Installation failure with pip

[scottclowe]

Installation of the latest release of py-pandoc (2.9.2.1.2) fails on Ubuntu 18.04.5 for both Python 3.6 and Python 3.8 using the latest version of pip (21.1.3).

Python 3.6 error message:

$ pip 21.1.3 from /path/to/py3.6-venv/lib/python3.6/site-packages/pip (python 3.6)
$
$ pip install py-pandoc
/path/to/py3.6-venv/lib/python3.6/site-packages/secretstorage/dhcrypto.py:16: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
  from cryptography.utils import int_from_bytes
/path/to/py3.6-venv/lib/python3.6/site-packages/secretstorage/util.py:25: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
  from cryptography.utils import int_from_bytes
Collecting py-pandoc
  Downloading py-pandoc-2.9.2.1.2.tar.gz (10 kB)
Building wheels for collected packages: py-pandoc
  Building wheel for py-pandoc (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /path/to/py3.6-venv/bin/python3 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py'"'"'; __file__='"'"'/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-hma45mww
       cwd: /tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/
  Complete output (38 lines):
  running bdist_wheel
  running build
  installing to build/bdist.linux-x86_64/wheel
  running install
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py", line 172, in <module>
      ) if not conda else {})
    File "/path/to/py3.6-venv/lib/python3.6/site-packages/setuptools/__init__.py", line 153, in setup
      return distutils.core.setup(**attrs)
    File "/usr/lib/python3.6/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/usr/lib/python3.6/distutils/dist.py", line 955, in run_commands
      self.run_command(cmd)
    File "/usr/lib/python3.6/distutils/dist.py", line 974, in run_command
      cmd_obj.run()
    File "/path/to/py3.6-venv/lib/python3.6/site-packages/wheel/bdist_wheel.py", line 326, in run
      self.run_command('install')
    File "/usr/lib/python3.6/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/usr/lib/python3.6/distutils/dist.py", line 974, in run_command
      cmd_obj.run()
    File "/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py", line 58, in run
      excract_tar_and_move_files(url=URL, **spec)
    File "/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py", line 141, in excract_tar_and_move_files
      raise e
    File "/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py", line 119, in excract_tar_and_move_files
      raise AssertionError('pip download error:\n\n{}\n\nOr pip download behaviour changed. Downgrade pip or wait for bugfix in this case.'.format(stderr))
  AssertionError: pip download error:
  
  /path/to/py3.6-venv/lib/python3.6/site-packages/secretstorage/dhcrypto.py:16: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
    from cryptography.utils import int_from_bytes
  /path/to/py3.6-venv/lib/python3.6/site-packages/secretstorage/util.py:25: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
    from cryptography.utils import int_from_bytes
  ERROR: File "setup.py" not found for legacy project https://anaconda.org/conda-forge/pandoc/2.9.2.1/download/linux-64/pandoc-2.9.2.1-0.tar.bz2 (from -r /tmp/tmpzmyce92g/requirements.txt (line 1)).
  
  
  Or pip download behaviour changed. Downgrade pip or wait for bugfix in this case.
  ----------------------------------------
  ERROR: Failed building wheel for py-pandoc
  Running setup.py clean for py-pandoc
Failed to build py-pandoc
Installing collected packages: py-pandoc
    Running setup.py install for py-pandoc ... error
    ERROR: Command errored out with exit status 1:
     command: /path/to/py3.6-venv/bin/python3 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py'"'"'; __file__='"'"'/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-fbn_103y/install-record.txt --single-version-externally-managed --compile --install-headers /path/to/py3.6-venv/include/site/python3.6/py-pandoc
         cwd: /tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/
    Complete output (29 lines):
    running install
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py", line 172, in <module>
        ) if not conda else {})
      File "/path/to/py3.6-venv/lib/python3.6/site-packages/setuptools/__init__.py", line 153, in setup
        return distutils.core.setup(**attrs)
      File "/usr/lib/python3.6/distutils/core.py", line 148, in setup
        dist.run_commands()
      File "/usr/lib/python3.6/distutils/dist.py", line 955, in run_commands
        self.run_command(cmd)
      File "/usr/lib/python3.6/distutils/dist.py", line 974, in run_command
        cmd_obj.run()
      File "/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py", line 58, in run
        excract_tar_and_move_files(url=URL, **spec)
      File "/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py", line 141, in excract_tar_and_move_files
        raise e
      File "/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py", line 119, in excract_tar_and_move_files
        raise AssertionError('pip download error:\n\n{}\n\nOr pip download behaviour changed. Downgrade pip or wait for bugfix in this case.'.format(stderr))
    AssertionError: pip download error:
    
    /path/to/py3.6-venv/lib/python3.6/site-packages/secretstorage/dhcrypto.py:16: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
      from cryptography.utils import int_from_bytes
    /path/to/py3.6-venv/lib/python3.6/site-packages/secretstorage/util.py:25: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
      from cryptography.utils import int_from_bytes
    ERROR: File "setup.py" not found for legacy project https://anaconda.org/conda-forge/pandoc/2.9.2.1/download/linux-64/pandoc-2.9.2.1-0.tar.bz2 (from -r /tmp/tmpwvik64qr/requirements.txt (line 1)).
    
    
    Or pip download behaviour changed. Downgrade pip or wait for bugfix in this case.
    ----------------------------------------
ERROR: Command errored out with exit status 1: /path/to/py3.6-venv/bin/python3 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py'"'"'; __file__='"'"'/tmp/pip-install-pc5bm0lv/py-pandoc_a991d3af2194481cbcf816aa0afb2d30/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-fbn_103y/install-record.txt --single-version-externally-managed --compile --install-headers /path/to/py3.6-venv/include/site/python3.6/py-pandoc Check the logs for full command output.

Python 3.8 error message:

$ pip --version
pip 21.1.3 from /path/to/py3.8-venv/lib/python3.8/site-packages/pip (python 3.8)
$
$ pip install py-pandoc
Collecting py-pandoc
  Using cached py-pandoc-2.9.2.1.2.tar.gz (10 kB)
Building wheels for collected packages: py-pandoc
  Building wheel for py-pandoc (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /path/to/py3.8-venv/bin/python -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py'"'"'; __file__='"'"'/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-czb3kuw9
       cwd: /tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/
  Complete output (34 lines):
  running bdist_wheel
  running build
  installing to build/bdist.linux-x86_64/wheel
  running install
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py", line 152, in <module>
      setup(
    File "/path/to/py3.8-venv/lib/python3.8/site-packages/setuptools/__init__.py", line 153, in setup
      return distutils.core.setup(**attrs)
    File "/usr/local/lib/python3.8/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/usr/local/lib/python3.8/distutils/dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "/usr/local/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/path/to/py3.8-venv/lib/python3.8/site-packages/wheel/bdist_wheel.py", line 335, in run
      self.run_command('install')
    File "/usr/local/lib/python3.8/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/usr/local/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py", line 58, in run
      excract_tar_and_move_files(url=URL, **spec)
    File "/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py", line 141, in excract_tar_and_move_files
      raise e
    File "/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py", line 119, in excract_tar_and_move_files
      raise AssertionError('pip download error:\n\n{}\n\nOr pip download behaviour changed. Downgrade pip or wait for bugfix in this case.'.format(stderr))
  AssertionError: pip download error:
  
  ERROR: File "setup.py" not found for legacy project https://anaconda.org/conda-forge/pandoc/2.9.2.1/download/linux-64/pandoc-2.9.2.1-0.tar.bz2 (from -r /tmp/tmpqtfuigwd/requirements.txt (line 1)).
  
  
  Or pip download behaviour changed. Downgrade pip or wait for bugfix in this case.
  ----------------------------------------
  ERROR: Failed building wheel for py-pandoc
  Running setup.py clean for py-pandoc
Failed to build py-pandoc
Installing collected packages: py-pandoc
    Running setup.py install for py-pandoc ... error
    ERROR: Command errored out with exit status 1:
     command: /path/to/py3.8-venv/bin/python -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py'"'"'; __file__='"'"'/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-2gqj69t9/install-record.txt --single-version-externally-managed --compile --install-headers /path/to/py3.8-venv/include/site/python3.8/py-pandoc
         cwd: /tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/
    Complete output (25 lines):
    running install
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py", line 152, in <module>
        setup(
      File "/path/to/py3.8-venv/lib/python3.8/site-packages/setuptools/__init__.py", line 153, in setup
        return distutils.core.setup(**attrs)
      File "/usr/local/lib/python3.8/distutils/core.py", line 148, in setup
        dist.run_commands()
      File "/usr/local/lib/python3.8/distutils/dist.py", line 966, in run_commands
        self.run_command(cmd)
      File "/usr/local/lib/python3.8/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py", line 58, in run
        excract_tar_and_move_files(url=URL, **spec)
      File "/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py", line 141, in excract_tar_and_move_files
        raise e
      File "/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py", line 119, in excract_tar_and_move_files
        raise AssertionError('pip download error:\n\n{}\n\nOr pip download behaviour changed. Downgrade pip or wait for bugfix in this case.'.format(stderr))
    AssertionError: pip download error:
    
    ERROR: File "setup.py" not found for legacy project https://anaconda.org/conda-forge/pandoc/2.9.2.1/download/linux-64/pandoc-2.9.2.1-0.tar.bz2 (from -r /tmp/tmp48wmgg4p/requirements.txt (line 1)).
    
    
    Or pip download behaviour changed. Downgrade pip or wait for bugfix in this case.
    ----------------------------------------
ERROR: Command errored out with exit status 1: /path/to/py3.8-venv/bin/python -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py'"'"'; __file__='"'"'/tmp/pip-install-87e863co/py-pandoc_2de21f5597b74b4abc51dfe3298e78ae/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-2gqj69t9/install-record.txt --single-version-externally-managed --compile --install-headers /path/to/py3.8-venv/include/site/python3.8/py-pandoc Check the logs for full command output.