[SPARK-34196] Improve error message when folks try and install in Python 2

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 3.1.0, 3.1.1, 3.1.2, 3.2.0
• Component/s: PySpark
• Assignee: Unassigned
• Reporter: Holden Karau
• Created: 21/Jan/21 20:08
• Updated: 22/Jan/21 18:41
• Resolved: 22/Jan/21 18:41

Description

Current error message:

 

Processing ./pyspark-3.1.1.tar.gz
    ERROR: Command errored out with exit status 1:
     command: /tmp/py3.1/bin/python2 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-req-build-lmlitE/setup.py'"'"'; __file__='"'"'/tmp/pip-req-build-lmlitE/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-W1BsIL
         cwd: /tmp/pip-req-build-lmlitE/
    Complete output (6 lines):
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-req-build-lmlitE/setup.py", line 31
        file=sys.stderr)
            ^
    SyntaxError: invalid syntax
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.