我有一個包含Spark的Docker鏡像。這裏是我的Dockerfile:PyCharm覆蓋正在用作解釋器的碼頭集裝箱中的PYTHONPATH
FROM docker-dev.artifactory.company.com/centos:7.3.1611
# set proxy
ENV http_proxy http://proxyaddr.co.uk:8080
ENV HTTPS_PROXY http://proxyaddr.co.uk:8080
ENV https_proxy http://proxyaddr.co.uk:8080
RUN yum install -y epel-release
RUN yum install -y gcc
RUN yum install -y krb5-devel
RUN yum install -y python-devel
RUN yum install -y krb5-workstation
RUN yum install -y python-setuptools
RUN yum install -y python-pip
RUN yum install -y xmlstarlet
RUN yum install -y wget java-1.8.0-openjdk
RUN pip install kerberos
RUN pip install numpy
RUN pip install pandas
RUN pip install coverage
RUN pip install tensorflow
RUN wget http://d3kbcqa49mib13.cloudfront.net/spark-1.6.0-bin-hadoop2.6.tgz
RUN tar -xvzf spark-1.6.0-bin-hadoop2.6.tgz -C /opt
RUN ln -s spark-1.6.0-bin-hadoop2.6 /opt/spark
ENV VERSION_NUMBER $(cat VERSION)
ENV JAVA_HOME /etc/alternatives/jre/
ENV SPARK_HOME /opt/spark
ENV PYTHONPATH $SPARK_HOME/python/:$PYTHONPATH
ENV PYTHONPATH $SPARK_HOME/python/lib/py4j-0.9-src.zip:$PYTHONPATH
我可以建立然後運行搬運工圖像,連接到它,併成功導入pyspark庫:
$ docker run -d -it sse_spark_build:1.0
09e8aac622d7500e147a6e6db69f806fe093b0399b98605c5da2ff5e0feca07c
$ docker exec -it 09e8aac622d7 python
Python 2.7.5 (default, Nov 6 2016, 00:28:07)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from pyspark import SparkContext
>>>import os
>>> os.environ['PYTHONPATH']
'/opt/spark/python/lib/py4j-0.9-src.zip:/opt/spark/python/:'
>>>
注PYTHONPATH
價值!
問題是,如果我使用與解釋器相同的泊塢窗圖像,PyCharm中的行爲是不同的。以下是我已經設置瞭解釋:
如果我再在PyCharm運行Python控制檯出現這種情況:
bec0b9189066:python /opt/.pycharm_helpers/pydev/pydevconsole.py 0 0
PyDev console: starting.
import sys; print('Python %s on %s' % (sys.version, sys.platform))
sys.path.extend(['/home/cengadmin/git/dhgitlab/sse/engine/fs/programs/pyspark', '/home/cengadmin/git/dhgitlab/sse/engine/fs/programs/pyspark'])
Python 2.7.5 (default, Nov 6 2016, 00:28:07)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux2
import os
os.environ['PYTHONPATH']
'/opt/.pycharm_helpers/pydev'
正如你可以看到PyCharm改變PYTHONPATH這意味着我再也不能使用我想使用pyspark庫:
from pyspark import SparkContext
Traceback (most recent call last):
File "<input>", line 1, in <module>
ImportError: No module named pyspark
OK,我可以從控制檯更改路徑,使其工作:
import sys
sys.path.append('/opt/spark/python/')
sys.path.append('/opt/spark/python/lib/py4j-0.9-src.zip')
但每次打開控制檯時都必須這麼做。我不相信沒有辦法告訴PyCharm追加到PYTHONPATH而不是覆蓋它,但如果有的話我找不到它。任何人都可以提供建議嗎?我如何使用Docker鏡像作爲PyCharm的遠程解釋器並保留PYTHONPATH的值?
哦非常酷,非常感謝你 – jamiet