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small gleam coding and persistent agent daemon with a detachable cli and a canvas ui forked from okami.mom/albedo
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227"""Python agent API: spawn, family identity, refusals, progress, explicit mail,agents.get, reading messages across sessions, and listing and searching them."""
import reimport timeimport unittest
from harness import Albedo, Provider, python, text
LEAD = """models = await agents.models()assert 'beta/fixture-beta' in models, modelskid = await agents.self.spawn('count to three', name='scout', model=models[0])try: await agents.self.spawn('again', name='scout2', model='')except TypeError as error: print('EMPTY_MODEL', error)print('SPAWNED', kid.name, kid.depth, kid.parent.name, 'KID=' + kid.id)"""CHILD = """me = agents.selfprint('ME', me.name, me.depth, me.parent.name)print('PROGRESS', await agents.progress('counting'))print('Café Ünïcode')try: await me.parent.cancel()except AgentsError as error: print('REFUSED', error)page = await me.parent.messages()print('PARENT_READ', 'spawn a scout' in page.content)up = await agents.get('parent')print('GOT', up.id == me.parent.id, up.depth, up.parent, up.closed)try: await me.parent.delete()except AgentsError as error: print('ASK', error)receipt = await mail.submit('parent', 'three')print('SENT', receipt.status, receipt.name)"""
READ = """kid = (await agents.self.children())[0]page = await kid.messages()print('TASK_SEEN', 'count to three' in page.content)hits = await kid.search_messages('COUNT TO THREE')seq = hits.rows[0]['seq']row = await kid.messages(seq=seq, limit=200)print('FOUND', hits.count, row.content.startswith(f'[row #{seq}]'), 'count to three' in row.content)"""
PEEK = """async def paged_sessions(query='', cwd=None): found = [] while True: page = await agents.sessions(query, cwd=cwd, offset=len(found)) if not page: return found found.extend(page)
kid = await agents.get({kid!r})print('PEEK', kid.name, kid.depth, kid.closed)page = await kid.messages()print('PEEK_READ', 'count to three' in page.content)try: await kid.cancel()except AgentsError as error: print('PEEK_REFUSED', error)listed = await paged_sessions()print('LISTED', {kid!r} in [s.id for s in listed], agents.self.id in [s.id for s in listed])child_session = next(s for s in listed if s.id == {kid!r})scouts = await paged_sessions('SCOUT', cwd=child_session.cwd)scout = next(s for s in scouts if s.id == {kid!r})print('BY_NAME', scout.name, scout.depth, scout.model, scout.cwd == child_session.cwd)print('ELSEWHERE', await paged_sessions(cwd='/nowhere'))talked = await paged_sessions('COUNT TO THREE')said = next(s for s in talked if s.id == {kid!r})hit = said.matches[0]row = await said.messages(seq=hit['seq'], limit=200)print('SEARCHED', agents.self.id in [s.id for s in talked], 'count to three' in hit['preview'], 'count to three' in row.content)print('UNQUERIED', listed[0].matches)print('UNICODE', {kid!r} in [s.id for s in await paged_sessions('CAFÉ ÜNÏCODE')])print('NOTHING', await paged_sessions('never ' + 'said anywhere'))try: await agents.get('nobody')except AgentsError as error: print('PEEK_MISSING', error)"""
def user_text(request): return next( ( item.get("content", "") for item in reversed(request["messages"]) if item.get("role") == "user" ), "", )
def wait_for(predicate): deadline = time.monotonic() + 60 while time.monotonic() < deadline: result = predicate() if result: return result time.sleep(0.1) raise AssertionError("agent Python turn never arrived")
class AgentsPythonTests(unittest.TestCase): def test_python_spawn_identity_refusals_and_explicit_answer(self): def script(request): last = request["messages"][-1] user = user_text(request) peek = re.search(r"peek ([0-9a-f]+)", user) if last.get("role") == "user" and peek: return python(PEEK.format(kid=peek.group(1))) if last.get("role") == "user" and user == "spawn a scout": return python(LEAD) if last.get("role") == "user" and 'kind="task"' in user: return python(CHILD) if last.get("role") == "user" and 'kind="message"' in user: return python(READ) return text("ok")
provider = Provider(script) providers = { name: { "baseUrl": provider.url + f"/{name}/v1", "apiKey": "key", "model": f"fixture-{name}", "protocol": "chat_completions", } for name in ("alpha", "beta") } try: with Albedo(provider, providers=providers) as app: lead = app.session() app.prompt(lead, "spawn a scout").close()
def observed(): records = [] for item in provider.requests: messages = item["request"]["messages"] last = messages[-1] records.append( { "user": user_text(item["request"]), "context": " ".join( str(m.get("content", "")) for m in messages ), "tool": str(last.get("content", "")) if last.get("role") == "tool" else "", } ) return records
spawned = wait_for( lambda: next( (r["tool"] for r in observed() if "SPAWNED" in r["tool"]), None ) ) self.assertIn("SPAWNED scout 1", spawned) self.assertIn("EMPTY_MODEL", spawned) child = wait_for( lambda: next( (r["tool"] for r in observed() if "SENT" in r["tool"]), None ) ) self.assertIn("ME scout 1", child) self.assertIn("PROGRESS True", child) self.assertIn("REFUSED", child) self.assertIn("own children", child) self.assertIn("PARENT_READ True", child) self.assertIn("GOT True 0 None False", child) self.assertIn("ASK", child) self.assertIn("only the user deletes", child) self.assertTrue( "SENT delivered spawn a scout" in child or "SENT queued spawn a scout" in child ) task = next(r for r in observed() if 'kind="task"' in r["user"]) self.assertIn('You are child agent "scout"', task["context"]) wait_for( lambda: any( 'kind="message"' in r["user"] and "three" in r["user"] for r in observed() ) ) read = wait_for( lambda: next( (r["tool"] for r in observed() if "FOUND" in r["tool"]), None ) ) self.assertIn("TASK_SEEN True", read) self.assertRegex(read, r"FOUND [1-9]\d* True True") match = re.search(r"KID=([0-9a-f]+)", spawned) assert match is not None kid = match.group(1) outsider = app.session() app.prompt(outsider, f"peek {kid}").close() app.idle(outsider, timeout=60) delivered = [record["tool"] for record in observed() if record["tool"]] peeked = next( (record for record in delivered if "PEEK_MISSING" in record), None ) assert peeked is not None, ( "PEEK turn finished without its final marker; delivered tools: " + repr(delivered) ) self.assertIn("PEEK scout 1 False", peeked) self.assertIn("PEEK_READ True", peeked) self.assertIn("PEEK_REFUSED you can only cancel or close", peeked) self.assertIn("no agent named 'nobody'", peeked) self.assertIn("LISTED True True", peeked) self.assertIn("BY_NAME scout 1 fixture-alpha True", peeked) self.assertIn("ELSEWHERE []", peeked) self.assertIn("SEARCHED False True True", peeked) self.assertIn("UNQUERIED []", peeked) self.assertIn("UNICODE True", peeked) self.assertIn("NOTHING []", peeked) app.idle(lead) time.sleep(1) self.assertFalse( any('kind="unreviewed"' in r["user"] for r in observed()) ) finally: provider.close()