def from_dot(filename, strict=True, directed=True, string=None):
"""
:param filename:
:param strict:
:param directed:
:param string:
:return:
"""
A = AGraph(directed=directed, strict=strict)
with open(filename) as reader:
data = reader.read()
A.from_string(data)
return A
def intermediary_to_schema(tables, relationships, output):
""" Transforms and save the intermediary representation to the file chosen. """
dot_file = _intermediary_to_dot(tables, relationships)
graph = AGraph()
graph = graph.from_string(dot_file)
extension = output.split('.')[-1]
graph.draw(path=output, prog='dot', format=extension)
def intermediary_to_schema(tables, relationships, output):
""" Transforms and save the intermediary representation to the file chosen. """
dot_file = _intermediary_to_dot(tables, relationships)
graph = AGraph()
graph = graph.from_string(dot_file)
extension = output.split('.')[-1]
graph.draw(path=output, prog='dot', format=extension)
def export_table_to_svg(output_directory, tables, output_format='svg', layout_using='neato'):
for table in tables:
table_dot = '\n' + table.to_dot()
dot_file = '{}\n{}\n}}'.format(GRAPH_BEGINNING, table_dot)
graph = AGraph(directed=True)
graph = graph.from_string(dot_file)
graph.draw(path=output_directory + "/{}.{}".format(table.name, output_format), prog=layout_using, format=output_format)
def export_to_svg(output_directory, tables, relationships, svg_per_table, output_name='erd', output_format='svg', layout_using='neato', **kwargs):
if svg_per_table:
export_table_to_svg(output_directory=output_directory, tables=tables)
tables_dot = '\n'.join(table.to_dot() for table in tables)
relationships_dot = '\n'.join(relationship.to_dot() for relationship in relationships)
dot_file = '{}\n{}\n{}\n}}'.format(GRAPH_BEGINNING, tables_dot, relationships_dot)
graph = AGraph()
graph = graph.from_string(dot_file)
graph.draw(path=output_directory + "/{}.{}".format(output_name, output_format), prog=layout_using, format=output_format)