forked from Archives/langchain
searx: add install instructions details, update doc and notebooks
This commit is contained in:
blob42
parent
882f7964fb
commit
2b776bec55
@ -5,21 +5,44 @@ It is broken into two parts: installation and setup, and then references to the
|
||||
|
||||
## Installation and Setup
|
||||
|
||||
- You can find a list of public SearxNG instances [here](https://searx.space/).
|
||||
- It recommended to use a self-hosted instance to avoid abuse on the public instances. Also note that public instances often have a limit on the number of requests.
|
||||
- To run a self-hosted instance see [this page](https://searxng.github.io/searxng/admin/installation.html) for more information.
|
||||
- To use the tool you need to provide the searx host url by:
|
||||
1. passing the named parameter `searx_host` when creating the instance.
|
||||
2. exporting the environment variable `SEARXNG_HOST`.
|
||||
While it is possible to utilize the wrapper in conjunction with [public searx
|
||||
instances](https://searx.space/) these instances frequently do not permit API
|
||||
access (see note on output format below) and have limitations on the frequency
|
||||
of requests. It is recommended to opt for a self-hosted instance instead.
|
||||
|
||||
### Self Hosted Instance:
|
||||
|
||||
See [this page](https://searxng.github.io/searxng/admin/installation.html) for installation instructions.
|
||||
|
||||
When you install SearxNG, the only active output format by default is the HTML format.
|
||||
You need to activate the `json` format to use the API. This can be done by adding the following line to the `settings.yml` file:
|
||||
```yaml
|
||||
search:
|
||||
formats:
|
||||
- html
|
||||
- json
|
||||
```
|
||||
You can make sure that the API is working by issuing a curl request to the API endpoint:
|
||||
|
||||
`curl -kLX GET --data-urlencode q='langchain' -d format=json http://localhost:8888`
|
||||
|
||||
This should return a JSON object with the results.
|
||||
|
||||
|
||||
## Wrappers
|
||||
|
||||
### Utility
|
||||
|
||||
To use the wrapper we need to pass the host of the SearxNG instance to the wrapper with:
|
||||
1. the named parameter `searx_host` when creating the instance.
|
||||
2. exporting the environment variable `SEARXNG_HOST`.
|
||||
|
||||
You can use the wrapper to get results from a SearxNG instance.
|
||||
|
||||
```python
|
||||
from langchain.utilities import SearxSearchWrapper
|
||||
s = SearxSearchWrapper(searx_host="http://localhost:8888")
|
||||
s.run("what is a large language model?")
|
||||
```
|
||||
|
||||
### Tool
|
||||
@ -29,7 +52,7 @@ You can do this with:
|
||||
|
||||
```python
|
||||
from langchain.agents import load_tools
|
||||
tools = load_tools(["searx-search"], searx_host="https://searx.example.com")
|
||||
tools = load_tools(["searx-search"], searx_host="http://localhost:8888")
|
||||
```
|
||||
|
||||
For more information on this, see [this page](../modules/agents/tools.md)
|
||||
For more information on tools, see [this page](../modules/agents/tools.md)
|
||||
|
||||
@ -12,7 +12,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 1,
|
||||
"execution_count": 2,
|
||||
"id": "e6860c2d",
|
||||
"metadata": {
|
||||
"pycharm": {
|
||||
@ -28,7 +28,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 2,
|
||||
"execution_count": 3,
|
||||
"id": "dadbcfcd",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
@ -238,6 +238,92 @@
|
||||
"source": [
|
||||
"agent.run(\"What is the weather in Pomfret?\")"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"id": "eabad3af",
|
||||
"metadata": {},
|
||||
"source": [
|
||||
"## SearxNG Meta Search Engine\n",
|
||||
"\n",
|
||||
"Here we will be using a self hosted SearxNG meta search engine."
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 4,
|
||||
"id": "b196c704",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"tools = load_tools([\"searx-search\"], searx_host=\"http://localhost:8888\", llm=llm)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 6,
|
||||
"id": "9023eeaa",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"agent = initialize_agent(tools, llm, agent=\"zero-shot-react-description\", verbose=True)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 8,
|
||||
"id": "3aad92c1",
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"\n",
|
||||
"\n",
|
||||
"\u001b[1m> Entering new AgentExecutor chain...\u001b[0m\n",
|
||||
"\u001b[32;1m\u001b[1;3m I should look up the current weather\n",
|
||||
"Action: SearX Search\n",
|
||||
"Action Input: \"weather in Pomfret\"\u001b[0m\n",
|
||||
"Observation: \u001b[36;1m\u001b[1;3mMainly cloudy with snow showers around in the morning. High around 40F. Winds NNW at 5 to 10 mph. Chance of snow 40%. Snow accumulations less than one inch.\n",
|
||||
"\n",
|
||||
"10 Day Weather - Pomfret, MD As of 1:37 pm EST Today 49°/ 41° 52% Mon 27 | Day 49° 52% SE 14 mph Cloudy with occasional rain showers. High 49F. Winds SE at 10 to 20 mph. Chance of rain 50%....\n",
|
||||
"\n",
|
||||
"10 Day Weather - Pomfret, VT As of 3:51 am EST Special Weather Statement Today 39°/ 32° 37% Wed 01 | Day 39° 37% NE 4 mph Cloudy with snow showers developing for the afternoon. High 39F....\n",
|
||||
"\n",
|
||||
"Pomfret, CT ; Current Weather. 1:06 AM. 35°F · RealFeel® 32° ; TODAY'S WEATHER FORECAST. 3/3. 44°Hi. RealFeel® 50° ; TONIGHT'S WEATHER FORECAST. 3/3. 32°Lo.\n",
|
||||
"\n",
|
||||
"Pomfret, MD Forecast Today Hourly Daily Morning 41° 1% Afternoon 43° 0% Evening 35° 3% Overnight 34° 2% Don't Miss Finally, Here’s Why We Get More Colds and Flu When It’s Cold Coast-To-Coast...\n",
|
||||
"\n",
|
||||
"Pomfret, MD Weather Forecast | AccuWeather Current Weather 5:35 PM 35° F RealFeel® 36° RealFeel Shade™ 36° Air Quality Excellent Wind E 3 mph Wind Gusts 5 mph Cloudy More Details WinterCast...\n",
|
||||
"\n",
|
||||
"Pomfret, VT Weather Forecast | AccuWeather Current Weather 11:21 AM 23° F RealFeel® 27° RealFeel Shade™ 25° Air Quality Fair Wind ESE 3 mph Wind Gusts 7 mph Cloudy More Details WinterCast...\n",
|
||||
"\n",
|
||||
"Pomfret Center, CT Weather Forecast | AccuWeather Daily Current Weather 6:50 PM 39° F RealFeel® 36° Air Quality Fair Wind NW 6 mph Wind Gusts 16 mph Mostly clear More Details WinterCast...\n",
|
||||
"\n",
|
||||
"12:00 pm · Feels Like36° · WindN 5 mph · Humidity43% · UV Index3 of 10 · Cloud Cover65% · Rain Amount0 in ...\n",
|
||||
"\n",
|
||||
"Pomfret Center, CT Weather Conditions | Weather Underground star Popular Cities San Francisco, CA 49 °F Clear Manhattan, NY 37 °F Fair Schiller Park, IL (60176) warning39 °F Mostly Cloudy...\u001b[0m\n",
|
||||
"Thought:\u001b[32;1m\u001b[1;3m I now know the final answer\n",
|
||||
"Final Answer: The current weather in Pomfret is mainly cloudy with snow showers around in the morning. The temperature is around 40F with winds NNW at 5 to 10 mph. Chance of snow is 40%.\u001b[0m\n",
|
||||
"\n",
|
||||
"\u001b[1m> Finished chain.\u001b[0m\n"
|
||||
]
|
||||
},
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"'The current weather in Pomfret is mainly cloudy with snow showers around in the morning. The temperature is around 40F with winds NNW at 5 to 10 mph. Chance of snow is 40%.'"
|
||||
]
|
||||
},
|
||||
"execution_count": 8,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"agent.run(\"What is the weather in Pomfret\")"
|
||||
]
|
||||
}
|
||||
],
|
||||
"metadata": {
|
||||
@ -256,7 +342,7 @@
|
||||
"name": "python",
|
||||
"nbconvert_exporter": "python",
|
||||
"pygments_lexer": "ipython3",
|
||||
"version": "3.9.1"
|
||||
"version": "3.9.11"
|
||||
},
|
||||
"vscode": {
|
||||
"interpreter": {
|
||||
|
||||
@ -1,7 +1,13 @@
|
||||
"""Chain that calls SearxNG meta search API.
|
||||
|
||||
SearxNG is a privacy-friendly free metasearch engine that aggregates results from
|
||||
multiple search engines and databases.
|
||||
`multiple search engines
|
||||
<https://docs.searxng.org/admin/engines/configured_engines.html>`_ and databases and
|
||||
supports the `OpenSearch
|
||||
<https://github.com/dewitt/opensearch/blob/master/opensearch-1-1-draft-6.md>`_
|
||||
specification.
|
||||
|
||||
More detailes on the installtion instructions `here. <../../ecosystem/searx.html>`_
|
||||
|
||||
For the search API refer to https://docs.searxng.org/dev/search_api.html
|
||||
|
||||
@ -176,7 +182,7 @@ class SearxSearchWrapper(BaseModel):
|
||||
.. code-block:: python
|
||||
|
||||
from langchain.utilities import SearxSearchWrapper
|
||||
searx = SearxSearchWrapper(searx_host="https://searx.example.com")
|
||||
searx = SearxSearchWrapper(searx_host="http://localhost:8888")
|
||||
|
||||
Example with SSL disabled:
|
||||
.. code-block:: python
|
||||
@ -184,7 +190,7 @@ class SearxSearchWrapper(BaseModel):
|
||||
from langchain.utilities import SearxSearchWrapper
|
||||
# note the unsecure parameter is not needed if you pass the url scheme as
|
||||
# http
|
||||
searx = SearxSearchWrapper(searx_host="http://searx.example.com",
|
||||
searx = SearxSearchWrapper(searx_host="http://localhost:8888",
|
||||
unsecure=True)
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user