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Fixed the issue of missing wires when multiple blocks are connected to other multiple blocks through a single block (port) #339

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Fixed the issue of missing wires when multiple blocks are connected to other multiple blocks through a single block (port) #339

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185 changes: 118 additions & 67 deletions backend/synthesis/synthesis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,6 @@ def syntheize_modules(data: dict, zipfile: InMemoryZip) -> Tuple[InMemoryZip, Di
Blocks, parameters and the connections (wires) between the blocks stored in a
JSON file.
'''
# Initialize an empty dictionary for tracking dependencies, blocks, parameters, synhronize_frequency, optional_files
dependencies = {}
blocks = {}
parameters = {}
Expand Down Expand Up @@ -157,103 +156,155 @@ def process_dependency(dep, zipfile, synhronize_frequency, optional_files, dep_n
# Add the wire to the valid_wires list
valid_wires.append(wire)

# Function to process wires and handle absent blocks
def process_wires(valid_wires):
# Initialize dictionaries to track source and target ports
wire_check_source = {}
wire_check_target = {}

# Initialize a counter for iteration
count = 0
# Set a flag to detect changes
changes_detected = True
def process_wires(valid_wires):
count = 0 # Initialize a counter for processing iterations
changes_detected = True # Boolean flag to track if changes were made in the current iteration

# Continue processing while changes are detected
# Loop until no changes are detected
while changes_detected:
changes_detected = False
wire_check_source = {} # Dictionary to store wires' source info where 'ob' is absent
wire_check_target = {}
changes_detected = False # Reset changes_detected to False before processing wires

new_wires = [] # List to store newly created wires

# Iterate over valid wires in reverse order
# Iterate through valid_wires in reverse order
for i in range(len(valid_wires) - 1, -1, -1):
wire = valid_wires[i]
remove_wire = False # Flag to determine if the wire should be removed
count += 1 # Increment the counter
wire = valid_wires[i] # Access the current wire from valid_wires
remove_wire = False # Flag to mark whether the current wire should be removed

count += 1 # Increment the processing counter

# Check if the source port is 'input-out'
if wire['source']['port'] == 'input-out':
port_name = wire['source']['block']
# Check if the target is marked 'absent'
port_name = wire['source']['block'] # Get the block name of the source port

# If the target has 'ob' and it's 'absent', track it for processing later
if 'ob' in wire['target'] and wire['target']['ob'] == 'absent':
# Add target details to wire_check_source with 'input-out' port
wire_check_source[port_name] = wire['target'].copy()
wire_check_source[port_name]['port'] = port_name
if port_name not in wire_check_source:
wire_check_source[port_name] = [] # Initialize list if it's not present
wire_check_source[port_name].append(wire['target'].copy()) # Append a copy of the target
wire_check_source[port_name][-1]['port'] = port_name # Set the port name for the new entry
else:
# Add target details to wire_check_source
wire_check_source[port_name] = wire['target']
# Mark the wire for removal
remove_wire = True
# Otherwise, add the target to wire_check_source and mark for removal
if port_name not in wire_check_source:
wire_check_source[port_name] = []
wire_check_source[port_name].append(wire['target']) # Add target to the dictionary
remove_wire = True # Mark the wire for removal later

# Check if the target port is 'output-in'
if wire['target']['port'] == 'output-in':
port_name = wire['target']['block']
# Check if the source is marked 'absent'
port_name = wire['target']['block'] # Get the block name of the target port

# If the source has 'ob' and it's 'absent', track it for processing later
if 'ob' in wire['source'] and wire['source']['ob'] == 'absent':
# Add source details to wire_check_target with 'output-in' port
wire_check_target[port_name] = wire['source'].copy()
wire_check_target[port_name]['port'] = port_name
if port_name not in wire_check_target:
wire_check_target[port_name] = [] # Initialize list if it's not present
wire_check_target[port_name].append(wire['source'].copy()) # Append a copy of the source
wire_check_target[port_name][-1]['port'] = port_name # Set the port name for the new entry
else:
# Add source details to wire_check_target
wire_check_target[port_name] = wire['source']
# Mark the wire for removal
remove_wire = True
# Otherwise, add the source to wire_check_target and mark for removal
if port_name not in wire_check_target:
wire_check_target[port_name] = []
wire_check_target[port_name].append(wire['source']) # Add source to the dictionary
remove_wire = True # Mark the wire for removal later

# Remove the wire from valid_wires if marked for removal
# Remove the wire if it was marked for removal
if remove_wire:
del valid_wires[i]
changes_detected = True # Set flag to true since changes were made
del valid_wires[i] # Remove the wire from valid_wires
changes_detected = True # Set changes_detected to True as wires were modified

i = 0 # Initialize counter for iterating through valid_wires
new_wires = [] # Reset the list to store any newly created wires

# Iterate through valid_wires starting from the beginning
while i < len(valid_wires):
wire = valid_wires[i] # Access the current wire

# Iterate over the valid wires to update ports
for i, wire in enumerate(valid_wires):
# Check if the source port name has 36 characters
# Check if the source port is exactly 36 characters (for specific port length)
if len(wire['source'].get('port', '')) == 36:
port_name = wire['source']['port']
# Update source with wire_check_target details if present
if port_name in wire_check_target:
valid_wires[i]['source'] = wire_check_target[port_name]
# Update port name if 'absent' flag is present
if 'ob' in valid_wires[i]['source']:
port_name = wire['source']['port'] # Get the port name of the source

# If the port name exists in wire_check_target, process the sources
if port_name in wire_check_target and wire_check_target[port_name]:
new_sources = wire_check_target[port_name] # Get the list of sources for the port

# Replace the source of the current wire with the first new source
valid_wires[i]['source'] = new_sources[0]
if 'ob' in valid_wires[i]['source']: # If 'ob' exists, set the port name
valid_wires[i]['source']['port'] = port_name

# Check if the target port name has 36 characters

# For remaining sources, create new wires
for new_source in new_sources[1:]:
new_wire = wire.copy() # Copy the current wire
new_wire['source'] = new_source # Set the new source for the copied wire
if 'ob' in new_wire['source']: # If 'ob' exists, set the port name
new_wire['source']['port'] = port_name
new_wires.append(new_wire) # Add the new wire to new_wires

# Check if the target port is exactly 36 characters (for specific port length)
if len(wire['target'].get('port', '')) == 36:
port_name = wire['target']['port']
# Update target with wire_check_source details if present
if port_name in wire_check_source:
valid_wires[i]['target'] = wire_check_source[port_name]
# Update port name if 'absent' flag is present
if 'ob' in valid_wires[i]['target']:
port_name = wire['target']['port'] # Get the port name of the target

# If the port name exists in wire_check_source, process the targets
if port_name in wire_check_source and wire_check_source[port_name]:
new_targets = wire_check_source[port_name] # Get the list of targets for the port

# Replace the target of the current wire with the first new target
valid_wires[i]['target'] = new_targets[0]
if 'ob' in valid_wires[i]['target']: # If 'ob' exists, set the port name
valid_wires[i]['target']['port'] = port_name

# For remaining targets, create new wires
for new_target in new_targets[1:]:
new_wire = wire.copy() # Copy the current wire
new_wire['target'] = new_target # Set the new target for the copied wire
if 'ob' in new_wire['target']: # If 'ob' exists, set the port name
new_wire['target']['port'] = port_name
new_wires.append(new_wire) # Add the new wire to new_wires

i += 1 # Move to the next wire in the valid_wires list

# Append newly created wires to the valid_wires list
valid_wires.extend(new_wires)

# Remove duplicate wires by checking for uniqueness
unique_wires = [] # List to store unique wires
seen_wires = set() # Set to track already seen wires

# Iterate over valid_wires to remove duplicates
for wire in valid_wires:
# Convert the wire dictionary to a frozenset for hashability (so it can be added to a set)
wire_tuple = frozenset((key, frozenset(value.items())) if isinstance(value, dict) else (key, value) for key, value in wire.items())

# Only add unique wires to unique_wires
if wire_tuple not in seen_wires:
seen_wires.add(wire_tuple) # Add the wire to the set of seen wires
unique_wires.append(wire) # Append the wire to unique_wires

valid_wires = unique_wires # Assign the unique wires back to valid_wires

# Return the processed list of valid wires
return valid_wires
return valid_wires # Return the processed valid_wires

# Process the wires to handle 'absent' blocks

# Call the process_wires function to process the wires
processed_wires = process_wires(valid_wires)

# Create a final data dictionary with blocks, parameters, frequencies, and wires
# Package processed data into a JSON file for saving or further use
data = {
'blocks': blocks,
'parameters': parameters,
'synchronize_frequency': synhronize_frequency,
'wires': processed_wires
'blocks': blocks, # Block-related data
'parameters': parameters, # Parameter-related data
'synchronize_frequency': synhronize_frequency, # Synchronization frequency information
'wires': processed_wires # The processed wire data
}
# Add the data dictionary as a JSON file in the zipfile
zipfile.append('data.json', json.dumps(data))

# Return the updated zipfile and optional files dictionary
# Add data to a zipfile (the zipfile object must be defined elsewhere in the code)
zipfile.append('data.json', json.dumps(data)) # Append the JSON data to the zipfile


return zipfile, optional_files


def synthesize_executioner(zipfile: InMemoryZip, optional_files: Dict[str, bool]) -> InMemoryZip:
'''Synthesize python code necessary to run the blocks.
All these files are present in django static directory.
Expand Down
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