diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..260af94
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,5 @@
+[flake8]
+exclude = .git,.nox,venv
+max-line-length = 90
+select = E,F,W,C
+ignore=E501,W503,E203
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b495b68
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+venv/
+*.egg-info/
+.vscode/
+dist/
+venv
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..e69de29
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..8b035f7
--- /dev/null
+++ b/README.md
@@ -0,0 +1,56 @@
+# Caiyun Weather API Python SDK
+
+## Install
+
+Python 3.6+ is required.
+
+```sh
+pip install cy-weather-api
+```
+
+## Usage
+
+### Request Caiyun API
+
+```py
+from cy_weather_api import CyWeatherAPIClient
+
+client = CyWeatherAPIClient(token="TAkhjf8d1nlSlspN")
+apiResult = client.fetch(lng=101.8551, lat=26.6832, lang="zh_CN", alert=True)
+print(apiResult.result.hourly.description)
+apiResult = client.fetch(lng=-0.2008, lat=51.5024, lang="en_GB")
+print(apiResult.result.hourly.description)
+apiResult = client.fetch(lng=73.9808, lat=40.7648, lang="en_US")
+print(apiResult.result.hourly.description)
+```
+
+Output sample:
+
+```
+晴，今天晚间20点钟后转小雨，其后多云
+clear weather over the next 24 hours
+clear weather, overcast after 20 o'clock this afternoon, followed by cloudy
+```
+
+### Use our dataclass models
+
+The default HTTP client is requests, you can other HTTP cient to request API,
+and pass the response dict to our models (based on `dataclasss`):
+
+```py
+from cy_weather_api import initFromDict
+
+data = {
+    "status": "ok",
+    "api_version": "v2.5",
+    "api_status": "active",
+    "lang": "en_US",
+    "unit": "metric",
+    "tzshift": 28800,
+    "timezone": "Asia/Shanghai",
+    "server_time": 1589125757,
+    "location": [39.888888, 116.674501],
+    "result": {"forecast_keypoint": "test forecast_keypoint", "primary": 0},
+}
+apiResult = initFromDict(data)
+```
diff --git a/cy_weather_api/__init__.py b/cy_weather_api/__init__.py
new file mode 100644
index 0000000..a7e98f3
--- /dev/null
+++ b/cy_weather_api/__init__.py
@@ -0,0 +1,4 @@
+from cyapi.client import CyAPIClient
+from cyapi.models import initFromDict
+
+__all__ = ["CyAPIClient", "initFromDict"]
diff --git a/cy_weather_api/client.py b/cy_weather_api/client.py
new file mode 100644
index 0000000..a318465
--- /dev/null
+++ b/cy_weather_api/client.py
@@ -0,0 +1,94 @@
+from dataclasses import dataclass
+
+import requests
+from cyapi.models import initFromDict, CyWeatherAPIResponseHandler
+
+API_BASE = (
+    "http://api.caiyunapp.com/v2.5/{token}/{lng},{lat}/weather.json?"
+    "&lang={lang}"
+    "&unit={unit}"
+    "&dailysteps={dailysteps}"
+    "&hourlysteps={hourlysteps}"
+)
+VALID_UNIT_OPTIONS = ["metric", "metric:v1", "metric:v2", "imperial", "SI"]
+VALID_GRANU_OPTIONS = ["realtime", "minutely", "hourly", "daily", "weather"]
+
+
+@dataclass
+class CyWeatherAPIClient:
+    token: str = "TAkhjf8d1nlSlspN"
+    session = requests.Session()
+
+    def fetch(
+        self,
+        lng: float,
+        lat: float,
+        lang: str = "en_US",
+        begin: int = None,
+        alert: bool = False,
+        granu: str = None,
+        unit: str = "metric",
+        dailysteps: int = 5,
+        hourlysteps: int = 48,
+    ) -> CyWeatherAPIResponseHandler:
+
+        if unit and unit not in VALID_UNIT_OPTIONS:
+            raise ValueError(
+                "Invaliad unit, got  {}, expect one from {}".format(
+                    unit, VALID_UNIT_OPTIONS
+                )
+            )
+
+        if granu and granu not in VALID_GRANU_OPTIONS:
+            raise ValueError(
+                "Invaliad granu, got  {}, expect one from {}".format(
+                    unit, VALID_GRANU_OPTIONS
+                )
+            )
+
+        if dailysteps < 1 or dailysteps > 15:
+            raise ValueError("dailysteps in range [1, 15]")
+
+        if hourlysteps < 1 or hourlysteps > 360:
+            raise ValueError("hourlysteps in range [1, 360]")
+
+        url = API_BASE.format(
+            token=self.token,
+            lng=lng,
+            lat=lat,
+            lang=lang,
+            unit=unit,
+            hourlysteps=hourlysteps,
+            dailysteps=dailysteps,
+        )
+
+        if granu:
+            url += "&granu={}".format(granu)
+
+        if begin is not None:
+            try:
+                int(begin)
+                url += "&begin={}".format(begin)
+            except Exception:
+                raise ValueError("Invalid begin")
+
+        _data = self.session.get(url).json()
+        if _data["status"] != "ok":
+            _mess = (
+                "Calling Caiyun API Errored with {error_mess}, please check token status\n"
+                "url: {url}\n"
+                "data: {api_data}\n"
+            )
+            mess = _mess.format(url=url, api_data=_data, error_mess=_data.get("error"))
+            raise ValueError(mess)
+        return initFromDict(_data)
+
+
+if __name__ == "__main__":
+    client = CyWeatherAPIClient(token="TAkhjf8d1nlSlspN")
+    apiResult = client.fetch(lng=101.8551, lat=26.6832, lang="zh_CN", alert=True)
+    print(apiResult.result.hourly.description)
+    apiResult = client.fetch(lng=-0.2008, lat=51.5024, lang="en_GB")
+    print(apiResult.result.hourly.description)
+    apiResult = client.fetch(lng=73.9808, lat=40.7648, lang="en_US")
+    print(apiResult.result.hourly.description)
diff --git a/cy_weather_api/models/__init__.py b/cy_weather_api/models/__init__.py
new file mode 100644
index 0000000..1985f78
--- /dev/null
+++ b/cy_weather_api/models/__init__.py
@@ -0,0 +1,84 @@
+"""Dataclass for Caiyun Weather API.
+
+Below dataclasses arr based on Caiyun Weather API v2.5, the offical API docs:
+
+    zh_CN: https://open.caiyunapp.com/通用预报接口/v2.5
+    en_US: https://open.caiyunapp.com/General_weather_interface/v2.5
+
+We encourage use Golang's coding style:
+
+    1. Use black as format tool.
+    2. Use Camel-Case.
+    3. Avoid complex oop tricks.
+"""
+
+import json
+from dataclasses import asdict, dataclass, is_dataclass
+from typing import Dict, List
+
+import orjson
+from dacite import from_dict
+
+from cyapi.models.result import cyWeatherAPIResponseResultStruct
+
+
+class EnhancedJSONEncoder(json.JSONEncoder):
+    def default(self, o):
+        if is_dataclass(o):
+            return asdict(o)
+        return super().default(o)
+
+
+@dataclass
+class CyWeatherAPIResponseHandler:
+    status: str
+    api_version: str
+    api_status: str
+    lang: str
+    unit: str
+    tzshift: int
+    timezone: str
+    server_time: int
+    location: List[float]
+    result: cyWeatherAPIResponseResultStruct
+
+    def __post_init__(self):
+        pass
+
+    def dumps(self, ensure_text=True) -> bytes:
+        """Fast dumps via orjson.
+
+        Check orjson docs for details: https://github.com/ijl/orjson#dataclass
+        """
+        if ensure_text:
+            return orjson.dumps(self).decode("utf-8")
+        else:
+            return orjson.dumps(self)
+
+    def dumps_pretty(self, **kwargs) -> str:
+        """Dumps JSON with indent.
+
+        Note: please do not change `cls` option if you don't know it.
+        """
+        return json.dumps(self, cls=EnhancedJSONEncoder, **kwargs)
+
+
+def initFromDict(data: Dict) -> CyWeatherAPIResponseHandler:
+    return from_dict(data_class=CyWeatherAPIResponseHandler, data=data)
+
+
+if __name__ == "__main__":
+    import requests
+    # from dacite import from_dict
+
+    # NOTE: Test token, no one can ensure its availability.
+    TOKEN = "TAkhjf8d1nlSlspN"
+    LNG, LAT = 116.3883, 39.9289
+    URL = "http://api.caiyunapp.com/v2.5/{TOKEN}/{LNG},{LAT}/weather".format(
+        TOKEN=TOKEN, LNG=LNG, LAT=LAT
+    )
+
+    apiResponseDataclass = from_dict(
+        data_class=CyWeatherAPIResponseHandler, data=requests.get(URL).json()
+    )
+    print(apiResponseDataclass.dumps())
diff --git a/cy_weather_api/models/alert.py b/cy_weather_api/models/alert.py
new file mode 100644
index 0000000..ee6a155
--- /dev/null
+++ b/cy_weather_api/models/alert.py
@@ -0,0 +1,31 @@
+from dataclasses import dataclass
+from typing import List
+
+
+@dataclass
+class cyWeatherAPIResponseAlertContentItemStruct:
+    province: str
+    status: str
+    code: str
+    description: str
+    pubtimestamp: float
+    city: str
+    adcode: str
+    regionId: str
+    latlon: List[float]
+    county: str
+    alertId: str
+    request_status: str
+    source: str
+    title: str
+    location: str
+
+    def __post__init(self):
+        self.lng = self.latlon[-1]
+        self.lat = self.latlon[0]
+
+
+@dataclass
+class cyWeatherAPIResponseAlertStruct:
+    status: str = None
+    content: List[cyWeatherAPIResponseAlertContentItemStruct] = None
diff --git a/cy_weather_api/models/daily.py b/cy_weather_api/models/daily.py
new file mode 100644
index 0000000..000551c
--- /dev/null
+++ b/cy_weather_api/models/daily.py
@@ -0,0 +1,96 @@
+from dataclasses import dataclass
+from typing import List, Any
+
+
+@dataclass
+class cyWeatherAPIResponseDailyAstroItemTimeStruct:
+    time: str
+
+
+@dataclass
+class cyWeatherAPIResponseDailyAstroItemStruct:
+    date: str
+    sunrise: cyWeatherAPIResponseDailyAstroItemTimeStruct
+    sunset: cyWeatherAPIResponseDailyAstroItemTimeStruct
+
+
+@dataclass
+class cyWeatherAPIResponseDailyMaxMinAvgItemStruct:
+    date: str
+    max: float
+    min: float
+    avg: float
+
+
+@dataclass
+class cyWeatherAPIResponseDailyWindItemPropertyStruct:
+    speed: float
+    direction: float
+
+
+@dataclass
+class cyWeatherAPIResponseDailyWindItemStruct:
+    date: str
+    max: cyWeatherAPIResponseDailyWindItemPropertyStruct
+    min: cyWeatherAPIResponseDailyWindItemPropertyStruct
+    avg: cyWeatherAPIResponseDailyWindItemPropertyStruct
+
+
+@dataclass
+class cyWeatherAPIResponseDailyAirQualityItemAQITypeStruct:
+    chn: float
+    usa: float
+
+
+@dataclass
+class cyWeatherAPIResponseDailyAirQualityItemAQIStruct:
+    date: str
+    max: cyWeatherAPIResponseDailyAirQualityItemAQITypeStruct
+    min: cyWeatherAPIResponseDailyAirQualityItemAQITypeStruct
+    avg: cyWeatherAPIResponseDailyAirQualityItemAQITypeStruct
+
+
+@dataclass
+class cyWeatherAPIResponseDailyAirQualityItemStruct:
+    aqi: List[cyWeatherAPIResponseDailyAirQualityItemAQIStruct]
+    pm25: List[cyWeatherAPIResponseDailyMaxMinAvgItemStruct]
+
+
+@dataclass
+class cyWeatherAPIResponseDailySkyconItemStruct:
+    date: str
+    value: str
+
+
+@dataclass
+class cyWeatherAPIResponseDailyDateIndexDescItemStruct:
+    date: str
+    index: Any
+    desc: str
+
+
+@dataclass
+class cyWeatherAPIResponseDailyLifeIndexItemStruct:
+    ultraviolet: List[cyWeatherAPIResponseDailyDateIndexDescItemStruct]
+    carWashing: List[cyWeatherAPIResponseDailyDateIndexDescItemStruct]
+    dressing: List[cyWeatherAPIResponseDailyDateIndexDescItemStruct]
+    comfort: List[cyWeatherAPIResponseDailyDateIndexDescItemStruct]
+    coldRisk: List[cyWeatherAPIResponseDailyDateIndexDescItemStruct]
+
+
+@dataclass
+class cyWeatherAPIResponseDailyStruct:
+    status: str
+    astro: List[cyWeatherAPIResponseDailyAstroItemStruct]
+    precipitation: List[cyWeatherAPIResponseDailyMaxMinAvgItemStruct]
+    temperature: List[cyWeatherAPIResponseDailyMaxMinAvgItemStruct]
+    humidity: List[cyWeatherAPIResponseDailyMaxMinAvgItemStruct]
+    cloudrate: List[cyWeatherAPIResponseDailyMaxMinAvgItemStruct]
+    pressure: List[cyWeatherAPIResponseDailyMaxMinAvgItemStruct]
+    visibility: List[cyWeatherAPIResponseDailyMaxMinAvgItemStruct]
+    dswrf: List[cyWeatherAPIResponseDailyMaxMinAvgItemStruct]
+    wind: List[cyWeatherAPIResponseDailyWindItemStruct]
+    skycon: List[cyWeatherAPIResponseDailySkyconItemStruct]
+    skycon_08h_20h: List[cyWeatherAPIResponseDailySkyconItemStruct]
+    skycon_20h_32h: List[cyWeatherAPIResponseDailySkyconItemStruct]
+    life_index: cyWeatherAPIResponseDailyLifeIndexItemStruct
diff --git a/cy_weather_api/models/hourly.py b/cy_weather_api/models/hourly.py
new file mode 100644
index 0000000..5388548
--- /dev/null
+++ b/cy_weather_api/models/hourly.py
@@ -0,0 +1,54 @@
+from dataclasses import dataclass
+from typing import Any, List
+
+
+@dataclass
+class cyWeatherAPIResponseHourlyWindStruct:
+    datetime: str
+    speed: float
+    direction: float
+
+
+@dataclass
+class cyWeatherAPIResponseHourlyAirQualityItemValue:
+    chn: float
+    usa: float
+
+
+@dataclass
+class cyWeatherAPIResponseHourlyAirQualityItem:
+    datetime: str
+    value: cyWeatherAPIResponseHourlyAirQualityItemValue
+
+
+@dataclass
+class cyWeatherAPIResponseHourlyAirQualityPM25Item:
+    datetime: str
+    value: float
+
+
+@dataclass
+class cyWeatherAPIResponseHourlyAirQuality:
+    aqi: List[cyWeatherAPIResponseHourlyAirQualityItem]
+    pm25: List[cyWeatherAPIResponseHourlyAirQualityPM25Item]
+
+
+@dataclass
+class cyWeatherAPIResponseHourlySimpleDatetimeValuePair:
+    datetime: str
+    value: Any
+
+
+@dataclass
+class cyWeatherAPIResponseHourlyStruct:
+    status: str
+    description: str
+    precipitation: List[cyWeatherAPIResponseHourlySimpleDatetimeValuePair]
+    temperature: List[cyWeatherAPIResponseHourlySimpleDatetimeValuePair]
+    humidity: List[cyWeatherAPIResponseHourlySimpleDatetimeValuePair]
+    cloudrate: List[cyWeatherAPIResponseHourlySimpleDatetimeValuePair]
+    pressure: List[cyWeatherAPIResponseHourlySimpleDatetimeValuePair]
+    visibility: List[cyWeatherAPIResponseHourlySimpleDatetimeValuePair]
+    dswrf: List[cyWeatherAPIResponseHourlySimpleDatetimeValuePair]
+    wind: List[cyWeatherAPIResponseHourlyWindStruct]
+    air_quality: cyWeatherAPIResponseHourlyAirQuality
diff --git a/cy_weather_api/models/minutely.py b/cy_weather_api/models/minutely.py
new file mode 100644
index 0000000..71ffaeb
--- /dev/null
+++ b/cy_weather_api/models/minutely.py
@@ -0,0 +1,12 @@
+from dataclasses import dataclass
+from typing import List
+
+
+@dataclass
+class cyWeatherAPIResponseMinutelyStruct:
+    status: str
+    datasource: str
+    precipitation_2h: List[float]
+    precipitation: List[float]
+    probability: List[float]
+    description: str
diff --git a/cy_weather_api/models/realtime.py b/cy_weather_api/models/realtime.py
new file mode 100644
index 0000000..801f84d
--- /dev/null
+++ b/cy_weather_api/models/realtime.py
@@ -0,0 +1,80 @@
+from dataclasses import dataclass
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimeWindStruct:
+    speed: float
+    direction: float
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimePrecipitationItemLocalStruct:
+    status: str
+    datasource: str
+    intensity: float
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimePrecipitationItemNearestStruct:
+    status: str
+    distance: float
+    intensity: float
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimePrecipitationStruct:
+    local: cyWeatherAPIResponseRealtimePrecipitationItemLocalStruct
+    nearest: cyWeatherAPIResponseRealtimePrecipitationItemNearestStruct = None
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimeAirQualityAQIValueStruct:
+    chn: float
+    usa: float
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimeAirQualityAQIDescStruct:
+    chn: str
+    usa: str
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimeAirQualityStruct:
+    aqi: cyWeatherAPIResponseRealtimeAirQualityAQIValueStruct
+    description: cyWeatherAPIResponseRealtimeAirQualityAQIDescStruct
+    pm25: float = None
+    pm10: float = None
+    o3: float = None
+    so2: float = None
+    no2: float = None
+    co: float = None
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimeLifeIndexItemStruct:
+    index: float
+    desc: str
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimeLifeIndexStruct:
+    ultraviolet: cyWeatherAPIResponseRealtimeLifeIndexItemStruct
+    comfort: cyWeatherAPIResponseRealtimeLifeIndexItemStruct
+
+
+@dataclass
+class cyWeatherAPIResponseRealtimeStruct:
+    status: str
+    temperature: float
+    humidity: float
+    cloudrate: float
+    skycon: str
+    visibility: float
+    dswrf: float
+    wind: cyWeatherAPIResponseRealtimeWindStruct
+    pressure: float
+    apparent_temperature: float
+    precipitation: cyWeatherAPIResponseRealtimePrecipitationStruct
+    air_quality: cyWeatherAPIResponseRealtimeAirQualityStruct
+    life_index: cyWeatherAPIResponseRealtimeLifeIndexStruct
diff --git a/cy_weather_api/models/result.py b/cy_weather_api/models/result.py
new file mode 100644
index 0000000..724ef31
--- /dev/null
+++ b/cy_weather_api/models/result.py
@@ -0,0 +1,18 @@
+from dataclasses import dataclass
+
+from cyapi.models.alert import cyWeatherAPIResponseAlertStruct
+from cyapi.models.hourly import cyWeatherAPIResponseHourlyStruct
+from cyapi.models.minutely import cyWeatherAPIResponseMinutelyStruct
+from cyapi.models.realtime import cyWeatherAPIResponseRealtimeStruct
+from cyapi.models.daily import cyWeatherAPIResponseDailyStruct
+
+
+@dataclass
+class cyWeatherAPIResponseResultStruct:
+    primary: int
+    forecast_keypoint: str = None
+    realtime: cyWeatherAPIResponseRealtimeStruct = None
+    minutely: cyWeatherAPIResponseMinutelyStruct = None
+    hourly: cyWeatherAPIResponseHourlyStruct = None
+    daily: cyWeatherAPIResponseDailyStruct = None
+    alert: cyWeatherAPIResponseAlertStruct = None
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..6801ba5
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,561 @@
+[[package]]
+category = "dev"
+description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+name = "appdirs"
+optional = false
+python-versions = "*"
+version = "1.4.4"
+
+[[package]]
+category = "dev"
+description = "Classes Without Boilerplate"
+name = "attrs"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "20.1.0"
+
+[package.extras]
+dev = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
+docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
+tests = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+
+[[package]]
+category = "dev"
+description = "The uncompromising code formatter."
+name = "black"
+optional = false
+python-versions = ">=3.6"
+version = "19.10b0"
+
+[package.dependencies]
+appdirs = "*"
+attrs = ">=18.1.0"
+click = ">=6.5"
+pathspec = ">=0.6,<1"
+regex = "*"
+toml = ">=0.9.4"
+typed-ast = ">=1.4.0"
+
+[package.extras]
+d = ["aiohttp (>=3.3.2)", "aiohttp-cors"]
+
+[[package]]
+category = "main"
+description = "Python package for providing Mozilla's CA Bundle."
+name = "certifi"
+optional = false
+python-versions = "*"
+version = "2020.6.20"
+
+[[package]]
+category = "dev"
+description = "Validate configuration and produce human readable error messages."
+name = "cfgv"
+optional = false
+python-versions = ">=3.6.1"
+version = "3.2.0"
+
+[[package]]
+category = "main"
+description = "Universal encoding detector for Python 2 and 3"
+name = "chardet"
+optional = false
+python-versions = "*"
+version = "3.0.4"
+
+[[package]]
+category = "dev"
+description = "Composable command line interface toolkit"
+name = "click"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "7.1.2"
+
+[[package]]
+category = "main"
+description = "Simple creation of data classes from dictionaries."
+name = "dacite"
+optional = false
+python-versions = ">=3.6"
+version = "1.5.1"
+
+[package.dependencies]
+[package.dependencies.dataclasses]
+python = "<3.7"
+version = "*"
+
+[package.extras]
+dev = ["pytest (>=5)", "pytest-cov", "coveralls", "black", "mypy", "pylint"]
+
+[[package]]
+category = "main"
+description = "A backport of the dataclasses module for Python 3.6"
+marker = "python_version < \"3.7\""
+name = "dataclasses"
+optional = false
+python-versions = "*"
+version = "0.6"
+
+[[package]]
+category = "dev"
+description = "Distribution utilities"
+name = "distlib"
+optional = false
+python-versions = "*"
+version = "0.3.1"
+
+[[package]]
+category = "dev"
+description = "A platform independent file lock."
+name = "filelock"
+optional = false
+python-versions = "*"
+version = "3.0.12"
+
+[[package]]
+category = "dev"
+description = "the modular source code checker: pep8 pyflakes and co"
+name = "flake8"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "3.8.3"
+
+[package.dependencies]
+mccabe = ">=0.6.0,<0.7.0"
+pycodestyle = ">=2.6.0a1,<2.7.0"
+pyflakes = ">=2.2.0,<2.3.0"
+
+[package.dependencies.importlib-metadata]
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diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..b8ad282
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,22 @@
+[tool.poetry]
+name = "cy-weather-api"
+version = "0.1.3"
+description = "Caiyun Weather API Python SDK"
+authors = ["Caiyunapp <admin@caiyunapp.com>"]
+readme = "README.md"
+repository = "https://github.com/caiyunapp/caiyun-weather-api-python-sdk"
+
+[tool.poetry.dependencies]
+python = "^3.6.1"
+requests = "^2.23.0"
+orjson = "^3.0.0"
+dacite = "^1.5.0"
+
+[tool.poetry.dev-dependencies]
+pre-commit = "^2.3.0"
+black = "^19.10b0"
+flake8 = "isort"
+
+[build-system]
+requires = ["poetry>=0.12"]
+build-backend = "poetry.masonry.api"