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# Call remote GreatAI instances

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<title>Call remote - GreatAI documentation</title>
<title>Call remote GreatAI instances - GreatAI documentation</title>
@ -69,6 +69,11 @@
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<div data-md-component="skip">
<a href="#call-remote-greatai-instances" class="md-skip">
Skip to content
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</div>
<div data-md-component="announce">
@ -98,7 +103,7 @@
<div class="md-header__topic" data-md-component="header-topic">
<span class="md-ellipsis">
Call remote
Call remote GreatAI instances
</span>
</div>
@ -355,6 +360,90 @@
<li class="md-nav__item">
<a href="../configure-service/" class="md-nav__link">
How to configure GreatAI
</a>
</li>
<li class="md-nav__item">
<a href="../use-service/" class="md-nav__link">
How to use a GreatAI service
</a>
</li>
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<a href="../handle-training-data/" class="md-nav__link">
How to handle training data
</a>
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<a href="../large_file/" class="md-nav__link">
How to use LargeFile
</a>
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None
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@ -396,7 +485,7 @@
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Train a domain classifier on the semantic scholar dataset
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Train a domain classifier on the semantic scholar dataset
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Train a domain classifier on the semantic scholar dataset
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Explanation
@ -483,6 +681,8 @@
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@ -503,16 +703,14 @@
<h1>Call remote</h1>
<h1 id="call-remote-greatai-instances">Call remote GreatAI instances<a class="headerlink" href="#call-remote-greatai-instances" title="Permanent link">#</a></h1>
<hr>
<div class="md-source-file">
<small>
Last update:
<span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">July 10, 2022</span>
<span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">July 11, 2022</span>
</small>

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# How to configure GreatAI
GreatAI aims to provide reasonable defaults wherever possible. The current configuration is always prominently displayed (and updated) on the dashboard and in the command-line startup banner.
## Using [great_ai.configure][]
You can override any of the default settings by calling [great_ai.configure][]. If you don't call `configure`, the default settings are applied on the first call to most `great-ai` functions.
!!! warning
You must call [great_ai.configure][] before calling (or decorating with) any other `great-ai` function. However, importing other functions before calling [great_ai.configure][] is permitted.
```python title="configure-demo.py"
from great_ai import configure, RouteConfig
import logging
configure(
version='1.0.0',
log_level=logging.INFO,
seed=2,
should_log_exception_stack=False,
prediction_cache_size=0, #(1)
disable_se4ml_banner=True,
dashboard_table_size=200,
route_config=RouteConfig( #(2)
feedback_endpoints_enabled=False,
dashboard_enabled=False
)
)
```
1. Completely disable caching.
2. The unspecified routes are enabled by default.
## Using remote storage
The only aspect that cannot be automated is choosing the backing storage for the database and file storage.
Right now, you have 3 options for storing the models and large datasets: [great_ai.large_file.LargeFileLocal][], [great_ai.large_file.LargeFileMongo][], and [great_ai.large_file.LargeFileS3][].
Without explicit configuration, [great_ai.large_file.LargeFileLocal][] is selected by default. This one still version-controls your files but it only stores them in a local path.
!!! important
If your working directory contains a `mongo.ini` or `s3.ini` file, an attempt is made to auto-configure [LargeFileMongo][great_ai.large_file.LargeFileMongo] or [LargeFileS3][great_ai.large_file.LargeFileS3] respectively.
To use [LargeFileMongo][great_ai.large_file.LargeFileMongo] or [LargeFileS3][great_ai.large_file.LargeFileS3] explicitly, configure them before calling any other `great-ai` function.
### S3-compatible
```toml title="s3.ini"
aws_region_name = eu-west-2
aws_access_key_id = MY_AWS_ACCESS_KEY # ENV:MY_AWS_ACCESS_KEY would also work
aws_secret_access_key = MY_AWS_SECRET_KEY
large_files_bucket_name = bucket-for-models
```
```python title="use-s3.py"
from great_ai.large_file import LargeFileS3
from great_ai import save_model
LargeFileS3.configure_credentials_from_file('s3.ini') #(1)
model = [4, 3]
save_model(model, 'my-model')
```
1. This line isn't strictly necceseary because if `s3.ini` (or `mongo.ini`) is available in the current working directory, they are automatically used to configure their respective LargeFile implementations/databases.
??? note "Departing from AWS"
With the `aws_endpoint_url` argument, it is possible to use any other S3-compatible service such as [Backblaze](https://www.backblaze.com/){ target=_blank }. In that case, it would be `aws_endpoint_url=https://s3.us-west-002.backblazeb2.com`.
### GridFS
[GridFS](https://www.mongodb.com/docs/manual/core/gridfs/#:~:text=GridFS%20is%20a%20specification%20for,chunk%20as%20a%20separate%20document.){ target=_blank } specifies how to store files in MongoDB. The official MongoDB server and many compatible implementations support it.
```toml title="mongo.ini"
MONGO_CONNECTION_STRING=mongodb://localhost:27017 # this is the default value
# if `MONGO_CONNECTION_STRING` is specified, this default is overridden
MONGO_CONNECTION_STRING=ENV:MONGO_CONNECTION_STRING
MONGO_DATABASE=my-database # it is automatically created if doesn't exist
```
```python title="use-mongo.py"
from great_ai.large_file import LargeFileMongo
from great_ai import save_model
LargeFileMongo.configure_credentials_from_file('mongo.ini')
model = [4, 3]
save_model(model, 'my-model')
```
!!! note "Simplifying config files"
You can combine `mongo.ini` or `s3.ini` with your application's config file because the unneeded keys are ignored by the `configure_credentials_from_file` method.
## Using a database
By default, a thread-safe version of [TinyDB](https://tinydb.readthedocs.io/en/latest/){ target=_blank } is utilised for saving the prediction traces into a local file. Unfortunately, for most production needs, this method is not suitable.
### MongoDB
At the moment, only MongoDB is supported as a production-ready `TracingDatabase`. In order to use it, you have to either place a file named `mongo.ini` in your working directory, or explicitly call [MongoDbDriver.configure_credentials_from_file][great_ai.MongoDbDriver.configure_credentials_from_file] or [MongoDbDriver.configure_credentials][great_ai.MongoDbDriver.configure_credentials].

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# How to create a GreatAI service
The core value of `great-ai` lies in its [GreatAI][great_ai.deploy.GreatAI] class. In order to take advantage of it, you need to create an instance wrapping your code.
The core value of `great-ai` lies in its [GreatAI][great_ai.GreatAI] class. In order to take advantage of it, you need to create an instance wrapping your code.
Let's say that you have the following greeter function:
@ -9,7 +9,7 @@ def my_greeter_function(your_name):
return f'Hi {your_name}!'
```
You can simply decorate (wrap) this function using the [@GreatAI.create][great_ai.deploy.GreatAI.create] factory.
You can simply decorate (wrap) this function using the [@GreatAI.create][great_ai.GreatAI.create] factory.
```python title="greeter.py"
from great_ai import GreatAI
@ -20,7 +20,7 @@ def greeter(your_name):
```
??? info "Why not simply use `@GreatAI?`"
The purpose of the [@GreatAI.create][great_ai.deploy.GreatAI.create] is simply to provide you with type-checking through MyPy, Pylance, and similar libraries. However, the overloading support for `__new__` is lacking in MyPy, thus, a static factory method is used instead.
The purpose of the [@GreatAI.create][great_ai.GreatAI.create] is simply to provide you with type-checking through MyPy, Pylance, and similar libraries. However, the overloading support for `__new__` is lacking in MyPy, thus, a static factory method is used instead.
## With types
@ -52,9 +52,9 @@ async def async_greeter(your_name: str) -> str:
## With decorators
GreatAI can decorate already decorated functions. The only restriction is that [@GreatAI.create][great_ai.deploy.GreatAI.create] always has to come last. There are two built-in decorators that you can use to customise your function but you can you use any third-party decorator as well.
GreatAI can decorate already decorated functions. The only restriction is that [@GreatAI.create][great_ai.GreatAI.create] always has to come last. There are two built-in decorators that you can use to customise your function but you can you use any third-party decorator as well.
### Using `use_model`
### Using `@use_model`
If you have previously saved a model with [save_model][great_ai.save_model], you can inject it into your function by calling [@use_model][great_ai.use_model].
@ -72,14 +72,14 @@ assert type_safe_greeter('Andras').output == 'Hi Andras'
1. By default, the parameter named `model` will be replaced by the loaded model. This behaviour can be customised by setting the `model_kwarg_name`. This way, even multiple models can be injected into a single function.
!!! important
You must call [@use_model][great_ai.use_model] before [@GreatAI.create][great_ai.deploy.GreatAI.create]. Feel free to use [@use_model][great_ai.use_model] in other places of the codebase, it works equally well outside of GreatAI services.
You must call [@use_model][great_ai.use_model] before [@GreatAI.create][great_ai.GreatAI.create]. Feel free to use [@use_model][great_ai.use_model] in other places of the codebase, it works equally well outside of GreatAI services.
### Using `parameter`
### Using `@parameter`
If you wish to turn of logging or specify custom validation for your parameters, you can use the [@parameter][great_ai.parameter] decorator.
!!! note
By default, all parameters that are not affected by an explicit [@parameter][great_ai.parameter] or [@use_model][great_ai.use_model] are automatically decorated with [@parameter][great_ai.parameter] when [@GreatAI.create][great_ai.deploy.GreatAI.create] is called.
By default, all parameters that are not affected by an explicit [@parameter][great_ai.parameter] or [@use_model][great_ai.use_model] are automatically decorated with [@parameter][great_ai.parameter] when [@GreatAI.create][great_ai.GreatAI.create] is called.
```python title="greeter_with_validation.py"
from great_ai import GreatAI, use_model
@ -93,7 +93,7 @@ assert type_safe_greeter('Andras').output == 'Hi Andras'
```
!!! important
You must call [@parameter][great_ai.parameter] before [@GreatAI.create][great_ai.deploy.GreatAI.create]. Feel free to use [@parameter][great_ai.parameter] in other places of the codebase, it works equally well outside of GreatAI services.
You must call [@parameter][great_ai.parameter] before [@GreatAI.create][great_ai.GreatAI.create]. Feel free to use [@parameter][great_ai.parameter] in other places of the codebase, it works equally well outside of GreatAI services.
## Complex example

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@ -411,14 +411,14 @@
<li class="md-nav__item">
<a href="#using-use_model" class="md-nav__link">
Using use_model
Using @use_model
</a>
</li>
<li class="md-nav__item">
<a href="#using-parameter" class="md-nav__link">
Using parameter
Using @parameter
</a>
</li>
@ -444,6 +444,90 @@
<li class="md-nav__item">
<a href="../configure-service/" class="md-nav__link">
How to configure GreatAI
</a>
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<li class="md-nav__item">
<a href="../use-service/" class="md-nav__link">
How to use a GreatAI service
</a>
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How to handle training data
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How to use LargeFile
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None
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@ -485,7 +569,7 @@
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@ -547,6 +631,115 @@
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Train a domain classifier on the semantic scholar dataset
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Train a domain classifier on the semantic scholar dataset
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@ -605,14 +798,14 @@
<li class="md-nav__item">
<a href="#using-use_model" class="md-nav__link">
Using use_model
Using @use_model
</a>
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<a href="#using-parameter" class="md-nav__link">
Using parameter
Using @parameter
</a>
</li>
@ -688,7 +881,7 @@
</code></pre></div>
<h2 id="with-decorators">With decorators<a class="headerlink" href="#with-decorators" title="Permanent link">#</a></h2>
<p>GreatAI can decorate already decorated functions. The only restriction is that <a class="autorefs autorefs-internal" href="../../reference/#great_ai.deploy.great_ai.GreatAI.create">@GreatAI.create</a> always has to come last. There are two built-in decorators that you can use to customise your function but you can you use any third-party decorator as well.</p>
<h3 id="using-use_model">Using <code>use_model</code><a class="headerlink" href="#using-use_model" title="Permanent link">#</a></h3>
<h3 id="using-use_model">Using <code>@use_model</code><a class="headerlink" href="#using-use_model" title="Permanent link">#</a></h3>
<p>If you have previously saved a model with <a class="autorefs autorefs-internal" href="../../reference/#great_ai.save_model">save_model</a>, you can inject it into your function by calling <a class="autorefs autorefs-internal" href="../../reference/#great_ai.use_model">@use_model</a>.</p>
<div class="highlight"><span class="filename">greeter_with_model.py</span><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="kn">from</span> <span class="nn">great_ai</span> <span class="kn">import</span> <span class="n">GreatAI</span><span class="p">,</span> <span class="n">use_model</span>
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>
@ -706,7 +899,7 @@
<p class="admonition-title">Important</p>
<p>You must call <a class="autorefs autorefs-internal" href="../../reference/#great_ai.use_model">@use_model</a> before <a class="autorefs autorefs-internal" href="../../reference/#great_ai.deploy.great_ai.GreatAI.create">@GreatAI.create</a>. Feel free to use <a class="autorefs autorefs-internal" href="../../reference/#great_ai.use_model">@use_model</a> in other places of the codebase, it works equally well outside of GreatAI services. </p>
</div>
<h3 id="using-parameter">Using <code>parameter</code><a class="headerlink" href="#using-parameter" title="Permanent link">#</a></h3>
<h3 id="using-parameter">Using <code>@parameter</code><a class="headerlink" href="#using-parameter" title="Permanent link">#</a></h3>
<p>If you wish to turn of logging or specify custom validation for your parameters, you can use the <a class="autorefs autorefs-internal" href="../../reference/#great_ai.parameter">@parameter</a> decorator.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
@ -785,13 +978,13 @@
<a href="../../reference/" class="md-footer__link md-footer__link--next" aria-label="Next: Reference" rel="next">
<a href="../configure-service/" class="md-footer__link md-footer__link--next" aria-label="Next: How to configure GreatAI" rel="next">
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Next
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Reference
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@ -0,0 +1,6 @@
# How to handle training data
## Upload data
## Use feedback

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@ -17,7 +17,7 @@
<title>How to use a GreatAI service - GreatAI documentation</title>
<title>How to handle training data - GreatAI documentation</title>
@ -70,7 +70,7 @@
<div data-md-component="skip">
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Skip to content
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@ -103,7 +103,7 @@
<div class="md-header__topic" data-md-component="header-topic">
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@ -324,12 +324,14 @@
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@ -360,6 +362,138 @@
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Use feedback
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@ -401,7 +535,7 @@
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@ -463,6 +597,115 @@
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Train a domain classifier on the semantic scholar dataset
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Train a domain classifier on the semantic scholar dataset
</a>
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<h1 id="how-to-use-a-greatai-service">How to use a GreatAI service<a class="headerlink" href="#how-to-use-a-greatai-service" title="Permanent link">#</a></h1>
<p>After <a href="/how-to-guides/cerate-service">creating a GreatAI service</a> by wrapping your prediction function, it's time to do some prediction.</p>
<p>Let's use the following example:</p>
<p>```python "type_safe_greeter.py"
from great_ai import GreatAI</p>
<p>@GreatAI.create
def type_safe_greeter(your_name: str) -&gt; str:
return f'Hi {your_name}'
```</p>
<h1 id="how-to-handle-training-data">How to handle training data<a class="headerlink" href="#how-to-handle-training-data" title="Permanent link">#</a></h1>
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@ -542,6 +801,42 @@ def type_safe_greeter(your_name: str) -&gt; str:
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# How to use LargeFile
Storing, versioning, and downloading files from S3 made as easy as using `open()` in Python. Caching included.
## Motivation
Oftentimes, especially when working with data-heavy applications, large files can proliferate in a repository. Version controlling them is an obvious next step, however, GitHub's git LFS implementation [doesn't support the deletion](https://docs.github.com/en/repositories/working-with-files/managing-large-files/removing-files-from-git-large-file-storage#git-lfs-objects-in-your-repository) of large files, making it easy for them to eat-up the LFS quota and explode the size of your repos.
## Solution
```
pip install open-large
```
### Simple example
```python
from great_ai.large_file import LargeFileS3
LargeFileS3.configure_credentials({
"aws_region_name": "your_region_like_eu-west-2",
"aws_access_key_id": "YOUR_ACCESS_KEY_ID",
"aws_secret_access_key": "YOUR_VERY_SECRET_ACCESS_KEY",
"large_files_bucket_name": "create_a_bucket_and_put_its_name_here",
})
# Creates a new version and deletes the older version leaving the 3 most recently used intact
with LargeFileS3("test.txt", "w", keep_last_n=3) as f:
for i in range(100000):
f.write('test\n')
# By default the latest version is returned
# but an optional `version` keyword argument can be provided as well
with LargeFileS3("test.txt", "r") as f:
print(f.readlines()[0])
```
> Automatically creates a file, writes to it, uploads it to S3, and then queries the most recent version of it.
> In this case, the latest version is already in the local cache, no download is required.
### More details
`LargeFile` behaves like an opened file (in the background it is a temp file after all). Binary reading and writing is supported along with the [different keywords](https://docs.python.org/3/library/functions.html#open) `open()` accepts.
The local cache can be configured with these properties:
```python
LargeFile.cache_path = Path('.cache')
LargeFile.max_cache_size = "30 GB"
```
#### I only need a path
In case you only need a path to the "remote" file, this pattern can be applied:
```python
path_to_model = LargeFile("folder-of-my-bert-model", version=31).get()
```
> This will first download the file/folder into your local cache folder. Then, it returns a `Path` object to the local version. Which can be turned into a string with `str(path_to_model)`.
The same approach works for uploads:
```python
LargeFile("folder-of-my-bert-model").push('path_to_local/folder_or_file')
```
> This way, both regular files and folders can be handled. The uploaded file is called **folder-of-my-bert-model**, the local name is ignored.
Lastly, all version of the remote object can be deleted by calling `LargeFile("my-file").delete()`. It will still reside in your local cache afterwards, its deletion will happen next time your local cache has to be pruned.
### Command-line example
The package can be used as a module from the command-line to give you more flexibility.
#### Setup
Create an .ini file (or use _~/.aws/credentials_). It may look like this:
```ini
aws_region_name = your_region_like_eu-west-2
aws_access_key_id = YOUR_ACCESS_KEY_ID
aws_secret_access_key = YOUR_VERY_SECRET_ACCESS_KEY
large_files_bucket_name = my_large_files
endpoint_url = this is optional, for backblaze, use this: https://s3.us-west-002.backblazeb2.com
```
> Just like in [example secrets](example_secrets.ini).
#### Print the expected options
```sh
python3 -m large_file --help
```
#### Upload some files
```sh
python3 -m large_file --backend s3 --secrets secrets.ini --push my_first_file.json folder/my_second_file my_folder
```
> Only the filename is used as the S3 name, the rest of the path is ignored.
#### Download some files to the local cache
This can be useful when building a Docker image for example. This way, the files can already reside inside the container and need not be downloaded later.
```sh
python3 -m large_file --backend s3 -secrets ~/.aws/credentials --cache my_first_file.json:3 my_second_file my_folder:0
```
> Versions may be specified by using `:`-s.
#### Delete remote files
```sh
python3 -m large_file --backend s3 --secrets ~/.aws/credentials --delete my_first_file.json
```

View file

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@ -1585,6 +1788,113 @@ async with httpx.AsyncClient(
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<div class="highlight-ipynb hl-python"><pre><span></span><span class="kn">from</span> <span class="nn">great_ai</span> <span class="kn">import</span> <span class="n">configure</span><span class="p">,</span> <span class="n">RouteConfig</span>
<span class="kn">from</span> <span class="nn">great_ai</span> <span class="kn">import</span> <span class="n">GreatAI</span>
<span class="nd">@GreatAI</span><span class="o">.</span><span class="n">create</span>
<span class="k">def</span> <span class="nf">greeter</span><span class="p">(</span><span class="n">your_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
<span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;Hi </span><span class="si">{</span><span class="n">your_name</span><span class="si">}</span><span class="s2">&quot;</span>
<span class="n">greeter</span><span class="p">(</span><span class="s2">&quot;Bob&quot;</span><span class="p">)</span>
</pre></div>
<div id="cell-2" class="clipboard-copy-txt">from great_ai import configure, RouteConfig
from great_ai import GreatAI
@GreatAI.create
def greeter(your_name: str) -> str:
return f"Hi {your_name}"
greeter("Bob")</div>
</div>
</div>
</div>
</div>
<div class="jp-Cell-outputWrapper">
<div class="jp-Collapser jp-OutputCollapser jp-Cell-outputCollapser">
</div>
<div class="jp-OutputArea jp-Cell-outputArea">
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<div class="jp-RenderedText jp-OutputArea-output" data-mime-type="application/vnd.jupyter.stderr">
<pre><span style="color: rgb(255,255,0)">2022-07-11 19:00:27 | WARNING | Environment variable ENVIRONMENT is not set, defaulting to development mode ‼️</span>
<span style="color: rgb(255,255,0)">2022-07-11 19:00:27 | WARNING | Cannot find credentials files, defaulting to using ParallelTinyDbDriver</span>
<span style="color: rgb(255,255,0)">2022-07-11 19:00:27 | WARNING | The selected tracing database (ParallelTinyDbDriver) is not recommended for production</span>
<span style="color: rgb(255,255,0)">2022-07-11 19:00:27 | WARNING | Cannot find credentials files, defaulting to using LargeFileLocal</span>
<span style="color: rgb(0,175,255)">2022-07-11 19:00:27 | INFO | GreatAI (v0.1.3): configured ✅</span>
<span style="color: rgb(0,175,255)">2022-07-11 19:00:27 | INFO | 🔩 tracing_database: ParallelTinyDbDriver</span>
<span style="color: rgb(0,175,255)">2022-07-11 19:00:27 | INFO | 🔩 large_file_implementation: LargeFileLocal</span>
<span style="color: rgb(0,175,255)">2022-07-11 19:00:27 | INFO | 🔩 is_production: False</span>
<span style="color: rgb(0,175,255)">2022-07-11 19:00:27 | INFO | 🔩 should_log_exception_stack: True</span>
<span style="color: rgb(0,175,255)">2022-07-11 19:00:27 | INFO | 🔩 prediction_cache_size: 512</span>
<span style="color: rgb(0,175,255)">2022-07-11 19:00:27 | INFO | 🔩 dashboard_table_size: 50</span>
<span style="color: rgb(255,255,0)">2022-07-11 19:00:27 | WARNING | You still need to check whether you follow all best practices before trusting your deployment.</span>
<span style="color: rgb(255,255,0)">2022-07-11 19:00:27 | WARNING | &gt; Find out more at https://se-ml.github.io/practices</span>
</pre>
</div>
</div>
<div class="jp-OutputArea-child">
<div class="jp-OutputPrompt jp-OutputArea-prompt">Out[1]:</div>
<div class="jp-RenderedText jp-OutputArea-output jp-OutputArea-executeResult" data-mime-type="text/plain">
<pre>Trace[str]({&#39;created&#39;: &#39;2022-07-11T17:00:27.064568&#39;,
&#39;exception&#39;: None,
&#39;feedback&#39;: None,
&#39;logged_values&#39;: {&#39;arg:your_name:length&#39;: 3, &#39;arg:your_name:value&#39;: &#39;Bob&#39;},
&#39;models&#39;: [],
&#39;original_execution_time_ms&#39;: 0.0896,
&#39;output&#39;: &#39;Hi Bob&#39;,
&#39;tags&#39;: [&#39;greeter&#39;, &#39;online&#39;, &#39;development&#39;],
&#39;trace_id&#39;: &#39;8ff5b268-2613-4e85-96ae-f248666a051f&#39;})</pre>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
@ -1596,7 +1906,7 @@ async with httpx.AsyncClient(
<small>
Last update:
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<span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">July 11, 2022</span>
</small>
@ -1613,6 +1923,42 @@ async with httpx.AsyncClient(
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@ -16,13 +16,88 @@
") as client:\n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"\u001b[38;5;226m2022-07-11 19:00:27 | WARNING | Environment variable ENVIRONMENT is not set, defaulting to development mode ‼️\u001b[0m\n",
"\u001b[38;5;226m2022-07-11 19:00:27 | WARNING | Cannot find credentials files, defaulting to using ParallelTinyDbDriver\u001b[0m\n",
"\u001b[38;5;226m2022-07-11 19:00:27 | WARNING | The selected tracing database (ParallelTinyDbDriver) is not recommended for production\u001b[0m\n",
"\u001b[38;5;226m2022-07-11 19:00:27 | WARNING | Cannot find credentials files, defaulting to using LargeFileLocal\u001b[0m\n",
"\u001b[38;5;39m2022-07-11 19:00:27 | INFO | GreatAI (v0.1.3): configured ✅\u001b[0m\n",
"\u001b[38;5;39m2022-07-11 19:00:27 | INFO | 🔩 tracing_database: ParallelTinyDbDriver\u001b[0m\n",
"\u001b[38;5;39m2022-07-11 19:00:27 | INFO | 🔩 large_file_implementation: LargeFileLocal\u001b[0m\n",
"\u001b[38;5;39m2022-07-11 19:00:27 | INFO | 🔩 is_production: False\u001b[0m\n",
"\u001b[38;5;39m2022-07-11 19:00:27 | INFO | 🔩 should_log_exception_stack: True\u001b[0m\n",
"\u001b[38;5;39m2022-07-11 19:00:27 | INFO | 🔩 prediction_cache_size: 512\u001b[0m\n",
"\u001b[38;5;39m2022-07-11 19:00:27 | INFO | 🔩 dashboard_table_size: 50\u001b[0m\n",
"\u001b[38;5;226m2022-07-11 19:00:27 | WARNING | You still need to check whether you follow all best practices before trusting your deployment.\u001b[0m\n",
"\u001b[38;5;226m2022-07-11 19:00:27 | WARNING | > Find out more at https://se-ml.github.io/practices\u001b[0m\n"
]
},
{
"data": {
"text/plain": [
"Trace[str]({'created': '2022-07-11T17:00:27.064568',\n",
" 'exception': None,\n",
" 'feedback': None,\n",
" 'logged_values': {'arg:your_name:length': 3, 'arg:your_name:value': 'Bob'},\n",
" 'models': [],\n",
" 'original_execution_time_ms': 0.0896,\n",
" 'output': 'Hi Bob',\n",
" 'tags': ['greeter', 'online', 'development'],\n",
" 'trace_id': '8ff5b268-2613-4e85-96ae-f248666a051f'})"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from great_ai import configure, RouteConfig\n",
"from great_ai import GreatAI\n",
"\n",
"\n",
"@GreatAI.create\n",
"def greeter(your_name: str) -> str:\n",
" return f\"Hi {your_name}\"\n",
"\n",
"\n",
"greeter(\"Bob\")"
]
}
],
"metadata": {
"language_info": {
"name": "python"
"kernelspec": {
"display_name": "Python 3.10.4 ('.env': venv)",
"language": "python",
"name": "python3"
},
"orig_nbformat": 4
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
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# How to use a GreatAI service
After [creating a GreatAI service](/how-to-guides/create-service) by wrapping your prediction function, and optionally [configuring it](/how-to-guides/configure-service), it's time to do some prediction.
Let's take the following example:
```python title="greeter.py"
from great_ai import GreatAI
@GreatAI.create
def greeter(your_name: str) -> str:
return f'Hi {your_name}'
```
## One-off prediction
Even though `greeter` is now an instance of [GreatAI][great_ai.GreatAI], you can continue using it as a regular function.
```python
>>> greeter('Bob')
Trace[str]({'created': '2022-07-11T14:31:46.183764',
'exception': None,
'feedback': None,
'logged_values': {'arg:your_name:length': 3, 'arg:your_name:value': 'Bob'},
'models': [],
'original_execution_time_ms': 0.0381,
'output': 'Hi Bob',
'tags': ['greeter', 'online', 'development'],
'trace_id': '7c284fd7-7f0d-4464-b5f8-3ef126df34af'})
```
As you can see, the original return value is wrapped in a [Trace][great_ai.Trace] object (which is also persisted in your database of choice). You can access the original value under the `output` property.
## Online prediction
Likely, the main way you would like to expose your model is through an HTTP API. [@GreatAI.create][great_ai.GreatAI.create] scaffolds many REST API endpoints for your model and creates a [FastAPI](https://fastapi.tiangolo.com/){ target=_blank } app available under [GreatAI.app][great_ai.GreatAI]. This can be served using [uvicorn](https://www.uvicorn.org/){ target=_blank } or any other [ASGI server](https://asgi.readthedocs.io/en/latest/){ target=_blank }.
Since most ML code lives in [Jupyter](https://jupyter.org/){ target=_blank } notebooks, therefore, deploying a notebook containing the inference function is supported. To this end, `uvicorn` is wrapped by the `great-ai` command-line utility which, among others, takes care of feeding a notebook into `uvicorn`. It also supports auto-reloading.
### In development
```sh
great-ai greeter.py
```
!!! success
Your model is accessible at [localhost:6060](http:/127.0.0.1:6060){ target=_blank }.
Some configuration options are also supported.
```sh
great-ai greeter.py --port 8000 --host 127.0.0.1 --timeout_keep_alive 10
```
> For more options (but no Notebook support, use [uvicorn](https://www.uvicorn.org/){ target=_blank })
### In production
There are three main approaches for deploying a GreatAI service.
#### Manual deployment
The app is run in *production-mode* if the value of the `ENVIRONMENT` environment variable is set to `production`.
```sh
ENVIRONMENT=production great-ai greeter.py
```
Simply run `ENVIRONMENT=production great-ai deploy.ipynb` in the command-line of a production machine.
> This is the crudest approach, however, it might be fitting for some contexts.
#### Containerised deployment
Run the notebook directly in a container or create a service for it using your favourite container orchestrator.
```sh
docker run -p 6060:6060 --volume `pwd`:/app --rm \
schmelczera/great-ai deploy.ipynb
```
> You can replace ``pwd`` with the path to your code's folder.
#### Use a Platform-as-a-Service
Similarly to the previous approach, your code will run in a container. However, instead of manually managing it, you can just choose from a plethora of PaaS providers (such as [DO App platform](https://www.digitalocean.com/products/app-platform){ target=_blank } or [MLEM](https://mlem.ai/){ target=_blank }) that take a Docker image as a source and handle the rest of the deployment.
To this end, you can also create a custom Docker image. It is especially useful if you have third-party dependencies, such as [PyTorch](https://pytorch.org/){ target=_blank } or [TensorFlow](https://www.tensorflow.org/){ target=_blank }.
```Dockerfile
FROM schmelczera/great-ai:latest
# Remove this block if you don't have a requirements.txt
COPY requirements.txt ./
RUN pip install --no-cache-dir --requirement requirements.txt
# If you store your models in S3 or GridFS, it may be a
# good idea to cache them in the image so that you don't
# have to download it each time a container starts
RUN large-file --backend s3 --secrets s3.ini --cache my-domain-predictor
# Add you application code to the image
COPY . .
# The default ENTRYPOINT is great-ai, specify it's argument using CMD
CMD ["deploy.ipynb"]
```
## Batch prediction
Processing larger amounts of data on a single machine is made easy by the [GreatAI][great_ai.GreatAI]'s [process_batch][great_ai.GreatAI.process_batch] method. This relies on multiprocessing ([parallel_map][great_ai.utilities.parallel_map.parallel_map.parallel_map]) to take full advantage of all available CPU-cores.
```python
>>> greeter.process_batch(['Alice', 'Bob'])
[Trace[str]({'created': '2022-07-11T14:36:37.119183',
'exception': None,
'feedback': None,
'logged_values': {'arg:your_name:length': 5, 'arg:your_name:value': 'Alice'},
'models': [],
'original_execution_time_ms': 0.1251,
'output': 'Hi Alice',
'tags': ['greeter', 'online', 'development'],
'trace_id': '90ffa15f-e839-41c4-8e7a-3211168bc138'}),
Trace[str]({'created': '2022-07-11T14:36:37.166659',
'exception': None,
'feedback': None,
'logged_values': {'arg:your_name:length': 3, 'arg:your_name:value': 'Bob'},
'models': [],
'original_execution_time_ms': 0.0571,
'output': 'Hi Bob',
'tags': ['greeter', 'online', 'development'],
'trace_id': 'f48e94c7-0815-48b3-a864-41349d3dae84'})]
```

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# How to use a GreatAI service
After [creating a GreatAI service](/how-to-guides/cerate-service) by wrapping your prediction function, it's time to do some prediction.
Let's use the following example:
```python "type_safe_greeter.py"
from great_ai import GreatAI
@GreatAI.create
def type_safe_greeter(your_name: str) -> str:
return f'Hi {your_name}'
```