def summarize_features():
level2nodes = load_level2_nodes()
tm = TaxonomyManager(dir=TAXONOMY_DIR,
levels=4,
verbosity='low',
lazy=False)
level2classes = [c for c in tm.classes if c.level() == 2 and
c.id() in level2nodes]
descendants = {}
for parent in level2classes:
desc = tm.descendants_of(parent.id())
descendants[parent.id()] = set([c.id() for c in desc
if c.level() == 4])
for feature in FEATURES:
in_dir = os.path.join(FEATURESET_ROOT, feature, 'raw')
out_dir = os.path.join(FEATURESET_ROOT, feature, 'summarized')
files = [f for f in os.listdir(in_dir) if f.endswith('.csv')]
for filename in files:
#print(filename)
#element_id = int(filename.split('.')[0])
# Load up the list of thesaurus nodes from this element's
# raw .csv file
in_file = os.path.join(in_dir, filename)
nodes = defaultdict(int)
with open(in_file) as csvfile:
csvreader = csv.reader(csvfile)
for row in csvreader:
thesaurus_node = int(row[2])
nodes[thesaurus_node] += 1
total = sum(nodes.values()) or 1
level2_counts = {}
for id, desc in descendants.items():
level2_counts[id] = 0
for node, count in nodes.items():
if node in desc:
level2_counts[id] += count
out_file = os.path.join(out_dir, filename)
with open(out_file, 'w') as csvfile:
csvwriter = csv.writer(csvfile)
for id in sorted(level2_counts.keys()):
ratio = level2_counts[id] / total
ratio = float('%.3g' % ratio)
row = [id, level2_counts[id], ratio,]
csvwriter.writerow(row)
def compute_rectangles(self, **kwargs):
for key, value in kwargs.items():
self.args[key] = value
in_dir = self.args.get('taxonomy_dir', None)
self.taxonomy_manager = TaxonomyManager(dir=in_dir,
levels=self.args.get('depth', 4),
verbosity=None,
lazy=True,)
self._set_sizes(self.taxonomy_manager.classes)
root_classes = [c for c in self.taxonomy_manager.classes
if c.level() == 1]
self.total_size = sum([c.branch_size for c in root_classes])
self.sort_order = 0
self._iterate_tree(classes=root_classes,
orientation=self.args.get('orientation', 'horizontal'),
x=self.args.get('x', 0),
y=self.args.get('y', 0),
width=self.args.get('width', 1),
height=self.args.get('height', 1),)
class Treemap(object):
"""
Build data used for displaying the Historical Thesaurus as a treemap.
Optional named arguments to init are:
- taxonomy_dir: path to the HTOED taxonomy directory
- depth: number of levels to go down (defaults to 4)
- orientation: 'horizontal' (default) or 'vertical'
- width: defaults to 1
- height: defaults to 1
"""
def __init__(self, **kwargs):
self.args = {key: value for key, value in kwargs.items()}
self.rectangles = []
self.total_size = None
def write_to_csv(self, **kwargs):
"""
Write the treemap data to a CSV file.
Named argument:
- out_file: path to the output CSV file
"""
for key, value in kwargs.items():
self.args[key] = value
columns = OUTPUT_COLUMNS[:]
omit_breadcrumb = self.args.get('omit_breadcrumb', False)
omit_label = self.args.get('omit_label', True)
if omit_breadcrumb:
columns = [c for c in columns if c != 'breadcrumb']
if omit_label:
columns = [c for c in columns if c != 'label']
if not self.rectangles:
self.compute_rectangles()
self._set_rounder()
with open(self.args['out_file'], 'w') as filehandle:
writer = csv.writer(filehandle)
writer.writerow(columns)
for thesaurus_class in self.rectangles:
writer.writerow(self._data_row(thesaurus_class))
def _convert_to_json(self, **kwargs):
for key, value in kwargs.items():
self.args[key] = value
if not self.rectangles:
self.compute_rectangles()
self._set_rounder()
mode = self.args.get('mode', 'array')
outputlist = []
for thesaurus_class in self.rectangles:
if mode in ('array', 'list', 'tuple'):
datablob = self._data_row(thesaurus_class)
elif mode in ('dict', 'dictionary', 'hash', 'object'):
datablob = {key: value for key, value in
zip(OUTPUT_COLUMNS,
self._data_row(thesaurus_class))}
outputlist.append(datablob)
return outputlist
def return_json(self, **kwargs):
outputlist = self._convert_to_json(**kwargs)
return json.dumps(outputlist)
def write_to_json(self, **kwargs):
"""
Write the treemap data to a JSON file.
Named arguments:
- out_file: path to the output JSON file
- mode: 'array' (default) or 'dict', which changes how the
data for each element is stored; 'dict' is more verbose
and explicit.
"""
for key, value in kwargs.items():
self.args[key] = value
outputlist = self._convert_to_json(**kwargs)
with open(self.args.get('out_file'), 'w') as filehandle:
json.dump(outputlist, filehandle)
def _data_row(self, thesaurus_class):
omit_breadcrumb = self.args.get('omit_breadcrumb', False)
omit_label = self.args.get('omit_label', True)
ratio = thesaurus_class.branch_size / self.total_size
ratio = float('%.3g' % ratio)
row = [
thesaurus_class.id(),
thesaurus_class.root(),
thesaurus_class.level(),
thesaurus_class.branch_size,
ratio,
self._rounder(thesaurus_class.rectangle.x),
self._rounder(thesaurus_class.rectangle.y),
self._rounder(thesaurus_class.rectangle.width),
self._rounder(thesaurus_class.rectangle.height),
thesaurus_class.sort,
]
if not omit_label:
row.append(thesaurus_class.label())
if not omit_breadcrumb:
row.append(thesaurus_class.breadcrumb())
return row
def compute_rectangles(self, **kwargs):
for key, value in kwargs.items():
self.args[key] = value
in_dir = self.args.get('taxonomy_dir', None)
self.taxonomy_manager = TaxonomyManager(dir=in_dir,
levels=self.args.get('depth', 4),
verbosity=None,
lazy=True,)
self._set_sizes(self.taxonomy_manager.classes)
root_classes = [c for c in self.taxonomy_manager.classes
if c.level() == 1]
self.total_size = sum([c.branch_size for c in root_classes])
self.sort_order = 0
self._iterate_tree(classes=root_classes,
orientation=self.args.get('orientation', 'horizontal'),
x=self.args.get('x', 0),
y=self.args.get('y', 0),
width=self.args.get('width', 1),
height=self.args.get('height', 1),)
def _iterate_tree(self, **kwargs):
classes = kwargs.get('classes')
orientation = kwargs.get('orientation')
x_coord = kwargs.get('x')
y_coord = kwargs.get('y')
width = kwargs.get('width')
height = kwargs.get('height')
total_size = sum([thesaurus_class.branch_size for
thesaurus_class in classes])
if total_size == 0:
scale = 0
elif orientation == 'horizontal':
scale = width / total_size
elif orientation == 'vertical':
scale = height / total_size
for thesaurus_class in classes:
rect_size = thesaurus_class.branch_size * scale
if orientation == 'horizontal':
thesaurus_class.rectangle = Coordinates(x_coord, y_coord, rect_size, height)
x_coord += rect_size
else:
thesaurus_class.rectangle = Coordinates(x_coord, y_coord, width, rect_size)
y_coord += rect_size
thesaurus_class.sort = self.sort_order
self.rectangles.append(thesaurus_class)
self.sort_order += 1
minimum_size = thesaurus_class.size(branch=True) * 0.01
offspring = [child for child in
self.taxonomy_manager.children_of(thesaurus_class.id())
if child.wordclass() is None and
child.size(branch=True) > minimum_size]
if offspring:
if orientation == 'horizontal':
new_orientation = 'vertical'
else:
new_orientation = 'horizontal'
self._iterate_tree(classes=offspring,
orientation=new_orientation,
x=thesaurus_class.rectangle.x,
y=thesaurus_class.rectangle.y,
width=thesaurus_class.rectangle.width,
height=thesaurus_class.rectangle.height,)
def _set_rounder(self):
decimals = self.args.get('decimal_places', 4)
self.rounder_formatter = '%.' + str(decimals) + 'f'
def _rounder(self, value):
return float(self.rounder_formatter % value)
def _set_sizes(self, classes):
try:
self.args['class_sizes']
except KeyError:
for thesaurus_class in classes:
thesaurus_class.branch_size = thesaurus_class.size(branch=True)
else:
for thesaurus_class in classes:
if thesaurus_class.id() in self.args['class_sizes']:
thesaurus_class.branch_size = self.args['class_sizes'][thesaurus_class.id()]
else:
thesaurus_class.branch_size = thesaurus_class.size(branch=True)
