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Improve documentation

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Converted some comments to docstrings as per review
This commit is contained in:
Jacob Segal 2024-08-01 20:05:14 -07:00
parent 64e3a43527
commit bb5de4dfd4
1 changed files with 17 additions and 13 deletions
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30
comfy/graph.py
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@ -136,9 +136,11 @@ class TopologicalSort:
def is_empty(self):
return len(self.pendingNodes) == 0
# ExecutionList implements a topological dissolve of the graph. After a node is staged for execution,
# it can still be returned to the graph after having further dependencies added.
class ExecutionList(TopologicalSort):
"""
ExecutionList implements a topological dissolve of the graph. After a node is staged for execution,
it can still be returned to the graph after having further dependencies added.
"""
def __init__(self, dynprompt, output_cache):
super().__init__(dynprompt)
self.output_cache = output_cache
@ -216,18 +218,20 @@ class ExecutionList(TopologicalSort):
to_remove = [node_id for node_id in blocked_by if len(blocked_by[node_id]) == 0]
return list(blocked_by.keys())
# Return this from a node and any users will be blocked with the given error message.
# If the message is None, execution will be blocked silently instead.
# Generally, you should avoid using this functionality unless absolutley necessary. Whenever it's
# possible, a lazy input will be more efficient and have a better user experience.
# This functionality is useful in two cases:
# 1. You want to conditionally prevent an output node from executing. (Particularly a built-in node
# like SaveImage. For your own output nodes, I would recommend just adding a BOOL input and using
# lazy evaluation to let it conditionally disable itself.)
# 2. You have a node with multiple possible outputs, some of which are invalid and should not be used.
# (I would recommend not making nodes like this in the future -- instead, make multiple nodes with
# different outputs. Unfortunately, there are several popular existing nodes using this pattern.)
class ExecutionBlocker:
"""
Return this from a node and any users will be blocked with the given error message.
If the message is None, execution will be blocked silently instead.
Generally, you should avoid using this functionality unless absolutely necessary. Whenever it's
possible, a lazy input will be more efficient and have a better user experience.
This functionality is useful in two cases:
1. You want to conditionally prevent an output node from executing. (Particularly a built-in node
like SaveImage. For your own output nodes, I would recommend just adding a BOOL input and using
lazy evaluation to let it conditionally disable itself.)
2. You have a node with multiple possible outputs, some of which are invalid and should not be used.
(I would recommend not making nodes like this in the future -- instead, make multiple nodes with
different outputs. Unfortunately, there are several popular existing nodes using this pattern.)
"""
def __init__(self, message):
self.message = message