can not load complete.zip parts library

[hgschmie]

MacOS 10.15.7, python 3.8.6 (installed from homebrew)

pyldraw installed from git repo (git clone ... pip3 install . )

when running ldr2png:

❯ ldr2png --help
retrieve the complete.zip from ldraw.org ...
unzipping the complete.zip ...
mklist...
generate ldraw.library.colours...
generate ldraw.library.parts, this might take a long time...
section minifig|hats ... |################################| 36/36
section minifig|heads ... |################################| 339/339
section minifig|torsos ... |################################| 498/498
section minifig|legs ... |################################| 122/122
section minifig|arms ... |################################| 22/22
section minifig|hands ... |################################| 11/11
section minifig|accessories ... |################################| 894/894
section minifig| ... |################################| 141/141
section animal ... |################################| 251/251
section antenna ... |################################| 9/9
section arch ... |################################| 36/36
section arm ... |################################| 33/33
section ball ... |################################| 6/6
section sphere ... |################################| 16/16
section bar ... |################################| 68/68
section container ... |################################| 101/101
section baseplate ... |################################| 197/197
section electric ... |################################| 811/811
section electric| ... |################################| 1/1
section electric|~ ... |################################| 4/4
"""
__init__.py - Package file for the ldraw Python package.

Copyright (C) 2008 David Boddie <[email protected]>

This file is part of the ldraw Python package.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""
import hashlib
import imp
import os
import shutil
import sys
import zipfile
from distutils.dir_util import copy_tree
from urllib.request import urlretrieve

from mklist.generate import generate_parts_lst
from pkg_resources import get_distribution, DistributionNotFound

from ldraw.config import get_config, write_config
from ldraw.dirs import get_data_dir, get_config_dir, get_cache_dir
from ldraw.generation.colours import gen_colours
from ldraw.generation.parts import gen_parts
from ldraw.parts import Parts
from ldraw.utils import ensure_exists

try:
    __version__ = get_distribution(__name__).version
except DistributionNotFound:
    # package is not installed
    pass

LDRAW_URL = 'http://www.ldraw.org/library/updates/complete.zip'
LIBRARY_INIT = """\"\"\" the ldraw.library module, auto-generated \"\"\"
__all__ = [\'colours\']
"""


def load_lib_from(fullname, library_dir):
    """ load library from a dir """
    dot_split = fullname.split('.')
    dot_split.pop(0)
    lib_name = dot_split[-1]
    lib_dir = os.path.join(library_dir, *tuple(dot_split[:-1]))
    info = imp.find_module(lib_name, [lib_dir])
    library_module = imp.load_module(lib_name, *info)
    return library_module


def load_lib(library_path, fullname):
    """ try to load from library """
    return load_lib_from(fullname, library_path)


"""
__init__.py - Package file for the ldraw Python package.

Copyright (C) 2008 David Boddie <[email protected]>

This file is part of the ldraw Python package.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""
import hashlib
import imp
import os
import shutil
import sys
import zipfile
from distutils.dir_util import copy_tree
from urllib.request import urlretrieve

from mklist.generate import generate_parts_lst
from pkg_resources import get_distribution, DistributionNotFound

from ldraw.config import get_config, write_config
from ldraw.dirs import get_data_dir, get_config_dir, get_cache_dir
from ldraw.generation.colours import gen_colours
from ldraw.generation.parts import gen_parts
from ldraw.parts import Parts
from ldraw.utils import ensure_exists

try:
    __version__ = get_distribution(__name__).version
except DistributionNotFound:
    # package is not installed
    pass

LDRAW_URL = 'http://www.ldraw.org/library/updates/complete.zip'
LIBRARY_INIT = """\"\"\" the ldraw.library module, auto-generated \"\"\"
__all__ = [\'colours\']
"""


def load_lib_from(fullname, library_dir):
    """ load library from a dir """
    dot_split = fullname.split('.')
    dot_split.pop(0)
    lib_name = dot_split[-1]
    lib_dir = os.path.join(library_dir, *tuple(dot_split[:-1]))
    info = imp.find_module(lib_name, [lib_dir])
    library_module = imp.load_module(lib_name, *info)
    return library_module


def load_lib(library_path, fullname):
    """ try to load from library """
    return load_lib_from(fullname, library_path)


def try_download_generate_lib():
    # Download the library and generate it, if needed
    config = get_config()
    parts_lst_path = config['parts.lst']
"""
__init__.py - Package file for the ldraw Python package.

Copyright (C) 2008 David Boddie <[email protected]>

This file is part of the ldraw Python package.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""
import hashlib
import imp
import os
import shutil
import sys
import zipfile
from distutils.dir_util import copy_tree
from urllib.request import urlretrieve

section belville ... |################################| 10/10
section bigfig ... |################################| 8/8
section figure ... |################################| 657/657
"""
__init__.py - Package file for the ldraw Python package.

Copyright (C) 2008 David Boddie <[email protected]>

This file is part of the ldraw Python package.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""
import hashlib
import imp
import os
import shutil
import sys
import zipfile
from distutils.dir_util import copy_tree
from urllib.request import urlretrieve

from mklist.generate import generate_parts_lst
from pkg_resources import get_distribution, DistributionNotFound

from ldraw.config import get_config, write_config
from ldraw.dirs import get_data_dir, get_config_dir, get_cache_dir
from ldraw.generation.colours import gen_colours
from ldraw.generation.parts import gen_parts
from ldraw.parts import Parts
from ldraw.utils import ensure_exists

try:
    __version__ = get_distribution(__name__).version
except DistributionNotFound:
    # package is not installed
    pass

LDRAW_URL = 'http://www.ldraw.org/library/updates/complete.zip'
LIBRARY_INIT = """\"\"\" the ldraw.library module, auto-generated \"\"\"
__all__ = [\'colours\']
"""


def load_lib_from(fullname, library_dir):
    """ load library from a dir """
    dot_split = fullname.split('.')
    dot_split.pop(0)
    lib_name = dot_split[-1]
    lib_dir = os.path.join(library_dir, *tuple(dot_split[:-1]))
    info = imp.find_module(lib_name, [lib_dir])
    library_module = imp.load_module(lib_name, *info)
    return library_module


def load_lib(library_path, fullname):
    """ try to load from library """
    return load_lib_from(fullname, library_path)


def try_download_generate_lib():
    # Download the library and generate it, if needed
    config = get_config()
section bike ... |################################| 34/34
section vehicle ... |################################| 158/158
section constraction ... |################################| 45/45
section boat ... |################################| 103/103
section bracelet ... |################################| 7/7
section bracket ... |################################| 37/37
section brick ... |################################| 954/954
section magnet ... |################################| 16/16
section bucket ... |################################| 10/10
section || ... |################################| 1/1
generate ldraw.library.colours...
generate ldraw.library.parts, this might take a long time...
section minifig|hats ... |################################| 36/36
section minifig|heads ... |################################| 339/339
section minifig|torsos ... |################################| 498/498
section minifig|legs ... |################################| 122/122
section minifig|arms ... |################################| 22/22
section minifig|hands ... |################################| 11/11
section minifig|accessories ... |################################| 894/894
section minifig| ... |################################| 141/141
section animal ... |################################| 251/251
section antenna ... |################################| 9/9
section arch ... |################################| 36/36
section arm ... |################################| 33/33
section ball ... |################################| 6/6
section sphere ... |################################| 16/16
section bar ... |################################| 68/68
section container ... |################################| 101/101
section baseplate ... |################################| 197/197
section electric ... |################################| 811/811
section electric| ... |################################| 1/1
section electric|~ ... |################################| 4/4
section belville ... |################################| 10/10
section bigfig ... |################################| 8/8
section figure ... |################################| 657/657
section bike ... |################################| 34/34
section vehicle ... |################################| 158/158
section constraction ... |################################| 45/45
section boat ... |################################| 103/103
section bracelet ... |################################| 7/7
section bracket ... |################################| 37/37
section brick ... |################################| 954/954
section magnet ... |################################| 16/16
section bucket ... |################################| 10/10
section || ... |################################| 1/1
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/ldraw/__init__.py", line 84, in try_download_generate_lib
    generate(parts_lst_path, ldraw_path)
  File "/usr/local/lib/python3.8/site-packages/ldraw/__init__.py", line 180, in generate
    gen_parts(parts, output_dir)
  File "/usr/local/lib/python3.8/site-packages/ldraw/generation/parts.py", line 73, in gen_parts
    generate_section(parts, parts_dir, section_name, section_parts)
  File "/usr/local/lib/python3.8/site-packages/ldraw/generation/parts.py", line 120, in generate_section
    write_section_file(parts_dir, parts_list, module_path(section_name))
  File "/usr/local/lib/python3.8/site-packages/ldraw/generation/parts.py", line 33, in write_section_file
    with codecs.open(parts_py, 'w', encoding='utf-8') as generated_file:
  File "/usr/local/Cellar/[email protected]/3.8.6/Frameworks/Python.framework/Versions/3.8/lib/python3.8/codecs.py", line 905, in open
    file = builtins.open(filename, mode, buffering)
OSError: [Errno 30] Read-only file system: '//.py'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/ldr2png", line 5, in <module>
    from ldraw.tools.ldr2png import main
  File "/usr/local/lib/python3.8/site-packages/ldraw/tools/ldr2png.py", line 29, in <module>
    from ldraw.writers.png import PNGWriter, PNGArgs
  File "/usr/local/lib/python3.8/site-packages/ldraw/writers/png.py", line 27, in <module>
    from ldraw.writers.common import Writer
  File "/usr/local/lib/python3.8/site-packages/ldraw/writers/common.py", line 7, in <module>
    from ldraw.library.colours import White, Main_Colour
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible
  File "/usr/local/lib/python3.8/site-packages/ldraw/__init__.py", line 152, in load_module
    generated_library_path = try_download_generate_lib()
  File "/usr/local/lib/python3.8/site-packages/ldraw/__init__.py", line 88, in try_download_generate_lib
    generate(parts_lst_path, data_dir)
  File "/usr/local/lib/python3.8/site-packages/ldraw/__init__.py", line 180, in generate
    gen_parts(parts, output_dir)
  File "/usr/local/lib/python3.8/site-packages/ldraw/generation/parts.py", line 73, in gen_parts
    generate_section(parts, parts_dir, section_name, section_parts)
  File "/usr/local/lib/python3.8/site-packages/ldraw/generation/parts.py", line 120, in generate_section
    write_section_file(parts_dir, parts_list, module_path(section_name))
  File "/usr/local/lib/python3.8/site-packages/ldraw/generation/parts.py", line 33, in write_section_file
    with codecs.open(parts_py, 'w', encoding='utf-8') as generated_file:
  File "/usr/local/Cellar/[email protected]/3.8.6/Frameworks/Python.framework/Versions/3.8/lib/python3.8/codecs.py", line 905, in open
    file = builtins.open(filename, mode, buffering)
OSError: [Errno 30] Read-only file system: '//.py'

and stuck. Any ideas?