Elegent way to access ODPS API. Documentation
The quick way:
pip install pyodps[full]
If you don't need to use Jupyter, just type
pip install pyodps
The dependencies will be installed automatically.
Or from source code (not recommended for production use):
$ virtualenv pyodps_env
$ source pyodps_env/bin/activate
$ pip install git+https://github.com/aliyun/aliyun-odps-python-sdk.git- Python (>=2.7), including Python 3+, pypy, Python 3.7 recommended
- setuptools (>=3.0)
- install pytest
- copy conf/test.conf.template to odps/tests/test.conf, and fill it with your account
- run
pytest odps
>>> import os
>>> from odps import ODPS
>>> # Make sure environment variable ALIBABA_CLOUD_ACCESS_KEY_ID already set to Access Key ID of user
>>> # while environment variable ALIBABA_CLOUD_ACCESS_KEY_SECRET set to Access Key Secret of user.
>>> # Not recommended to hardcode Access Key ID or Access Key Secret in your code.
>>> o = ODPS(
>>> os.getenv('ALIBABA_CLOUD_ACCESS_KEY_ID'),
>>> os.getenv('ALIBABA_CLOUD_ACCESS_KEY_SECRET'),
>>> project='**your-project**',
>>> endpoint='**your-endpoint**',
>>> )
>>> dual = o.get_table('dual')
>>> dual.name
'dual'
>>> dual.table_schema
odps.Schema {
c_int_a bigint
c_int_b bigint
c_double_a double
c_double_b double
c_string_a string
c_string_b string
c_bool_a boolean
c_bool_b boolean
c_datetime_a datetime
c_datetime_b datetime
}
>>> dual.creation_time
datetime.datetime(2014, 6, 6, 13, 28, 24)
>>> dual.is_virtual_view
False
>>> dual.size
448
>>> dual.table_schema.columns
[<column c_int_a, type bigint>,
<column c_int_b, type bigint>,
<column c_double_a, type double>,
<column c_double_b, type double>,
<column c_string_a, type string>,
<column c_string_b, type string>,
<column c_bool_a, type boolean>,
<column c_bool_b, type boolean>,
<column c_datetime_a, type datetime>,
<column c_datetime_b, type datetime>]>>> from odps.df import DataFrame
>>> df = DataFrame(o.get_table('pyodps_iris'))
>>> df.dtypes
odps.Schema {
sepallength float64
sepalwidth float64
petallength float64
petalwidth float64
name string
}
>>> df.head(5)
|==========================================| 1 / 1 (100.00%) 0s
sepallength sepalwidth petallength petalwidth name
0 5.1 3.5 1.4 0.2 Iris-setosa
1 4.9 3.0 1.4 0.2 Iris-setosa
2 4.7 3.2 1.3 0.2 Iris-setosa
3 4.6 3.1 1.5 0.2 Iris-setosa
4 5.0 3.6 1.4 0.2 Iris-setosa
>>> df[df.sepalwidth > 3]['name', 'sepalwidth'].head(5)
|==========================================| 1 / 1 (100.00%) 12s
name sepalwidth
0 Iris-setosa 3.5
1 Iris-setosa 3.2
2 Iris-setosa 3.1
3 Iris-setosa 3.6
4 Iris-setosa 3.9In [1]: %load_ext odps
In [2]: %enter
Out[2]: <odps.inter.Room at 0x10fe0e450>
In [3]: %sql select * from pyodps_iris limit 5
|==========================================| 1 / 1 (100.00%) 2s
Out[3]:
sepallength sepalwidth petallength petalwidth name
0 5.1 3.5 1.4 0.2 Iris-setosa
1 4.9 3.0 1.4 0.2 Iris-setosa
2 4.7 3.2 1.3 0.2 Iris-setosa
3 4.6 3.1 1.5 0.2 Iris-setosa
4 5.0 3.6 1.4 0.2 Iris-setosa
#file: plus.py
from odps.udf import annotate
@annotate('bigint,bigint->bigint')
class Plus(object):
def evaluate(self, a, b):
return a + b$ cat plus.input
1,1
3,2
$ pyou plus.Plus < plus.input
2
5
For a development install, clone the repository and then install from source:
git clone https://github.com/aliyun/aliyun-odps-python-sdk.git
cd pyodps
pip install -r requirements.txt -e .
If you need to modify the frontend code, you need to install nodejs/npm. To build and install your frontend code, use
python setup.py build_js
python setup.py install_js
Licensed under the Apache License 2.0
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