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Asynchronous Python client for InfluxDB

Project description

Asynchronous Python client for InfluxDB. Built on top of aiohttp and asyncio.

InfluxDB is an open-source distributed time series database. Find more about InfluxDB at


Aioinflux is not yet listed on PyPI. Install directly from sources:

# Latest stable version
$ pip install git+

# Latest development commit
$ pip install git+


Aioinflux supports Python 3.6+ ONLY. For older Python versions please use the official Python client

Third-party library dependencies are: aiohttp for all HTTP request handling and pandas for DataFrame reading/writing support.



This sums most of what you can do with aioinflux:

import asyncio
from aioinflux import AsyncInfluxDBClient

point = dict(time='2009-11-10T23:00:00Z',
             tags={'host': 'server01',
                   'region': 'us-west'},
             fields={'value': 0.64})

client = AsyncInfluxDBClient(db='testdb')

coros = [client.create_database(db='testdb'),
         client.query('SELECT value FROM cpu_load_short')]

loop = asyncio.get_event_loop()
results = loop.run_until_complete(asyncio.gather(*coros))
for result in results:

Client modes

Despite its name, AsyncInfluxDBClient can also run in sync/blocking modes. Avialable modes are: async (default), blocking and dataframe.

Example using blocking mode:

client = AsyncInfluxDBClient(db='testdb', mode='blocking')
client.query('SELECT value FROM cpu_load_short')

See Retrieving DataFrames for dataframe mode usage.

Writing data

Input data can be: 1) A string properly formatted in InfluxDB’s line protocol 2) A dictionary containing the following keys: measurement, time, tags, fields 3) A Pandas DataFrame with a DatetimeIndex 4) An iterable of one of the above

Input data in formats 2-4 are parsed into the line protocol before being written to InfluxDB. All parsing functionality is located at Beware that serialization is not highly optimized (PRs are welcome!) and may become a bottleneck depending on your application.

The write method returns True when successful and raises an InfluxDBError otherwise.

Writing dictionary-like objects

Aioinflux accepts any dictionary-like object (mapping) as input. However, that dictionary must be properly formated and contain the following keys:

  1. measurement: Optional. Must be a string-like object. If ommited, must be specified when calling AsyncInfluxDBClient.write by passing a measurement argument.
  2. time: Optional. The value can be datetime.datetime, date-like string (e.g., 2017-01-01, 2009-11-10T23:00:00Z) or anything else that can be parsed by Pandas’ Timestamp class initializer.
  3. tags: Optional. This must contain another mapping of field names and values. Both tag keys and values should be strings.
  4. fields: Mandatory. This must contain another mapping of field names and values. Field keys should be strings. Field values can be float, int, str, or bool or any equivalent type.

Any fields other then the above will be ignored when writing data to InfluxDB.

A typical dictionary-like point would look something like the following:

{'time': '2009-11-10T23:00:00Z',
'measurement': 'cpu_load_short',
'tags': {'host': 'server01', 'region': 'us-west'},
'fields': {'value1': 0.64, 'value2': True, 'value3': 10}}

Writing DataFrames

Aioinflux also accepts Pandas dataframes as input. The only requirements for the dataframe is that the index must be of type DatetimeIndex. Also, any column whose dtype is object will be converted to a string representation.

A typical DataFrame input should look something like the following:

                                       LUY       BEM       AJW tag
2017-06-24 08:45:17.929097+00:00  2.545409  5.173134  5.532397   B
2017-06-24 10:15:17.929097+00:00 -0.306673 -1.132941 -2.130625   E
2017-06-24 11:45:17.929097+00:00  0.894738 -0.561979 -1.487940   B
2017-06-24 13:15:17.929097+00:00 -1.799512 -1.722805 -2.308823   D
2017-06-24 14:45:17.929097+00:00  0.390137 -0.016709 -0.667895   E

The measurement name must be specified with the measurement argument when calling AsyncInfluxDBClient.write. Additional tags can also be passed using arbitrary keyword arguments.


client = AsyncInfluxDBClient(db='testdb', mode='blocking')
client.write(df, measurement='prices', tag_columns=['tag'], asset_class='equities')

In the example above, df is the DataFrame we are trying to write to InfluxDB and measurement is the measurement we are writing to.

tag_columns is in an optional iterable telling which of the dataframe columns should be parsed as tag values. If tag_columns is not explicitly passed, all columns in the dataframe will be treated as InfluxDB field values.

Any other keyword arguments passed to AsyncInfluxDBClient.write are treated as extra tags which will be attached to the data being written to InfluxDB. Any string which is a valid InfluxDB identifier and valid Python identifier can be used as an extra tag key (with the exception of they strings data, measurement and tag_columns).

See AsyncInfluxDBClient.write docstring for details.

Querying data

Querying data is as simple as passing an InfluxDB query string to AsyncInfluxDBClient.write:

client.query('SELECT myfield FROM mymeasurement')

The result (in blocking and async modes) is a dictionary containing the raw JSON data returned by the InfluxDB HTTP API:

{'results': [{'series': [{'columns': ['time', 'Price', 'Volume'],
     'name': 'mymeasurement',
     'values': [[1491963424224703000, 5783, 100],
      [1491963424375146000, 5783, 200],
      [1491963428374895000, 5783, 100],
      [1491963429645478000, 5783, 1100],
      [1491963429655289000, 5783, 100],
      [1491963437084443000, 5783, 100],
      [1491963442274656000, 5783, 900],
      [1491963442274657000, 5782, 5500],
      [1491963442274658000, 5781, 3200],
      [1491963442314710000, 5782, 100]]}],
   'statement_id': 0}]}

Retrieving DataFrames

                                  Price  Volume
2017-04-12 02:17:04.224703+00:00   5783     100
2017-04-12 02:17:04.375146+00:00   5783     200
2017-04-12 02:17:08.374895+00:00   5783     100
2017-04-12 02:17:09.645478+00:00   5783    1100
2017-04-12 02:17:09.655289+00:00   5783     100
2017-04-12 02:17:17.084443+00:00   5783     100
2017-04-12 02:17:22.274656+00:00   5783     900
2017-04-12 02:17:22.274657+00:00   5782    5500
2017-04-12 02:17:22.274658+00:00   5781    3200
2017-04-12 02:17:22.314710+00:00   5782     100

Chunked responses


Convenience functions

Aioinflux provides some wrappers around AsyncInfluxDBClient.query in order to provide convenient access to commonly used query patterns. Appropriate named arguments must be passed (e.g.: db, measurement, etc).



For more complex queries, pass a raw query to AsyncInfluxDBClient.query.

Please refer to the source for argument information and to InfluxDB documentation for further query-related information.

Other functionality



Database selection

After the instantiation of the AsyncInfluxDBClient object, database can be switched by changing the db attribute:

client = AsyncInfluxDBClient(db='db1')  # instantiate client
client.db = 'db2'  # switch database

Beaware that differently from some NoSQL databases (such as MongoDB), InfluxDB requires that a databases is explicitly created (by using the CREATE DATABASE query) before doing any operations on it.




Since InfluxDB exposes all its functionality through an HTTP API, AsyncInfluxDBClient tries to be nothing more than a thin and dry wrapper around that API.

The InfluxDB HTTP API exposes exactly three endpoints/functions: ping, write and query.

AsyncInfluxDBClient merely wraps these three functions and provides some parsing functionality for generating line protocol data (when writing) and parsing JSON responses (when querying).

Additionally, partials are used in order to provide convenient access to commonly used query patterns. See the Convenience functions section for details.


To contribute, fork the repository on GitHub, make your changes and submit a pull request.
Aioinflux is not a mature project yet, so just simply raising issues is also greatly appreciated :)

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