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authorSeth Hitefield <sdhitefield@gmail.com>2017-08-01 16:52:59 -0400
committerSeth Hitefield <sdhitefield@gmail.com>2017-08-01 17:31:14 -0400
commitdbf58fa349002d94c26883b130ed8864ead79ea6 (patch)
treeaac47437d257c747bdf7ecdbaaa7f9cf5d6cf07d /grc/core
parent82e2e9eb63ae92ad55a28a8c01564de5045b8056 (diff)
grc: Bug fixes for flowgraph complexity
Diffstat (limited to 'grc/core')
-rw-r--r--grc/core/FlowGraph.py16
-rw-r--r--grc/core/generator/hier_block.py4
-rw-r--r--grc/core/utils/flow_graph_complexity.py97
3 files changed, 58 insertions, 59 deletions
diff --git a/grc/core/FlowGraph.py b/grc/core/FlowGraph.py
index 481dda5786..3f21ec6a9c 100644
--- a/grc/core/FlowGraph.py
+++ b/grc/core/FlowGraph.py
@@ -387,9 +387,9 @@ class FlowGraph(Element):
had_connect_errors = False
_blocks = {block.name: block for block in self.blocks}
- # TODO: Crashes if connections section exists without actual connections.
- for src_blk_id, src_port_id, snk_blk_id, snk_port_id in data.get('connections', []):
- try:
+ try:
+ # TODO: Add better error handling if no connections exist in the flowgraph file.
+ for src_blk_id, src_port_id, snk_blk_id, snk_port_id in data.get('connections', []):
source_block = _blocks[src_blk_id]
sink_block = _blocks[snk_blk_id]
@@ -404,11 +404,11 @@ class FlowGraph(Element):
self.connect(source_port, sink_port)
- except (KeyError, LookupError) as e:
- Messages.send_error_load(
- 'Connection between {}({}) and {}({}) could not be made.\n\t{}'.format(
- src_blk_id, src_port_id, snk_blk_id, snk_port_id, e))
- had_connect_errors = True
+ except (KeyError, LookupError) as e:
+ Messages.send_error_load(
+ 'Connection between {}({}) and {}({}) could not be made.\n\t{}'.format(
+ src_blk_id, src_port_id, snk_blk_id, snk_port_id, e))
+ had_connect_errors = True
self.rewrite() # global rewrite
return had_connect_errors
diff --git a/grc/core/generator/hier_block.py b/grc/core/generator/hier_block.py
index 301562fa4f..237fd71377 100644
--- a/grc/core/generator/hier_block.py
+++ b/grc/core/generator/hier_block.py
@@ -191,7 +191,3 @@ def get_hier_block_io(flow_graph, direction, domain=None):
ports.append(clone)
else:
ports.append(master)
-
- if domain is not None:
- ports = [p for p in ports if p.domain == domain]
- yield ports # TODO: Not sure this fix is correct
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>"