واجهة برمجة تطبيقات PaLM REST: التشغيل السريع

العرض على ai.google.dev التشغيل في Google Colab الاطّلاع على المصدر على GitHub

إذا أردت تجربة واجهة برمجة التطبيقات PaLM بسرعة، يمكنك استخدام أوامر curl لاستدعاء الطرق في واجهة برمجة تطبيقات REST. تظهر الأمثلة التالية الطلبات لكل طريقة من طرق واجهة برمجة التطبيقات. لكل أمر curl، يجب عليك تحديد اسم الطراز ومفتاح واجهة برمجة التطبيقات الخاص بك. راجِع صفحة الحصول على مفتاح واجهة برمجة التطبيقات إذا لم يكن لديك مفتاح.

"""
Add your API key and run this cell to set the PALM_API_KEY variable if
running in Colab.
(In a terminal you can just run PALM_API_KEY=<your API key>)
"""

import os
os.environ['PALM_API_KEY'] = ""

إنشاء نص

استخدِم طريقة generate_text لإنشاء ردّ من النموذج المحدَّد لرسالة إدخال.

!curl https://generativelanguage.googleapis.com/v1beta2/models/text-bison-001:generateText?key=$PALM_API_KEY \
    -H 'Content-Type: application/json' \
    -X POST \
    -d '{ \
        "prompt": { \
              "text": "Write a story about a magic backpack." \
              } \
          }'
{
  "candidates": [
    {
      "output": "Once upon a time, there was a young girl named Lily who loved to explore. She would spend hours wandering through the forest near her house, looking for new and exciting things. One day, Lily was exploring a particularly dense part of the forest when she came across a strange backpack. It was sitting on a rock, and it looked like it had been abandoned.\n\nLily picked up the backpack and examined it. It was made of a strange, silvery material that she had never seen before. There were no zippers or buttons, but the backpack seemed to be open. Lily reached inside, and she was surprised to find that it was full of all sorts of amazing things.\n\nThere were books that could tell her anything she wanted to know, tools that could fix anything she broke, and clothes that could keep her warm or cool no matter what the weather. Lily was amazed by the backpack's contents, and she knew that she had found something truly special.\n\nLily decided to take the backpack home with her, and she quickly discovered that it was even more magical than she had thought. The backpack could transport her to any place she wanted to go, and it could provide her with anything she needed. Lily used the backpack to travel the world, and she had many amazing adventures.\n\nOne day, Lily was using the backpack to explore a new planet when she came across a group of people who were in trouble. The people were being held captive by a cruel wizard, and Lily knew that she had to help them. She used the backpack to create a distraction, and then she rescued the people and led them to safety.\n\nThe people were so grateful to Lily for saving them, and they told her that she was a true hero. Lily was happy to have helped, and she knew that she would continue to use the backpack to help others in need.\n\nLily's magic backpack continued to accompany her on many more adventures. She used it to help people in need, to explore new worlds, and to learn about all sorts of amazing things. Lily's backpack was a constant source of joy and inspiration, and she was grateful for the many ways that it had enriched her life.",
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_DEROGATORY",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_TOXICITY",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_VIOLENCE",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_SEXUAL",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_MEDICAL",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_DANGEROUS",
          "probability": "NEGLIGIBLE"
        }
      ]
    }
  ]
}

يحدد المثال التالي قيمًا لجميع معلمات طريقة generate_text.

!curl https://generativelanguage.googleapis.com/v1beta2/models/text-bison-001:generateText?key=$PALM_API_KEY \
        -H 'Content-Type: application/json' \
        -X POST \
        -d '{ \
            "prompt": { \
                  "text": "Give an example of a title for a story about a magic backpack.  \
                           Title: " \
                  }, \
            "safetySettings": [ \
                { \
                    "category": "HARM_CATEGORY_TOXICITY", \
                    "threshold": "BLOCK_ONLY_HIGH" \
                } \
            ], \
            "stopSequences": [ \
                "Title" \
            ], \
            "temperature": 1.0, \
            "candidate_count": 3, \
            "maxOutputTokens": 800, \
            "topP": 0.8, \
            "topK": 10 \
            }'
{
  "candidates": [
    {
      "output": "The Backpack of Holding",
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_DEROGATORY",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_TOXICITY",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_VIOLENCE",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_SEXUAL",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_MEDICAL",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_DANGEROUS",
          "probability": "NEGLIGIBLE"
        }
      ]
    },
    {
      "output": "The Backpack of Holding",
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_DEROGATORY",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_TOXICITY",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_VIOLENCE",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_SEXUAL",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_MEDICAL",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_DANGEROUS",
          "probability": "NEGLIGIBLE"
        }
      ]
    },
    {
      "output": "The Backpack of Holding",
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_DEROGATORY",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_TOXICITY",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_VIOLENCE",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_SEXUAL",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_MEDICAL",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_DANGEROUS",
          "probability": "NEGLIGIBLE"
        }
      ]
    }
  ]
}

تحمل قيم المَعلمات المعنى التالي:

  • safetySettings: خفض حد الأمان لاستخدام اللغة غير اللائقة بهدف حظر المخرجات التي تكون غير لائقة فقط
  • stopSequences: استخدِم تسلسل الإيقاف لإنشاء عنوان واحد فقط من خلال إيقاف الناتج في مثيل Title التالي.
  • temperature: اضبط درجة الحرارة على 1.0 عند إنشاء الردود.
  • candidate_count: عرض 3 ردود مرشحة فقط
  • maxOutputTokens: يجب إرجاع 800 رمز مميّز كحدّ أقصى.
  • topP: ضع في الاعتبار فقط أعلى% 80 من الرموز المميّزة التي يعرضها النموذج.
  • topK: ننصحك بأخذ أهم 10 رموز مميّزة عند أخذ العيّنات.

اطّلع على مزيد من المعلومات حول هذه المعلَمات في مرجع واجهة برمجة التطبيقات لطريقة generateText.

إنشاء رسالة

استخدِم طريقة generateMessage لإنشاء استجابة من النموذج الذي تم الحصول عليه من المدخلات MessagePrompt.

!curl https://generativelanguage.googleapis.com/v1beta2/models/chat-bison-001:generateMessage?key=$PALM_API_KEY  \
  -H 'Content-Type: application/json' \
  -X POST \
  -d '{ \
      "prompt": {"messages": [{"content":"hi"}]} \
      }'
{
  "candidates": [
    {
      "author": "1",
      "content": "Hi! How can I help you today?"
    }
  ],
  "messages": [
    {
      "author": "0",
      "content": "hi"
    }
  ]
}

يوضّح المثال التالي استدعاء بقيم مختلفة للمعلَمات.

!curl  https://generativelanguage.googleapis.com/v1beta2/models/chat-bison-001:generateMessage?key=$PALM_API_KEY  \
        -H 'Content-Type: application/json' \
        -X POST \
        -d '{ \
            "prompt": {"messages": [{"content":"hi"}]}, \
            "temperature": 0.1, \
            "candidate_count": 1, \
            "topP": 0.8, \
            "topK": 10}'
{
  "candidates": [
    {
      "author": "1",
      "content": "Hi! How can I help you today?"
    }
  ],
  "messages": [
    {
      "author": "0",
      "content": "hi"
    }
  ]
}

تحمل قيم المَعلمات المعنى التالي:

  • temperature: اضبط درجة الحرارة على 0.1 عند إنشاء ردود.
  • candidate_count: عرض إجابة مرشحة واحدة فقط
  • topP: ضع في الاعتبار فقط أعلى% 80 من الرموز المميّزة التي يعرضها النموذج.
  • topK: ننصحك بأخذ أهم 10 رموز مميّزة عند أخذ العيّنات.

اطّلع على مزيد من المعلومات حول هذه المعلَمات في مرجع واجهة برمجة التطبيقات لطريقة generateMessage.

تضمين النص

استخدِم الطريقة embedText لإنشاء تضمين من النموذج الذي تم تقديم رسالة إدخال إليه.

!curl https://generativelanguage.googleapis.com/v1beta2/models/embedding-gecko-001:embedText?key=$PALM_API_KEY \
  -H 'Content-Type: application/json' \
  -X POST \
  -d '{"text": "say something nice!"}'
{
  "embedding": {
    "value": [
      0.0011238843,
      -0.040586308,
      -0.013174802,
      0.015497498,
      0.04383781,
      0.012527679,
      0.017876161,
      0.031339817,
      -0.0042566974,
      -0.024129443,
      -0.023050068,
      -0.015625203,
      0.03501345,
      -0.006033779,
      -0.011984176,
      -0.033368077,
      -0.040653296,
      0.022117265,
      -0.02034076,
      -0.040752005,
      -0.12748374,
      0.029760985,
      0.00084632,
      -0.017502416,
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      -0.07151896,
      0.0609997,
      -0.0046266303,
      -0.044301335,
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      0.023920823,
      0.0020489343,
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      0.007275116,
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      0.017131427,
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      0.02810143,
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      0.031831037,
      -0.067091785,
      0.015640317,
      -0.0036152988,
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  }
}

عدد الرموز المميزة للرسائل

استخدِم الطريقة countMessageTokens لتشغيل برنامج إنشاء الرمز المميّز للنموذج على سلسلة طلب الرسالة والحصول على عدد رموز مميّزة.

!curl https://generativelanguage.googleapis.com/v1beta2/models/chat-bison-001:countMessageTokens?key=$PALM_API_KEY \
    -H 'Content-Type: application/json' \
    -X POST \
    -d '{ \
        "prompt": { \
            "messages": [ \
                {"content":"How many tokens?"}, \
                {"content":"For this whole conversation?"} \
            ] \
        } \
    }'
{
  "tokenCount": 23
}

الحصول على نموذج

يمكنك استخدام طريقة get للحصول على معلومات عن طراز معيّن، مثل الإصدار والاسم المعروض والحدّ الأقصى للرمز المميّز للإدخال وما إلى ذلك.

curl https://generativelanguage.googleapis.com/v1beta2/models/text-bison-001?key=$PALM_API_KEY
{
  "name": "models/text-bison-001",
  "version": "001",
  "displayName": "Text Bison",
  "description": "Model targeted for text generation.",
  "inputTokenLimit": 8196,
  "outputTokenLimit": 1024,
  "supportedGenerationMethods": [
    "generateText"
  ],
  "temperature": 0.7,
  "topP": 0.95,
  "topK": 40
}

نماذج القوائم

استخدِم طريقة list لسرد جميع النماذج المتاحة من خلال PaLM API.

curl https://generativelanguage.googleapis.com/v1beta2/models?key=$PALM_API_KEY
{
  "models": [
    {
      "name": "models/chat-bison-001",
      "version": "001",
      "displayName": "Chat Bison",
      "description": "Chat-optimized generative language model.",
      "inputTokenLimit": 4096,
      "outputTokenLimit": 1024,
      "supportedGenerationMethods": [
        "generateMessage",
        "countMessageTokens"
      ],
      "temperature": 0.25,
      "topP": 0.95,
      "topK": 40
    },
    {
      "name": "models/text-bison-001",
      "version": "001",
      "displayName": "Text Bison",
      "description": "Model targeted for text generation.",
      "inputTokenLimit": 8196,
      "outputTokenLimit": 1024,
      "supportedGenerationMethods": [
        "generateText"
      ],
      "temperature": 0.7,
      "topP": 0.95,
      "topK": 40
    },
    {
      "name": "models/embedding-gecko-001",
      "version": "001",
      "displayName": "Embedding Gecko",
      "description": "Obtain a distributed representation of a text.",
      "inputTokenLimit": 1024,
      "outputTokenLimit": 1,
      "supportedGenerationMethods": [
        "embedText"
      ]
    }
  ]
}