def make_node_from_property(prefix, parent, key, value, depth):
node_id = safe_id(SEP.join([prefix, key, _unicode(value or '')]))
children = []
if type(value) in cls.entities:
result = make_node_from_object(value, depth, node_id)
if cls.auto_labels:
result['name'] = "%s:<br/>%s" % (
name2label(key), result['name'])
return result
elif type(value) != sa.orm.collections.InstrumentedList:
name = "%s:<br/>%s" % (name2label(key), unicode(value))
else:
salt = SEP.join(prefix.split(SEP)[-2:] + [key])
digest = md5(salt).hexdigest()
node_id = SEP.join([prefix, key, digest])
name = "%s (%i)" % (name2label(key), len(value))
if depth < cls.depth:
if not cls._alphabetize(value):
children = [make_node_from_object(o, depth+1, node_id)
for o in value]
else:
children = cls._do_alphabetize(value, depth+1, node_id)
for child, obj in product(children, value):
if not child['id'].endswith(_unicode(obj)[0].upper()):
continue
# This would mess with all the depth checking if it
# weren't for the removal code three blocks below.
n = make_node_from_object(obj,depth+2,child['id'])
child['children'].append(n)
for child in children:
child['name'] += " (%i)" % len(child['children'])
if cls.alphabetize_minimal:
children = [c for c in children
if len(c['children']) > 0]
if not depth + 1 < cls.depth:
# Just delete 'em'! We had to query them anyways
# to get the length counts for each alphabet letter,
# but if we keep them, we disobey the cls.depth
# parameter! Oh wellz.
for child in children:
child['children'] = []
node_id = safe_id(node_id)
return {
'id' : node_id, 'name' : name, 'children' : children, 'data' : {},
}
def nested_fetch(cls):
cls.sanity()
if type(cls.rrd_directories) != list:
raise ValueError, "rrd_directories must be a list"
if not cls.rrd_directories:
raise ValueError, "rrd_directories is empty"
types = [type(item) for item in cls.rrd_directories]
if len(list(set(types))) != 1:
raise ValueError, "rrd_directories must be of homogeneous form"
_type = types[0]
if not _type in [str]:
raise ValueError, "rrd_directories items must be 'str'"
rrd_directories = cls.rrd_directories
if _type == str:
rrd_directories = [
(util.name2label(cls.directory2name(d)), d)
for d in rrd_directories
]
lens = [len(item) for item in rrd_directories]
if len(list(set(lens))) != 1:
raise ValueError, "rrd_directories items must be of the same length"
_len = lens[0]
if _len != 2:
raise ValueError, "rrd_directories items must be of length 2"
for item in rrd_directories:
if not os.path.exists(item[1]):
raise ValueError, "rrd_directory %s does not exist." % item[1]
if not os.path.isdir(item[1]):
raise ValueError, "rrd_directory %s is not a file." % item[1]
###################################
# Done error checking.
# Now we can actually get the data.
###################################
labels = [item[0] for item in rrd_directories]
data = []
for name, directory in rrd_directories:
rrd_filenames = [
(cls.file2name(directory+fname), directory+fname)
for fname in os.listdir(directory) if fname.endswith('.rrd')
]
data.append(cls._do_flat_fetch(rrd_filenames))
# Wrap up the output into a list of dicts
return [
{
'data' : data[i],
'label' : labels[i],
} for i in range(len(data))
]
def nested_fetch(cls):
cls.sanity()
if type(cls.rrd_directories) != list:
raise ValueError, "rrd_directories must be a list"
if not cls.rrd_directories:
raise ValueError, "rrd_directories is empty"
types = [type(item) for item in cls.rrd_directories]
if len(list(set(types))) != 1:
raise ValueError, "rrd_directories must be of homogeneous form"
_type = types[0]
if not _type in [str]:
raise ValueError, "rrd_directories items must be 'str'"
rrd_directories = cls.rrd_directories
if _type == str:
rrd_directories = [(util.name2label(cls.directory2name(d)), d)
for d in rrd_directories]
lens = [len(item) for item in rrd_directories]
if len(list(set(lens))) != 1:
raise ValueError, "rrd_directories items must be of the same length"
_len = lens[0]
if _len != 2:
raise ValueError, "rrd_directories items must be of length 2"
for item in rrd_directories:
if not os.path.exists(item[1]):
raise ValueError, "rrd_directory %s does not exist." % item[1]
if not os.path.isdir(item[1]):
raise ValueError, "rrd_directory %s is not a file." % item[1]
###################################
# Done error checking.
# Now we can actually get the data.
###################################
labels = [item[0] for item in rrd_directories]
data = []
for name, directory in rrd_directories:
rrd_filenames = [
(cls.file2name(directory + fname), directory + fname)
for fname in os.listdir(directory) if fname.endswith('.rrd')
]
data.append(cls._do_flat_fetch(rrd_filenames))
# Wrap up the output into a list of dicts
return [{
'data': data[i],
'label': labels[i],
} for i in range(len(data))]
def make_node_from_object(obj, depth=0, prefix=''):
node_id = safe_id(
SEP.join([prefix, type(obj).__name__,
_unicode(getattr(obj, get_pkey(type(obj))))]))
prefix = node_id
children = []
data = getattr(obj, '__jit_data__', lambda : {})()
cost = lambda k : data.get('traversal_costs', {}).get(k, 1)
if depth < cls.depth:
props = dict([(p.key, getattr(obj, p.key))
for p in obj.__mapper__.iterate_properties
if not exclude_property(p) ])
# If 'imply_relations' is set to False
# Wipe out each relation in the dict of props and replace it
# with the actual objects from the relation.
children = []
for k, v in list(props.iteritems()):
if isinstance(v, sa.orm.collections.InstrumentedList):
del props[k]
if depth+cost(k) > cls.depth:
continue
if not cls.show_empty_relations and len(v) == 0:
continue
if not cls.imply_relations:
children.extend([
make_node_from_object(
item, depth+cost(k),
"%s%s%s%s%i" % (prefix, SEP, k, SEP, i))
for i, item in enumerate(v)
])
else:
children.append(
make_node_from_property(
prefix, obj, k, v, depth+cost(k))
)
for k, v in props.iteritems():
if depth+cost(k) > cls.depth:
continue
children.append(
make_node_from_property(prefix, obj, k, v,
depth+cost(k))
)
name = unicode(obj)
if cls.auto_labels:
name = "%s: %s" % (name2label(type(obj).__name__), name)
return {
'id' : node_id,
'name' : name,
'children' : children,
'data' : data,
}
def flat_fetch(cls):
cls.sanity()
if type(cls.rrd_filenames) != list:
raise ValueError, "rrd_filenames must be a list"
if not cls.rrd_filenames:
raise ValueError, "rrd_filenames is empty"
types = [type(item) for item in cls.rrd_filenames]
if len(list(set(types))) != 1:
raise ValueError, "rrd_filenames must be of homogeneous form"
_type = types[0]
if _type not in [str, tuple]:
raise ValueError, "rrd_filenames items must be 'str' or 'tuple'"
rrd_filenames = cls.rrd_filenames
if _type == str:
rrd_filenames = [
(util.name2label(cls.file2name(f)), f) for f in rrd_filenames
]
lens = [len(item) for item in rrd_filenames]
if len(list(set(lens))) != 1:
raise ValueError, "rrd_filenames items must be of the same length"
_len = lens[0]
if _len != 2:
raise ValueError, "rrd_filenames items must be of length 2"
for item in rrd_filenames:
if not os.path.exists(item[1]):
raise ValueError, "rrd_filename %s does not exist." % item[1]
if not os.path.isfile(item[1]):
raise ValueError, "rrd_filename %s is not a file." % item[1]
###################################
# Done error checking.
# Now we can actually get the data.
###################################
return cls._do_flat_fetch(rrd_filenames)
def flat_fetch(cls):
cls.sanity()
if type(cls.rrd_filenames) != list:
raise ValueError, "rrd_filenames must be a list"
if not cls.rrd_filenames:
raise ValueError, "rrd_filenames is empty"
types = [type(item) for item in cls.rrd_filenames]
if len(list(set(types))) != 1:
raise ValueError, "rrd_filenames must be of homogeneous form"
_type = types[0]
if _type not in [str, tuple]:
raise ValueError, "rrd_filenames items must be 'str' or 'tuple'"
rrd_filenames = cls.rrd_filenames
if _type == str:
rrd_filenames = [(util.name2label(cls.file2name(f)), f)
for f in rrd_filenames]
lens = [len(item) for item in rrd_filenames]
if len(list(set(lens))) != 1:
raise ValueError, "rrd_filenames items must be of the same length"
_len = lens[0]
if _len != 2:
raise ValueError, "rrd_filenames items must be of length 2"
for item in rrd_filenames:
if not os.path.exists(item[1]):
raise ValueError, "rrd_filename %s does not exist." % item[1]
if not os.path.isfile(item[1]):
raise ValueError, "rrd_filename %s is not a file." % item[1]
###################################
# Done error checking.
# Now we can actually get the data.
###################################
return cls._do_flat_fetch(rrd_filenames)