116 lines
4.1 KiB
Python
116 lines
4.1 KiB
Python
import time
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import uuid
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class HistoryTree:
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def __init__(self, raw_data):
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self.nodes = raw_data.get("nodes", {})
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self.branches = raw_data.get("branches", {"main": None})
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self.head_id = raw_data.get("head_id", None)
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if "prompt_history" in raw_data and isinstance(raw_data["prompt_history"], list) and not self.nodes:
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self._migrate_legacy(raw_data["prompt_history"])
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def _migrate_legacy(self, old_list):
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parent = None
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for item in reversed(old_list):
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node_id = str(uuid.uuid4())[:8]
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self.nodes[node_id] = {
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"id": node_id, "parent": parent, "timestamp": time.time(),
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"data": item, "note": item.get("note", "Legacy Import")
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}
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parent = node_id
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self.branches["main"] = parent
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self.head_id = parent
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def commit(self, data, note="Snapshot"):
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new_id = str(uuid.uuid4())[:8]
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active_branch = None
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for b_name, tip_id in self.branches.items():
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if tip_id == self.head_id:
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active_branch = b_name
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break
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if not active_branch:
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base_name = "branch"
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count = 1
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while f"{base_name}_{count}" in self.branches: count += 1
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active_branch = f"{base_name}_{count}"
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self.nodes[new_id] = {
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"id": new_id, "parent": self.head_id, "timestamp": time.time(),
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"data": data, "note": note
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}
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self.branches[active_branch] = new_id
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self.head_id = new_id
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return new_id
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def checkout(self, node_id):
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if node_id in self.nodes:
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self.head_id = node_id
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return self.nodes[node_id]["data"]
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return None
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def to_dict(self):
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return {"nodes": self.nodes, "branches": self.branches, "head_id": self.head_id}
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def generate_horizontal_graph(self):
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"""Generates a Compact Graph with HTML Labels and Tooltips."""
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dot = [
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'digraph History {',
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' rankdir=LR;',
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' bgcolor="white";',
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# TIGHT LAYOUT
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' nodesep=0.2;',
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' ranksep=0.3;',
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' splines=ortho;', # Orthogonal lines (right angles) look cleaner/techier
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# BASE NODE STYLE
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' node [shape=plain, fontname="Arial", fontsize=9];', # shape=plain for HTML labels
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' edge [color="#888888", arrowsize=0.6, penwidth=1.0];'
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]
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sorted_nodes = sorted(self.nodes.values(), key=lambda x: x["timestamp"])
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for n in sorted_nodes:
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nid = n["id"]
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full_note = n.get('note', 'Step')
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# Sanitize for HTML (replace quotes)
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safe_note = full_note.replace('"', "'")
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# Truncate visual label
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short_note = (full_note[:12] + '..') if len(full_note) > 12 else full_note
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# Determine Colors
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bg_color = "#f4f4f4"
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border_color = "#cccccc"
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border_width = "1"
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if nid == self.head_id:
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bg_color = "#fff6cd" # Yellow
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border_color = "#eebb00"
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border_width = "2"
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elif nid in self.branches.values():
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bg_color = "#e6ffe6" # Green tip
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border_color = "#99cc99"
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# HTML Label Construction
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# This creates a tight table-like node
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label = (
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f'<<TABLE BORDER="{border_width}" CELLBORDER="0" CELLSPACING="0" CELLPADDING="4" BGCOLOR="{bg_color}" COLOR="{border_color}">'
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f'<TR><TD><B>{short_note}</B></TD></TR>'
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f'<TR><TD><FONT POINT-SIZE="8" COLOR="#666666">{nid[:4]}</FONT></TD></TR>'
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f'</TABLE>>'
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)
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# Add node with Tooltip
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dot.append(f' "{nid}" [label={label}, tooltip="{safe_note}"];')
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if n["parent"] and n["parent"] in self.nodes:
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dot.append(f' "{n["parent"]}" -> "{nid}";')
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dot.append("}")
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return "\n".join(dot)
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