mozilla / mozci - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 264 units with 3,014 lines of code in units (61.9% of code).

1 very complex units (338 lines of code)
2 complex units (143 lines of code)
12 medium complex units (511 lines of code)
27 simple units (536 lines of code)
222 very simple units (1,486 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
def handle() in mozci/console/commands/push.py	338	74	1
def _is_classified_as_cause() in mozci/push.py	77	46	3
def _load_errorsummary() in mozci/data/sources/artifact/__init__.py	66	29	2
def handle() in mozci/console/commands/check_backfills.py	139	25	1
def handle() in mozci/console/commands/push.py	106	18	1
def bustage_fixed_by() in mozci/push.py	30	15	1
def parse_csv() in mozci/console/commands/batch_execution.py	57	14	2
def retrieve_results() in mozci/task.py	35	13	2
def list_classification_tasks() in mozci/console/commands/push.py	28	12	2
def status() in mozci/task.py	21	12	1
def is_group_running() in mozci/push.py	28	12	2
def prepare_for_analysis() in mozci/console/commands/push.py	26	11	1
def parse_bugs() in mozci/util/hgmo.py	14	11	2
def is_confirmed_failure() in mozci/task.py	15	11	1
def is_config_consistent_failure() in mozci/task.py	12	11	2
def _get_configuration() in mozci/task.py	19	10	4
def __init__() in mozci/push.py	28	10	3
def parent() in mozci/push.py	34	10	1
def make_push_objects() in mozci/push.py	28	10	1
def retrieve_classify_parameters() in mozci/console/commands/push.py	29	9	1
def retrieve_sheriff_reals() in mozci/console/commands/push.py	12	9	2
def is_autoclassifiable() in mozci/task.py	24	9	1
def handle() in mozci/console/commands/batch_execution.py	30	8	1
def run_push_tasks() in mozci/data/sources/taskcluster/__init__.py	55	8	3
def make_summary_objects() in mozci/push.py	11	8	4
def merge_to() in mozci/configuration.py	13	7	2
def check_type() in mozci/console/commands/push.py	16	7	3
def check_ever_classified_as_cause() in mozci/console/commands/push.py	17	7	2
def get_schedules() in mozci/data/sources/bugbug/__init__.py	17	7	2
def _get() in mozci/util/cache_stores.py	24	7	2
def is_cross_config_failure() in mozci/task.py	13	7	2
def _iterate_children() in mozci/push.py	16	7	2
def _iterate_parents() in mozci/push.py	16	7	2
def flatten() in mozci/configuration.py	13	6	2
def __init__() in mozci/configuration.py	20	6	2
def run_push_existing_classification() in mozci/data/sources/taskcluster/__init__.py	34	6	4
def get() in mozci/data/base.py	23	6	3
def backouts() in mozci/util/hgmo.py	8	6	1
def is_bad_group() in mozci/task.py	11	6	2
def classifications() in mozci/task.py	7	6	1
def failing_tasks() in mozci/task.py	8	6	1
def __make_group_summary_objects() in mozci/push.py	10	6	1
def __init__() in mozci/configuration.py	22	5	2
def handle() in mozci/console/commands/decision.py	14	5	1
def run_combinations_for_push() in mozci/console/commands/batch_execution.py	31	5	1
def retrieve_sheriff_intermittents() in mozci/console/commands/push.py	9	5	2
def build_stats() in mozci/console/commands/push.py	11	5	2
def log_pushes() in mozci/console/commands/push.py	15	5	3
def run_push_test_selection_data() in mozci/data/sources/taskcluster/__init__.py	23	5	3
def run_test_task_groups() in mozci/data/sources/treeherder/__init__.py	11	5	4