def from_code(cls, code, **kwargs):
"""Instantiate the class from source code (string object). The
`**kwargs` are directly passed to the `ast.NodeVisitor` constructor.
"""
cls.code = code
node = code2ast(code)
return cls.from_ast(node, **kwargs)
def analyze_complexity(code, code_metrics, is_multi):
ast = visitors.code2ast(code)
# Cyclomatic complexity
complexity_visitor = ComplexityVisitor.from_ast(ast)
res = get_wavg_complexity(complexity_visitor.blocks)
# Maintainability index and rank
if code_metrics['sloc'] != 0:
comments_lines = (code_metrics['comments'] +
(code_metrics['multi'] if is_multi else 0))
comments = utils.divide_or_zero(comments_lines,
code_metrics['sloc']) * 100
else:
comments = 0
res['mi'] = metrics.mi_compute(calculate_halstead_volume(ast),
complexity_visitor.total_complexity,
code_metrics['lloc'], comments)
return res
def cc_visit(code, **kwargs):
'''Visit the given code with :class:`~radon.visitors.ComplexityVisitor`.
All the keyword arguments are directly passed to the visitor.
'''
return cc_visit_ast(code2ast(code), **kwargs)
def cc_visit(code, **kwargs):
'''Visit the given code with :class:`~radon.visitors.ComplexityVisitor`.
All the keyword arguments are directly passed to the visitor.
'''
return cc_visit_ast(code2ast(code), **kwargs)
def is_hardcoded_data(code):
ast_nodes = visitors.code2ast(code).body
avg_code_block_len = sum(n.end_lineno - n.lineno + 1
for n in ast_nodes) / len(ast_nodes)
return avg_code_block_len > cfg.CODE_BLOCK_LEN_HARDCODED_DATA
def cc_visit(code, **kwargs):
'''Visit the given code with :class:`~radon.visitors.ComplexityVisitor` and
then pass the result to the :func:`~radon.complexity.sorted_results`
function.
'''
return cc_visit_ast(code2ast(code), **kwargs)