun(msg)
finally:
try: # release lock
os.remove(lock)
except:
print('Error :: Lockfile missing !!!')
##### DEFINITIONS #####
def get_date(dfile=date_file):
check_file(dfile, create=True, msg=1)
f = open(dfile)
return f.read()
def check_dir(d, create=False, msg=def_msg):
"""Check if path exists."""
if not os.path.exists(d):
if msg > 3:
print('Error : folder missing...')
if create:
try:
os.makedirs(d)
if msg > 3 :
print('...created folder')
return True
except:
print('Fatal Error :: could not create directory {0}' .format(d))
sys.exit()
else:
return False
elif not os.path.isdir(d):
print('Fatal Error :: this is not a directory')
sys.exit()
else:
return True
def check_file(f, create=False, msg=def_msg):
"""Check if path exists."""
if not os.path.exists(f):
#if msg > 3:
# print('Error : file missing...')
if create:
check_dir(os.path.dirname(f), create=create, msg=msg)
if msg > 5:
print('creating file {0}' .format(f))
try:
q = open(f, 'w')
q.write('')
q.close()
return True
except:
if msg >= 1:
print('Fatal Error :: could not create file {0}' .format(f))
sys.exit()
else:
if msg >= 5:
print('file {0} does not exist' .format(f))
return False
else:
if msg >= 5:
print('file {0} exists' .format(f))
return True
def copy_file(ffrom, fto, msg=def_msg, test=def_test):
"""Copy files, from to (with test option)."""
if test:
print('[[copy command: {0} to {1}]]' .format(ffrom, fto))
else:
try:
shutil.copy(ffrom, fto)
except:
if not os.path.exists(ffrom):
print('Warning: error copying file, does not exist')
elif os.path.isdir(ffrom):
print('Fatal Error :: file being copied is a directory!')
sys.exit()
else:
print('Fatal Error :: UNKNOWN ERROR during copy')
sys.exit()
def download_files(hfile=html_file, ifile=img_file, datefile=date_file, msg=def_msg, test=def_test, apodset=def_apodset, day='today', archive_apod=def_archive_apod):
"""Download the APOD html and img."""
import urllib.request
import socket
timeout = 10
socket.setdefaulttimeout(timeout)
if day == 'today':
url = 'http://antwrp.gsfc.nasa.gov/apod/astropix.html'
name = dtoday
year = thisyear
else:
url = 'http://antwrp.gsfc.nasa.gov/apod/ap{0}.html' .format(day)
name = day
if day[:1] == '9' :
name = '19{0}-{1}-{2}' .format(day[:2], day[2:4], day[4:])
else:
name = '20{0}-{1}-{2}' .format(day[:2], day[2:4], day[4:])
year = name[:4]
try:
response = urllib.request.urlopen(url)
html = response.read()
if msg > 3:
print('downloaded html data for {0}' .format(day))
check_file(hfile, create=True, msg=msg)
f = open(hfile, 'wb')
f.write(html)
f.close()
except:
if msg >= 1:
print('ERROR :: page not found :: exiting.')
sys.exit(1)
if day == 'today':
t = open(datefile, 'w')
t.write(dtoday)
t.close()
if msg > 3:
print('updated date file with todays date')
if msg > 3:
print('copying over yesterdays APOD image')
copy_file(apodfile, apodlast, msg=msg, test=test)
found_img = False
with open(hfile, 'r', encoding='latin-1') as g:
for line in g:
if 'IMG SRC' in line:
i = line.split('"')
if msg > 4:
print('found image : {0}' .format(i[1]))
found_img = True
try:
img_responce = urllib.request.urlopen(os.path.join('http://antwrp.gsfc.nasa.gov/apod/', i[1]))
img_data = img_responce.read()
except:
print('error in img download')
check_dir(errs, create=True, msg=1)
check_file(os.path.join(errs, name), create=True, msg=0)
else:
if msg >= 5:
print('read img data')
check_file(ifile, create=True, msg=0)
if msg >= 5:
print('created img file')
with open(ifile, 'wb') as l:
l.write(img_data)
if msg >= 3:
print('downloaded image for {0}' .format(day))
if day == 'today':
copy_file(ifile,apodfile, msg=msg, test=test)
if archive_apod:
apod_archive(msg=msg, test=test, dfile=ifile, year=year, name=name)
if not found_img :
if msg >= 3:
print('video :: not found image line in file from {0}' .format(i))
check_file(os.path.join(video_dir, name), create=True, msg=0)
if day == 'today':
print('Warning : no image line in html file')
copy_file(apodlast,apodfile, msg=msg, test=test)
os.remove(hfile)
os.remove(ifile)
def apod_archive(dfile=img_file, msg=def_msg, test=def_test, year=thisyear, name=dtoday):
"""Archive APOD picture."""
arch_file = os.path.join(archive_folder, year, name)
check_dir(os.path.join(archive_folder, year), msg=msg, create=True)
if check_file(arch_file, create=False, msg=msg):
if msg > 3:
print('APOD picture already archived')
else:
if msg > 3:
print('Archiving APOD picture')
copy_file(dfile, arch_file, msg=msg, test=test)
def apod_save(day='current', sfolder=save_folder, msg=def_msg, test=def_test, prefix=saveprefix):
"""Save APOD picture as best of APOD."""
with open(os.path.expanduser('~/.fehbg'), 'r') as f:
a = f.read()
b = a[15:-1]
f.close()
if day == 'today' or b[-4:] == 'apod':
source = apodfile
sfile = prefix + dtoday
elif day == 'current':
if not (os.path.dirname(b) == archive_folder or os.path.dirname(os.path.dirname(b)) == archive_folder ):
print('picture is not in the recognised apod archive folder')
sys.exit()
source = b
sfile = prefix+ b[-10:]
else:
if msg >= 1:
print('unknown file specified')
sys.exit(1)
if msg > 3:
print('Saving APOD picture to Save folder')
copy_file(source, os.path.join(sfolder, sfile), msg=msg, test=test)
def set_apod(a=apodfile, msg=def_msg, test=def_test, apodset=def_apodset ):
"""Sets the APOD wallpaper."""
if not apodset:
if msg > 3:
print('Skipping setting APOD picture')
else:
if msg > 3:
print('Setting APOD picture')
if test:
print("exec :: feh --bg-scale {0}" .format(a))
else:
os.system("feh --bg-scale {0}" .format(a))
def clear_date(msg=def_msg, test=False):
"""Clears the date file."""
if msg > 3:
print('reseting date')
if not test:
t = open(datefile, 'w')
t.write('')
t.close()
##### APOD NAMES #####
def get_name(fname=None, names=namefile, msg=def_msg, rerun=True, prefix=saveprefix):
"""Returns the name of an APOD file."""
name_index = []
title_index = []
with open(names, 'r') as f:
for line in f:
i = line.split(',', 3)
name_index.append(i[0])
title_index.append(i[3])
if fname == None:
if msg >= 4:
print('getting todays date')
date = get_date()
elif fname.startswith(prefix):
if msg >= 4:
print('removing save prefix from name')
date = fname[len(prefix):]
else:
date = fname
try:
c = name_index.index(date)
return title_index[c][:-2]
except:
if rerun:
if msg >= 2:
print('Warning :: name not in index, recreating')
download_apod_index(msg=msg)
build_name_list(msg=msg)
get_name(fname=fname, names=names, msg=msg, rerun=False)
else:
if msg >= 1:
print('Error :: name not in index, please recreate')
def regen_index(msg=def_msg, cutoff=None):
download_apod_index(msg=msg)
build_name_list(msg=msg, cutoff=cutoff)
def file_status(date, msg=def_msg, cutoff=None):
"""Status of an APOD Picture."""
downloaded_files = [] # files in main apod download folder
archive_files = [] # files in sub folder
archive_download = [] # files from archive download
videolist = []
for i in os.listdir(archive_folder):
if os.path.isdir(os.path.join(archive_folder,i)):
for j in os.listdir(os.path.join(archive_folder, i)):
j1 = j[2:]
j2 = j1.replace('-','')
archive_files.append(j2)
else:
i1 = i[2:]
i2 = i1.replace('-','')
downloaded_files.append(i2)
for i in os.listdir(video_dir):
videolist.append(i)
if date[:1] == '9' :
tdate = '19{0}' .format(date)
else:
tdate = '20{0}' .format(date)
if cutoff == None:
cutoff = '1995' # apod started 1995 06 16
if tdate <= cutoff:
return 'cut-off'
try:
downloaded_files.index(date)
if msg >= 5:
print('picture has been downloaded')
return 'downloaded' #print('picture from {0} has already been downloaded' .format(pagedate))
except:
pass
try:
archive_files.index(date)
if msg >= 5:
print('picture has been downloaded')
return 'archived' #print('picture from {0} has already been downloaded' .format(pagedate))
except:
pass
try:
archive_download.index(date)
if msg >= 5:
print('picture has been downloaded by archive retrieval')
return 'retrieved'
except:
pass
try:
videolist.index(date)
if msg >= 5:
print('picture is a video')
return 'video file'
except:
if msg >= 5:
print('picture is missing')
return 'missing'
def download_apod_index(msg=def_msg, index=index_file):
"""Downloads the apod index file."""
import urllib.request
try:
response = urllib.request.urlopen('http://antwrp.gsfc.nasa.gov/apod/archivepix.html')
html = response.read()
if msg > 3:
print('downloaded apod index')
check_file(index, create=True, msg=msg)
f = open(index, 'wb')
f.write(html)
f.close()
except:
if msg >= 1:
print('Fatal Error :: index page not found')
sys.exit()
def build_name_list(msg=def_msg, index=index_file, names=namefile, cutoff=None):
"""Builds a name list."""
check_file(names, create=True, msg=msg)
data = []
with open(index, 'r') as f:
for line in f:
if '<a href="ap' in line:
i = line.split(':', 1)
imgdate = i[1][13:19]
imgname = i[1][26:-9]
status = file_status(date=imgdate, msg=msg, cutoff=None)
if imgdate[:1] == '9' :
imgfile = '19{0}-{1}-{2}' .format(imgdate[:2], imgdate[2:4], imgdate[4:])
else:
imgfile = '20{0}-{1}-{2}' .format(imgdate[:2], imgdate[2:4], imgdate[4:])
if msg >= 3:
print('found file : date = {0} : status = {1} : filename = {2}' .format(imgdate, status, imgfile))
data.append('{0},{1},{2},{3} \n' .format(imgfile, imgdate, status, imgname))
if msg >= 4:
print('finished parsing index file')
with open(namefile, 'w') as newf:
for j in data:
newf.writelines(j)
if msg >= 4:
print('written new name list')
##### MACROS #####
def download2(msg=def_msg, test=def_test, apodset=def_apodset, force_apod=def_force_apod, clear_apod=def_clear_apod, archive_apod=def_archive_apod):
"""Downloads and sets APOD picture."""
if clear_apod:
clear_date(msg=msg, test=test)
if force_apod:
if msg >= 3:
print('download forced')
if get_date() != dtoday or force_apod:
download_files(msg=msg, test=test, archive_apod=archive_apod)
else:
if msg >= 2:
print('apod has already been downloaded today')
set_apod(msg=msg, test=test, apodset=apodset) # #set apod picture
def archive_download(msg=def_msg, newindex=False, cutoff=None, test=def_test):
"""Search and download missing pictures from the APOD archive pages"""
if newindex:
regen_index(msg=msg, cutoff=cutoff)
target_dates = []
with open(namefile, 'r') as g:
for line in g:
i = line.split(',')
if i[2] == 'missing':
if file_status(date=i[1], msg=msg) == 'missing':
target_dates.append(i[1])
if msg >= 4:
print('target list built')
target_dates.sort()
for j in target_dates:
if msg >= 4:
print('')
download_files(msg=msg, test=test, day=j, archive_apod=True)
##### OPENBOX MENU #####
def gen_obmenu_standard():
import oblib
oblib.pipe_start()
oblib.item('APOD', 'apod.py --update')
oblib.item('APOD Save', 'apod.py --save')
oblib.item('APOD Force', 'apod.py --force')
oblib.pipe_end()
def obmenu_archive_folders(t='pipe'):
import oblib
years = []
for i in os.listdir(archive_folder):
if os.path.isdir(os.path.join(archive_folder,i)):
years.append(i)
years.sort()
years.reverse()
if t == 'pipe':
oblib.pipe_start()
else:
oblib.menu_start('Apod Archive')
for k in years:
oblib.item('Apod: {0}' .format(k), 'wallpaper.py --change {0}/{1}' .format(archive_folder, k))
if t == 'pipe':
oblib.pipe_end()
else:
oblib.menu_end()
##### TEST FUNCTIONS #####
def parser_options():
print('Options are: {0}' .format(options))
print('Args are : {0}' .format(args))
print('Command is : {0}' .format(options.command))
def meta_info():
if options.meta_source == None:
print('No source specifieed')
else:
print('Script launched from source :: {0}' .format(options.meta_source))
def test_module(msg=def_msg):
pass
#gen_obmenu_arfolders()
#unicode_test()
#apod_archive_download(msg=msg)
#print(check_list(args[0]))
#regen_index(msg=msg)
#print(get_name(fname=None, msg=msg))
#print(len(saveprefix))
##### MAIN FUNCTION #####
def Apod_Main(msg=def_msg):
"""Main functions."""
command = options.command
check_dir(work, create=True, msg=msg)
if options.regen_index :
regen_index(msg=msg, cutoff=options.cutoff)
if command == None:
command = 'pass'
if command == "download":
if msg > 3:
print('Updating APOD')
download2(msg=msg, test=options.test, apodset=options.apodset, force_apod=options.force, clear_apod=options.clear, archive_apod=options.archive)
elif command == "download-only":
if msg > 3:
print('Downloading APOD picture only')
download2(msg=msg, test=options.test, apodset=False, force_apod=options.force, clear_apod=options.clear, archive_apod=False)
elif command == "last":
if msg > 3:
print('Setting last APOD')
set_apod(apodlast, msg=msg, test=options.test, apodset=options.apodset)
elif command == "save-today":
apod_save('today', msg=msg, test=options.test)
elif command == "save":
apod_save('current', msg=msg, test=options.test)
elif command == "set":
if msg > 3:
print('Setting APOD')
set_apod(msg=msg, test=options.test, apodset=options.apodset)
elif command == "restore":
if msg > 3:
print('Restoreing yesterdays APOD picture.')
copy_file(apodlast, apodfile, msg=msg, test=options.test)
set_apod(msg=msg, test=options.test, apodset=options.apodset)
elif command == 'retrieve':
archive_download(msg=msg, newindex=options.newindex, cutoff=options.cutoff)
elif command == 'testmod':
test_module(msg=msg)
elif command == "TestNone":
print('Test mode null op[tion')
elif command == "pass":
if msg >= 4:
print('pass option has been called')
elif not command == None:
if msg >= 2:
print('Warning :: Unrecognised command specified')
#pass
else:
if msg >= 2:
print('Warning :: no commands found, using default option')
set_apod(msg=msg, test=options.test, apodset=options.apodset)
##### SCRIPT STARTUP #####
if __name__ == "__main__":
parser = OptionParser(usage = "usage: %prog [download options] [command]", version="%prog {0}" .format(__version__),
description = "Script to manage APOD wallpapers.")
parser.set_defaults(archive=def_archive_apod, apodset=def_apodset, command=None)
standard = OptionGroup(parser, "Standard Options")
doptions = OptionGroup(parser, "Download Options")
aoptions = OptionGroup(parser, "Archive Options")
metaopt = OptionGroup(parser, "Meta Info Options", "Further datails about the script startup useful for debugging")
standard.add_option("-q", "--quiet",
action="store_true", dest="quiet", default=False,
help="only display warnings and errors")
standard.add_option("-v", "--verbose",
action="store_true", dest="verbose", default=False,
help="display all output")
standard.add_option("--debug",
action="store_true", dest="debug", default=False,
help="debug mode: detailed output of commands")
standard.add_option("--really-quiet",
action="store_true", dest="reallyquiet", default=False, help=SUPPRESS_HELP)
#help="only display errors")
standard.add_option("--silent",
action="store_true", dest="silent", default=False, help=SUPPRESS_HELP)
#help="don't display any output")
standard.add_option('-t', "--test",
action="store_true", dest="test", default=False, help=SUPPRESS_HELP)
#help="test mode :: only print output")
standard.add_option("--test-mod",
action="store_const", const="testmod", dest="command", help=SUPPRESS_HELP)
#help="test mode :: use test function module")
standard.add_option("--test-none", "--pass",
action="store_const", const="TestNone", dest="command", help=SUPPRESS_HELP)
#help="test mode :: no command specified")
parser.add_option('-a', '-u', '--update',
action="store_const", const="download", dest="command",
help="Downloads and sets the wallpaper as todays APOD picture")
parser.add_option("--save",
action="store_const", const="save", dest="command",
help="Saves the curent APOD wallpaper")
parser.add_option("--set",
action="store_const", const="set", dest="command",
help="Sets wallpaper as APOD")
parser.add_option('--download-only',
action="store_const", const="download-only", dest="command",
help="Only downloads todays APOD picture")
parser.add_option("--last",
action="store_const", const="last", dest="command",
help="Sets the wallpaper as yesterdays APOD picture")
parser.add_option("--restore",
action="store_const", const="restore", dest="command", help=SUPPRESS_HELP)
#help="Restores yesterdays APOD picture as todays.")
aoptions.add_option("--retrieve", '--populate',
action="store_const", const="retrieve", dest="command",
help="Retrives archive APOD images from the APOD archive")
aoptions.add_option("--regen-index",
action="store_true", dest="regen_index", default=False,
help="Regenerates the APOD index file")
aoptions.add_option("--no-index",
action="store_false", dest="newindex", default=True, help=SUPPRESS_HELP)
#help="Do not build a nex index")
aoptions.add_option("--cut-off",
metavar="Date", dest='cutoff', default=def_cutoff,
help="Cut off date for downloading archive pictures")
# parser.add_option("--get-name",
# metavar="NAME", dest="getname", default=None,
# help="Returns the name of a pictures name")
doptions.add_option("--force",
action="store_true", dest="force", default=def_force_apod,
help="Force the download of todays APOD picture")
doptions.add_option("--clear",
action="store_true", dest="clear", default=def_clear_apod, help=SUPPRESS_HELP)
#help="resets the date of last APOD download.")
doptions.add_option("--archive",
action="store_true", dest="archive",
help="If to archive a picture after download")
doptions.add_option("--no-archive",
action="store_false", dest="archive",
help="If to archive a picture after download")
doptions.add_option("--force-set",
action="store_true", dest="apodset", help=SUPPRESS_HELP)
#help="If to set the wallpaper as APOD.")
doptions.add_option("--no-set",
action="store_false", dest="apodset", help=SUPPRESS_HELP)
#help="Skips setting APOD as wallpaper")
metaopt.add_option("--meta-from",
metavar="Source", dest='meta_source', default=None,
help="Details from where the script was launched from")
parser.add_option_group(doptions)
parser.add_option_group(aoptions)
parser.add_option_group(standard)
#parser.add_option_group(metaopt)
(options, args) = parser.parse_args()
## message level
if options.debug == True:
msg = 5
elif options.verbose == True:
msg = 4
elif options.quiet == True: # warnings
msg = 2
elif options.reallyquiet == True: # errors only
msg = 1
elif options.silent == True: # no output
msg = 0
else:
msg = 3
if options.debug:
parser_options()
meta_info()
LockScript(Apod_Main, msg=msg)

View link accessor for master view object with bind variables

Is there a way to set bind variables for a view object to which a view link accessor is used to retrieve a view row from a detail view row in a master-detail relationship ?
I understand that RowSet (or Row) returned by a view link accessor originates from an "internally created" view object instance.
I am using 10.1.3.0.4 JDeveloper.

Thanks! that's right the bind variables when i use it on where clause must be required, so i change my sql to:
Select /*+ use_nl(p p2) */
'F' tipo_persona,
p.ID_PERSONA, p.TDOC, p.NDOC, p.DENO
From SINT_PERSONA p,
( Select /*+ index(a SINT_PERSONA_IX2) */
a.ID_PERSONA
From SINT_PERSONA_DOCUMENTO a
where ( NDOC = :p_cuit
and :p_cuit <> 0 )
) p2
Where p.id_persona = p2.id_persona
AND (deno = decode(:p_deno,'null',null,upper(:p_deno)) or
:p_deno = 'null')
AND (NDOC = decode(:p_ndoc,0,null,:p_ndoc) or
:p_ndoc = 0)
and grado_confiab > 0
and my bind variables:
p_ndoc required default value 0
p_cuit required default value 0
p_deno required default value null
and works ok!
thanks a lot !!!!

Bizarre behavior of a View Criteria for a View Object

Hey,
I remarked quite a bizarre behavior of the View criteria that I created for my view object, using bind variables.
lets say I have the generated query in the View object:
SELECT Paquet.ID,
Paquet.WEIGHT,
Paquet.VALUE,
Paquet.ORIGIN,
Paquet.DESTINATION
FROM PAQUET Paquet
I want to use the executeWithParams with bind variables for this View object.
I create a bind variable:p_o
I create the View Criteria vith the visual editor that generates an additional view clause:
( ( ( Paquet.ORIGIN LIKE ('%' || :p_o || '%') ) OR ( :p_o IS NULL ) ) )
test query works and explain plan as well.
Now, when I execute the view object on a page with the bind variable properly set, I get the error: java.sql.SQLException: Attempt to set a parameter name that does not occur in the SQL: p_o
Then I copy the where clause generated by view criteria visual edito directly to the query and delete the View Criteria, and it ALL WORKS FINE
If has to work like that, then what is the View Criteria useful for? I still think that there is a problem.
Thanks!
Taavi

Hi,
ViewCriterias are not accessed with ExecuteWith Params. For this the bind variable needs to be in the where clause. Named ViewCriterias are listed separately in the DC list
Frank

Call view object from ViewController [SOLVED]

I'm using a valueChangeListener method in a managed bean, which I'd like to use to call a method on a view object. How can I call the view object from a managed bean class?
Regards

Maik,
It is best practice to create a method on your application module, and have this method manipulate VO's and call VO methods.
See section 8.5.3.1 in ADF Developers Guide for more info o calling an AM method from a managed bean:
http://download-west.oracle.com/docs/html/B25947_01/bcservices005.htm#sthref673
Please use the JDeveloper forum in the future for question like this, that are not related to JHeadstart.
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No Signature of Method Error when trying to set Bind Variable Groovy Expr

I am trying to set a Bind variable on my view object to equal the output of a function defined in the the EntityImpl.java that corresponds to that bind variable.
I set the value of my bind variable to be = adf.object.getMyServiceType()
Where the name of the view object I am currently in is called GridSwSoftwareServiceView.xml and the Entity object is called GridSwSoftwareService.java and the EntityImpl file is called GridSwSoftwareService.java.
I am seeing this error:
No signature of method: oracle.jbo.common.VariableImpl$VariableExprValueSupplier.getMyServiceType() is applicable for argument types: () values: []
Does anyone know what this error means?
I was trying to follow an example from this doc: http://www.oracle.com/technology/products/jdev/11/how-tos/groovy/introduction_to_groovy.pdf
Edited by: user10791986 on May 21, 2010 2:50 PM

Looks like a bug... :(
It works fine as a View Object attribute expression but it fails miserably once added as an expression to the bind variable. In this case, here is a work-around:
Define the method as static in your EntityImpl.java :
public static String getMyServiceType() {
return "EBSO R12";
Then access it by fully qualifying it with the package and class :
com.yourpackage.EntityImpl.getMyServiceType()
Edited:
On a second thought, I am wondering if the expression is valid since the Entity hasn't yet constructed at that point.... That explains why it works when made static.
Nick
Edited by: Nick Haralabidis on May 21, 2010 5:16 PM

Setting bind variable for a view object from the Managed Bean

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