File size: 5,475 Bytes
35205e8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | from __future__ import annotations
import json
from typing import Any, Dict, List
def to_data_url(image_str: str) -> str:
if not isinstance(image_str, str) or not image_str:
return image_str
s = image_str.strip()
if s.startswith("data:image/"):
return s
if s.startswith("http://") or s.startswith("https://"):
return s
b64 = s.replace("\n", "").replace("\r", "")
kind = "image/png"
if b64.startswith("/9j/"):
kind = "image/jpeg"
elif b64.startswith("iVBORw0KGgo"):
kind = "image/png"
elif b64.startswith("R0lGOD"):
kind = "image/gif"
return f"data:{kind};base64,{b64}"
def convert_ollama_messages(
messages: List[Dict[str, Any]] | None, top_images: List[str] | None
) -> List[Dict[str, Any]]:
out: List[Dict[str, Any]] = []
msgs = messages if isinstance(messages, list) else []
pending_call_ids: List[str] = []
call_counter = 0
for m in msgs:
if not isinstance(m, dict):
continue
role = m.get("role") or "user"
nm: Dict[str, Any] = {"role": role}
content = m.get("content")
images = m.get("images") if isinstance(m.get("images"), list) else []
parts: List[Dict[str, Any]] = []
if isinstance(content, list):
for p in content:
if isinstance(p, dict) and p.get("type") == "text" and isinstance(p.get("text"), str):
parts.append({"type": "text", "text": p.get("text")})
elif isinstance(content, str):
parts.append({"type": "text", "text": content})
for img in images:
url = to_data_url(img)
if isinstance(url, str) and url:
parts.append({"type": "image_url", "image_url": {"url": url}})
if parts:
nm["content"] = parts
if role == "assistant" and isinstance(m.get("tool_calls"), list):
tcs = []
for tc in m.get("tool_calls"):
if not isinstance(tc, dict):
continue
fn = tc.get("function") if isinstance(tc.get("function"), dict) else {}
name = fn.get("name") if isinstance(fn.get("name"), str) else None
args = fn.get("arguments")
if name is None:
continue
call_id = tc.get("id") or tc.get("call_id")
if not isinstance(call_id, str) or not call_id:
call_counter += 1
call_id = f"ollama_call_{call_counter}"
pending_call_ids.append(call_id)
tcs.append(
{
"id": call_id,
"type": "function",
"function": {
"name": name,
"arguments": args if isinstance(args, str) else (json.dumps(args) if isinstance(args, dict) else "{}"),
},
}
)
if tcs:
nm["tool_calls"] = tcs
if role == "tool":
tci = m.get("tool_call_id") or m.get("id")
if not isinstance(tci, str) or not tci:
if pending_call_ids:
tci = pending_call_ids.pop(0)
if isinstance(tci, str) and tci:
nm["tool_call_id"] = tci
if not parts and isinstance(content, str):
nm["content"] = content
out.append(nm)
if isinstance(top_images, list) and top_images:
attach_to = None
for i in range(len(out) - 1, -1, -1):
if out[i].get("role") == "user":
attach_to = out[i]
break
if attach_to is None:
attach_to = {"role": "user", "content": []}
out.append(attach_to)
attach_to.setdefault("content", [])
for img in top_images:
url = to_data_url(img)
if isinstance(url, str) and url:
attach_to["content"].append({"type": "image_url", "image_url": {"url": url}})
return out
def normalize_ollama_tools(tools: List[Dict[str, Any]] | None) -> List[Dict[str, Any]]:
out: List[Dict[str, Any]] = []
if not isinstance(tools, list):
return out
for t in tools:
if not isinstance(t, dict):
continue
if isinstance(t.get("function"), dict):
fn = t.get("function")
name = fn.get("name") if isinstance(fn.get("name"), str) else None
if not name:
continue
out.append(
{
"type": "function",
"function": {
"name": name,
"description": fn.get("description") or "",
"parameters": fn.get("parameters") if isinstance(fn.get("parameters"), dict) else {"type": "object", "properties": {}},
},
}
)
continue
name = t.get("name") if isinstance(t.get("name"), str) else None
if name:
out.append(
{
"type": "function",
"function": {
"name": name,
"description": t.get("description") or "",
"parameters": {"type": "object", "properties": {}},
},
}
)
return out
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