diff options
author | Seth Hitefield <sdhitefield@gmail.com> | 2017-08-01 16:52:59 -0400 |
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committer | Seth Hitefield <sdhitefield@gmail.com> | 2017-08-01 17:31:14 -0400 |
commit | dbf58fa349002d94c26883b130ed8864ead79ea6 (patch) | |
tree | aac47437d257c747bdf7ecdbaaa7f9cf5d6cf07d /grc/core/utils | |
parent | 82e2e9eb63ae92ad55a28a8c01564de5045b8056 (diff) |
grc: Bug fixes for flowgraph complexity
Diffstat (limited to 'grc/core/utils')
-rw-r--r-- | grc/core/utils/flow_graph_complexity.py | 97 |
1 files changed, 50 insertions, 47 deletions
diff --git a/grc/core/utils/flow_graph_complexity.py b/grc/core/utils/flow_graph_complexity.py index 15ac131d9b..e8962b0ae3 100644 --- a/grc/core/utils/flow_graph_complexity.py +++ b/grc/core/utils/flow_graph_complexity.py @@ -1,51 +1,54 @@ def calculate(flowgraph): """ Determines the complexity of a flowgraph """ - return " *** DISABLED *** " # TODO: Temporarily disabled. - dbal = 0 - for block in flowgraph.blocks: - # Skip options block - if block.key == 'options': - continue - - # Don't worry about optional sinks? - sink_list = [c for c in block.sinks if not c.optional] - source_list = [c for c in block.sources if not c.optional] - sinks = float(len(sink_list)) - sources = float(len(source_list)) - base = max(min(sinks, sources), 1) - - # Port ratio multiplier - if min(sinks, sources) > 0: - multi = sinks / sources - multi = (1 / multi) if multi > 1 else multi + + try: + dbal = 0.0 + for block in flowgraph.blocks: + if block.key == "options": + continue + + # Determine the base value for this block + sinks = sum(1.0 for port in block.sinks if not port.optional) + sources = sum(1.0 for port in block.sources if not port.optional) + base = max(min(sinks, sources), 1) + + # Determine the port multiplier + block_connections = 0.0 + for port in block.sources: + block_connections += sum(1.0 for c in port.connections()) + source_multi = max(block_connections / max(sources, 1.0), 1.0) + + # Port ratio multiplier + multi = 1.0 + if min(sinks, sources) > 0: + multi = float(sinks / sources) + multi = float(1 / multi) if multi > 1 else multi + + dbal += base * multi * source_multi + + blocks = float(len(flowgraph.blocks) - 1) + connections = float(len(flowgraph.connections)) + variables = float(len(flowgraph.get_variables())) + + enabled = float(len(flowgraph.get_enabled_blocks())) + enabled_connections = float(len(flowgraph.get_enabled_connections())) + disabled_connections = connections - enabled_connections + + # Disabled multiplier + if enabled > 0: + disabled_multi = 1 / (max(1 - ((blocks - enabled) / max(blocks, 1)), 0.05)) + else: + disabled_multi = 1 + + # Connection multiplier (How many connections ) + if (connections - disabled_connections) > 0: + conn_multi = 1 / (max(1 - (disabled_connections / max(connections, 1)), 0.05)) else: - multi = 1 - - # Connection ratio multiplier - sink_multi = max(float(sum(len(c.connections()) for c in sink_list) / max(sinks, 1.0)), 1.0) - source_multi = max(float(sum(len(c.connections()) for c in source_list) / max(sources, 1.0)), 1.0) - dbal += base * multi * sink_multi * source_multi - - blocks = float(len(flowgraph.blocks)) - connections = float(len(flowgraph.connections)) - elements = blocks + connections - disabled_connections = sum(not c.enabled for c in flowgraph.connections) - - variables = elements - blocks - connections - enabled = float(len(flowgraph.get_enabled_blocks())) - - # Disabled multiplier - if enabled > 0: - disabled_multi = 1 / (max(1 - ((blocks - enabled) / max(blocks, 1)), 0.05)) - else: - disabled_multi = 1 - - # Connection multiplier (How many connections ) - if (connections - disabled_connections) > 0: - conn_multi = 1 / (max(1 - (disabled_connections / max(connections, 1)), 0.05)) - else: - conn_multi = 1 - - final = round(max((dbal - 1) * disabled_multi * conn_multi * connections, 0.0) / 1000000, 6) - return final + conn_multi = 1 + + final = round(max((dbal - 1) * disabled_multi * conn_multi * connections, 0.0) / 1000000, 6) + return final + + except Exception: + return "<Error>" |