[ARROW-2867] [Python] Incorrect example for Cython usage

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0
• Fix Version/s: 0.10.0
• Component/s: Documentation, Python
• External issue URL: https://github.com/apache/arrow/issues/19239
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 17/Jul/18 11:26
• Updated: 11/Jan/23 07:23
• Resolved: 17/Jul/18 14:06

Description

When blindly pasting the Cython distutils example, one might get the following error:

Traceback (most recent call last):
  File "setup.py", line 20, in <module>
    ext_modules=ext_modules,
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/core.py", line 148, in setup
    dist.run_commands()
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/dist.py", line 955, in run_commands
    self.run_command(cmd)
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/dist.py", line 974, in run_command
    cmd_obj.run()
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/command/build_ext.py", line 339, in run
    self.build_extensions()
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/command/build_ext.py", line 448, in build_extensions
    self._build_extensions_serial()
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/command/build_ext.py", line 473, in _build_extensions_serial
    self.build_extension(ext)
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/command/build_ext.py", line 558, in build_extension
    target_lang=language)
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/ccompiler.py", line 717, in link_shared_object
    extra_preargs, extra_postargs, build_temp, target_lang)
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/unixccompiler.py", line 159, in link
    libraries)
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/ccompiler.py", line 1089, in gen_lib_options
    lib_opts.append(compiler.library_dir_option(dir))
  File "/home/antoine/miniconda3/envs/pyarrow/lib/python3.6/distutils/unixccompiler.py", line 207, in library_dir_option
    return "-L" + dir
TypeError: must be str, not list

Issue Links

• is superceded by: ARROW-2787 [Python] Memory Issue passing table from python to c++ via cython