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OskarStarkOskarStark
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feature #553 [Platform] Add DeepSeek (llupa)
This PR was merged into the main branch. Discussion ---------- [Platform] Add DeepSeek | Q | A | ------------- | --- | Bug fix? | no | New feature? | yes <!-- please update src/**/CHANGELOG.md files --> | Docs? | yes/no <!-- required for new features --> | Issues | Fix #539 | License | MIT <!-- Replace this notice by a description of your feature/bugfix. This will help reviewers and should be a good start for the documentation. Additionally (see https://symfony.com/releases): - Always add tests and ensure they pass. - For new features, provide some code snippets to help understand usage. - Features and deprecations must be submitted against branch main. - Update/add documentation as required (we can help!) - Changelog entry should follow https://symfony.com/doc/current/contributing/code/conventions.html#writing-a-changelog-entry - Never break backward compatibility (see https://symfony.com/bc). --> Commits ------- 6ac9274 Add DeepSeek API support
2 parents 5f78725 + 6ac9274 commit c4b5c59

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‎examples/.env‎

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@@ -153,3 +153,6 @@ WEAVIATE_API_KEY=symfony
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# For using Scaleway
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SCALEWAY_SECRET_KEY=
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# For using DeepSeek
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DEEPSEEK_API_KEY=

‎examples/deepseek/chat.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Platform\Bridge\DeepSeek\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once dirname(__DIR__).'/bootstrap.php';
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$platform = PlatformFactory::create(env('DEEPSEEK_API_KEY'), http_client());
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$messages = new MessageBag(
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Message::forSystem('You are an in-universe Matrix programme, always make hints at the Matrix.'),
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Message::ofUser('Yesterday I had a Déjà vu. It is a funny feeling, no?'),
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);
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$result = $platform->invoke('deepseek-chat', $messages);
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echo $result->asText().\PHP_EOL;

‎examples/deepseek/reason.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Platform\Bridge\DeepSeek\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once dirname(__DIR__).'/bootstrap.php';
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$platform = PlatformFactory::create(env('DEEPSEEK_API_KEY'), http_client());
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$messages = new MessageBag(
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Message::forSystem('You are an elementary school teacher.'),
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Message::ofUser('Why can I see the moon at night?'),
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);
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$result = $platform->invoke('deepseek-reasoner', $messages);
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echo $result->asText().\PHP_EOL;

‎examples/deepseek/stream.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Platform\Bridge\DeepSeek\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once dirname(__DIR__).'/bootstrap.php';
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$platform = PlatformFactory::create(env('DEEPSEEK_API_KEY'), http_client());
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$messages = new MessageBag(
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Message::forSystem('You are a thoughtful philosopher.'),
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Message::ofUser('What is the purpose of an ant?'),
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);
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$result = $platform->invoke('deepseek-chat', $messages, ['stream' => true]);
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print_stream($result);

‎examples/deepseek/structured-output-clock.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Agent\StructuredOutput\AgentProcessor as StructuredOutputProcessor;
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use Symfony\AI\Agent\Toolbox\AgentProcessor as ToolProcessor;
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use Symfony\AI\Agent\Toolbox\Tool\Clock;
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use Symfony\AI\Agent\Toolbox\Toolbox;
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use Symfony\AI\Platform\Bridge\DeepSeek\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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use Symfony\Component\Clock\Clock as SymfonyClock;
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require_once dirname(__DIR__).'/bootstrap.php';
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$platform = PlatformFactory::create(env('DEEPSEEK_API_KEY'), http_client());
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$clock = new Clock(new SymfonyClock());
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$toolbox = new Toolbox([$clock]);
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$toolProcessor = new ToolProcessor($toolbox);
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$structuredOutputProcessor = new StructuredOutputProcessor();
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$agent = new Agent($platform, 'deepseek-chat', [$toolProcessor, $structuredOutputProcessor], [$toolProcessor, $structuredOutputProcessor]);
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$messages = new MessageBag(
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// for DeepSeek it is *mandatory* to mention JSON anywhere in the prompt when using structured output
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Message::forSystem('Respond in JSON as instructed in the response format.'),
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Message::ofUser('What date and time is it?')
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);
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$result = $agent->call($messages, ['response_format' => [
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'type' => 'json_object',
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'json_object' => [
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'name' => 'clock',
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'strict' => true,
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'schema' => [
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'type' => 'object',
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'properties' => [
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'date' => ['type' => 'string', 'description' => 'The current date in the format YYYY-MM-DD.'],
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'time' => ['type' => 'string', 'description' => 'The current time in the format HH:MM:SS.'],
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],
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'required' => ['date', 'time'],
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'additionalProperties' => false,
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],
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],
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]]);
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dump($result->getContent());

‎examples/deepseek/token-metadata.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Platform\Bridge\DeepSeek\PlatformFactory;
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use Symfony\AI\Platform\Bridge\DeepSeek\TokenOutputProcessor;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once dirname(__DIR__).'/bootstrap.php';
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$platform = PlatformFactory::create(env('DEEPSEEK_API_KEY'), http_client());
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$agent = new Agent($platform, 'deepseek-chat', outputProcessors: [new TokenOutputProcessor()]);
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$messages = new MessageBag(
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Message::forSystem('You are a pirate and you write funny.'),
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Message::ofUser('What is the Symfony framework?'),
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);
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$result = $agent->call($messages);
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print_token_usage($result->getMetadata());

‎examples/deepseek/toolcall-stream.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Agent\Toolbox\AgentProcessor;
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use Symfony\AI\Agent\Toolbox\Tool\Wikipedia;
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use Symfony\AI\Agent\Toolbox\Toolbox;
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use Symfony\AI\Platform\Bridge\DeepSeek\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once dirname(__DIR__).'/bootstrap.php';
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$platform = PlatformFactory::create(env('DEEPSEEK_API_KEY'), http_client());
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$wikipedia = new Wikipedia(http_client());
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$toolbox = new Toolbox([$wikipedia]);
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$processor = new AgentProcessor($toolbox);
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$agent = new Agent($platform, 'deepseek-chat', [$processor], [$processor]);
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$messages = new MessageBag(Message::ofUser(<<<TXT
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First, define unicorn in 30 words.
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Then lookup at Wikipedia what the irish history looks like in 2 sentences.
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Please tell me before you call tools.
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TXT));
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$result = $agent->call($messages, [
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'stream' => true, // enable streaming of response text
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]);
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foreach ($result->getContent() as $word) {
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echo $word;
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}
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echo \PHP_EOL;

‎examples/deepseek/toolcall.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Agent\Toolbox\AgentProcessor;
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use Symfony\AI\Agent\Toolbox\Tool\Clock;
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use Symfony\AI\Agent\Toolbox\Toolbox;
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use Symfony\AI\Platform\Bridge\DeepSeek\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once dirname(__DIR__).'/bootstrap.php';
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$platform = PlatformFactory::create(env('DEEPSEEK_API_KEY'), http_client());
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$clock = new Clock();
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$toolbox = new Toolbox([$clock]);
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$processor = new AgentProcessor($toolbox);
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$agent = new Agent($platform, 'deepseek-chat', [$processor], [$processor]);
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$messages = new MessageBag(Message::ofUser('How many days until next Christmas?'));
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$result = $agent->call($messages);
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echo $result->getContent().\PHP_EOL;

‎src/ai-bundle/config/services.php‎

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use Symfony\AI\Platform\Bridge\Azure\Meta\ModelCatalog as AzureMetaModelCatalog;
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use Symfony\AI\Platform\Bridge\Azure\OpenAi\ModelCatalog as AzureOpenAiModelCatalog;
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use Symfony\AI\Platform\Bridge\Cerebras\ModelCatalog as CerebrasModelCatalog;
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use Symfony\AI\Platform\Bridge\DeepSeek\ModelCatalog as DeepSeekModelCatalog;
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use Symfony\AI\Platform\Bridge\DockerModelRunner\ModelCatalog as DockerModelRunnerModelCatalog;
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use Symfony\AI\Platform\Bridge\ElevenLabs\ModelCatalog as ElevenLabsModelCatalog;
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use Symfony\AI\Platform\Bridge\Gemini\Contract\GeminiContract;
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->set('ai.platform.model_catalog.azure.meta', AzureMetaModelCatalog::class)
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->set('ai.platform.model_catalog.azure.openai', AzureOpenAiModelCatalog::class)
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->set('ai.platform.model_catalog.cerebras', CerebrasModelCatalog::class)
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->set('ai.platform.model_catalog.deepseek', DeepSeekModelCatalog::class)
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->set('ai.platform.model_catalog.dockermodelrunner', DockerModelRunnerModelCatalog::class)
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->set('ai.platform.model_catalog.elevenlabs', ElevenLabsModelCatalog::class)
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->set('ai.platform.model_catalog.gemini', GeminiModelCatalog::class)

‎src/ai-bundle/src/AiBundle.php‎

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use Symfony\AI\Platform\Bridge\Anthropic\PlatformFactory as AnthropicPlatformFactory;
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use Symfony\AI\Platform\Bridge\Azure\OpenAi\PlatformFactory as AzureOpenAiPlatformFactory;
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use Symfony\AI\Platform\Bridge\Cerebras\PlatformFactory as CerebrasPlatformFactory;
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use Symfony\AI\Platform\Bridge\DeepSeek\PlatformFactory as DeepSeekPlatformFactory;
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use Symfony\AI\Platform\Bridge\DockerModelRunner\PlatformFactory as DockerModelRunnerPlatformFactory;
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use Symfony\AI\Platform\Bridge\ElevenLabs\PlatformFactory as ElevenLabsPlatformFactory;
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use Symfony\AI\Platform\Bridge\Gemini\PlatformFactory as GeminiPlatformFactory;
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return;
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}
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if ('deepseek' === $type) {
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$platformId = 'ai.platform.deepseek';
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$definition = (new Definition(Platform::class))
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->setFactory(DeepSeekPlatformFactory::class.'::create')
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->setLazy(true)
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->addTag('proxy', ['interface' => PlatformInterface::class])
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->setArguments([
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$platform['api_key'],
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new Reference($platform['http_client'], ContainerInterface::NULL_ON_INVALID_REFERENCE),
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new Reference('ai.platform.model_catalog.deepseek'),
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new Reference('ai.platform.contract.default'),
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])
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->addTag('ai.platform', ['name' => 'deepseek']);
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$container->setDefinition($platformId, $definition);
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return;
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}
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if ('voyage' === $type) {
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$platformId = 'ai.platform.voyage';
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$definition = (new Definition(Platform::class))

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