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ERROR: Failed building wheel for duplicity #38

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Rylan12 opened this issue Aug 2, 2020 · 2 comments
Closed

ERROR: Failed building wheel for duplicity #38

Rylan12 opened this issue Aug 2, 2020 · 2 comments
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bug Something isn't working

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@Rylan12
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Rylan12 commented Aug 2, 2020 •
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Hi there! I've got another bug report from pipgrip on Homebrew.

What you were trying to do (and why)

Find recursive dependencies for duplicity

What happened (including command output)

Failed when collecting duplicity==0.8.14

Command output

$ pipgrip --no-cache-dir duplicity==0.8.14 -vvv
DEBUG: Environment: {'implementation_name': 'cpython', 'implementation_version': '3.8.5', 'os_name': 'posix', 'platform_machine': 'x86_64', 'platform_release': '19.6.0', 'platform_system': 'Darwin', 'platform_version': 'Darwin Kernel Version 19.6.0: Sun Jul  5 00:43:10 PDT 2020; root:xnu-6153.141.1~9/RELEASE_X86_64', 'python_full_version': '3.8.5', 'platform_python_implementation': 'CPython', 'python_version': '3.8', 'sys_platform': 'darwin'}
DEBUG: Pip version: [20, 1, 1]
DEBUG: Downloading/building wheel for duplicity==0.8.14
DEBUG: ['/Users/rylanpolster/Desktop/venv/bin/python', '-m', 'pip', 'wheel', '--no-deps', '--disable-pip-version-check', '--wheel-dir', '/var/folders/lx/jw48rn1j0235pst2sg8qlgp00000gp/T/tmpubpcq7wz', '--index-url', 'https://pypi.org/simple', '--trusted-host', 'pypi.org', '--progress-bar=off', 'duplicity==0.8.14']
ERROR: Collecting duplicity==0.8.14
  Using cached duplicity-0.8.14.tar.gz (1.5 MB)
Building wheels for collected packages: duplicity
  Building wheel for duplicity (setup.py): started
  Building wheel for duplicity (setup.py): finished with status 'error'
  ERROR: Command errored out with exit status 1:
   command: /Users/rylanpolster/Desktop/venv/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/lx/jw48rn1j0235pst2sg8qlgp00000gp/T/pip-wheel-10ckpxot/duplicity/setup.py'"'"'; __file__='"'"'/private/var/folders/lx/jw48rn1j0235pst2sg8qlgp00000gp/T/pip-wheel-10ckpxot/duplicity/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /private/var/folders/lx/jw48rn1j0235pst2sg8qlgp00000gp/T/pip-wheel-ktmuur69
       cwd: /private/var/folders/lx/jw48rn1j0235pst2sg8qlgp00000gp/T/pip-wheel-10ckpxot/duplicity/
  Complete output (189 lines):
  Unable to get SCM version: defaulting to 0.8.14
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.macosx-10.15-x86_64-3.8
  creating build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/tempdir.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/dup_threading.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/backend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/config.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/manifest.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/log.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/util.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/globmatch.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/diffdir.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/commandline.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/librsync.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/dup_time.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/gpg.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/file_naming.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/dup_main.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/asyncscheduler.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/gpginterface.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/robust.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/dup_collections.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/statistics.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/patchdir.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/errors.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/selection.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/progress.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/dup_temp.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/tarfile.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/lazy.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/filechunkio.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/path.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/cached_ops.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  creating build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/megabackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/pydrivebackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/imapbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/ssh_pexpect_backend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/par2backend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/multibackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/s3_boto_backend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/swiftbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/tahoebackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/giobackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/_boto_multi.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/localbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/adbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/sxbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/pcabackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/rclonebackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/_cf_pyrax.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/megav2backend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/mediafirebackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/jottacloudbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/ncftpbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/gdocsbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/cfbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/_cf_cloudfiles.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/_boto_single.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/ssh_paramiko_backend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/hsibackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/onedrivebackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/hubicbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/dpbxbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/s3_boto3_backend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/b2backend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/azurebackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/rsyncbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/lftpbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying duplicity/backends/webdavbackend.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  creating build/lib.macosx-10.15-x86_64-3.8/duplicity/backends/pyrax_identity
  copying duplicity/backends/pyrax_identity/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends/pyrax_identity
  copying duplicity/backends/pyrax_identity/hubic.py -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends/pyrax_identity
  creating build/lib.macosx-10.15-x86_64-3.8/testing
  copying testing/conftest.py -> build/lib.macosx-10.15-x86_64-3.8/testing
  copying testing/fix_unadorned_strings.py -> build/lib.macosx-10.15-x86_64-3.8/testing
  copying testing/find_unadorned_strings.py -> build/lib.macosx-10.15-x86_64-3.8/testing
  copying testing/test_code.py -> build/lib.macosx-10.15-x86_64-3.8/testing
  copying testing/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/testing
  creating build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_verify.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_cleanup.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_selection.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_log.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_final.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_badupload.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_restart.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_replicate.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  copying testing/functional/test_rdiffdir.py -> build/lib.macosx-10.15-x86_64-3.8/testing/functional
  creating build/lib.macosx-10.15-x86_64-3.8/testing/overrides
  copying testing/overrides/gettext.py -> build/lib.macosx-10.15-x86_64-3.8/testing/overrides
  copying testing/overrides/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/testing/overrides
  creating build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_backend.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_statistics.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_tempdir.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_dup_time.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_diffdir.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_gpginterface.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_selection.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_manifest.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_util.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_backend_instance.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_patchdir.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_dup_temp.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_gpg.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_file_naming.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_path.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_collections.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_lazy.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_globmatch.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  copying testing/unit/test_tarfile.py -> build/lib.macosx-10.15-x86_64-3.8/testing/unit
  running egg_info
  writing duplicity.egg-info/PKG-INFO
  writing dependency_links to duplicity.egg-info/dependency_links.txt
  writing requirements to duplicity.egg-info/requires.txt
  writing top-level names to duplicity.egg-info/top_level.txt
  reading manifest file 'duplicity.egg-info/SOURCES.txt'
  writing manifest file 'duplicity.egg-info/SOURCES.txt'
  copying duplicity/_librsyncmodule.c -> build/lib.macosx-10.15-x86_64-3.8/duplicity
  copying duplicity/backends/README -> build/lib.macosx-10.15-x86_64-3.8/duplicity/backends
  copying testing/run-tests -> build/lib.macosx-10.15-x86_64-3.8/testing
  copying testing/testfiles.tar.gz -> build/lib.macosx-10.15-x86_64-3.8/testing
  creating build/lib.macosx-10.15-x86_64-3.8/testing/docker
  copying testing/docker/.env -> build/lib.macosx-10.15-x86_64-3.8/testing/docker
  copying testing/docker/build-duplicity_test.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/docker
  copying testing/docker/docker-compose.yml -> build/lib.macosx-10.15-x86_64-3.8/testing/docker
  copying testing/docker/id_rsa -> build/lib.macosx-10.15-x86_64-3.8/testing/docker
  copying testing/docker/id_rsa.pub -> build/lib.macosx-10.15-x86_64-3.8/testing/docker
  copying testing/docker/setup.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/docker
  copying testing/docker/teardown.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/docker
  creating build/lib.macosx-10.15-x86_64-3.8/testing/docker/duplicity_test
  copying testing/docker/duplicity_test/Dockerfile-18.04 -> build/lib.macosx-10.15-x86_64-3.8/testing/docker/duplicity_test
  copying testing/docker/duplicity_test/Dockerfile-18.10 -> build/lib.macosx-10.15-x86_64-3.8/testing/docker/duplicity_test
  copying testing/docker/duplicity_test/Dockerfile-19.04 -> build/lib.macosx-10.15-x86_64-3.8/testing/docker/duplicity_test
  copying testing/docker/duplicity_test/Dockerfile-19.10 -> build/lib.macosx-10.15-x86_64-3.8/testing/docker/duplicity_test
  copying testing/docker/duplicity_test/Dockerfile-20.04 -> build/lib.macosx-10.15-x86_64-3.8/testing/docker/duplicity_test
  creating build/lib.macosx-10.15-x86_64-3.8/testing/docker/ftp_server
  copying testing/docker/ftp_server/Dockerfile -> build/lib.macosx-10.15-x86_64-3.8/testing/docker/ftp_server
  copying testing/docker/ftp_server/pureftpd.passwd -> build/lib.macosx-10.15-x86_64-3.8/testing/docker/ftp_server
  creating build/lib.macosx-10.15-x86_64-3.8/testing/docker/ssh_server
  copying testing/docker/ssh_server/Dockerfile -> build/lib.macosx-10.15-x86_64-3.8/testing/docker/ssh_server
  creating build/lib.macosx-10.15-x86_64-3.8/testing/gnupg
  copying testing/gnupg/README -> build/lib.macosx-10.15-x86_64-3.8/testing/gnupg
  copying testing/gnupg/gpg-agent.conf -> build/lib.macosx-10.15-x86_64-3.8/testing/gnupg
  copying testing/gnupg/gpg.conf -> build/lib.macosx-10.15-x86_64-3.8/testing/gnupg
  copying testing/gnupg/pubring.gpg -> build/lib.macosx-10.15-x86_64-3.8/testing/gnupg
  copying testing/gnupg/secring.gpg -> build/lib.macosx-10.15-x86_64-3.8/testing/gnupg
  copying testing/gnupg/trustdb.gpg -> build/lib.macosx-10.15-x86_64-3.8/testing/gnupg
  creating build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/__init__.py -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/auto-ctrl-c-test.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/backendtest.py -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/bug1526557.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/bug1846678.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/bug1860200.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/manual-ctrl-c-test.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/multibackend.json -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/multibackend.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/rootfiles.tar.gz -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/roottest.py -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/run-coverage.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/stdin_test.sh -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  copying testing/manual/test_config.py.tmpl -> build/lib.macosx-10.15-x86_64-3.8/testing/manual
  creating build/lib.macosx-10.15-x86_64-3.8/testing/overrides/bin
  copying testing/overrides/bin/hsi -> build/lib.macosx-10.15-x86_64-3.8/testing/overrides/bin
  copying testing/overrides/bin/lftp -> build/lib.macosx-10.15-x86_64-3.8/testing/overrides/bin
  copying testing/overrides/bin/ncftpget -> build/lib.macosx-10.15-x86_64-3.8/testing/overrides/bin
  copying testing/overrides/bin/ncftpls -> build/lib.macosx-10.15-x86_64-3.8/testing/overrides/bin
  copying testing/overrides/bin/ncftpput -> build/lib.macosx-10.15-x86_64-3.8/testing/overrides/bin
  copying testing/overrides/bin/tahoe -> build/lib.macosx-10.15-x86_64-3.8/testing/overrides/bin
  running build_ext
  building 'duplicity._librsync' extension
  creating build/temp.macosx-10.15-x86_64-3.8
  creating build/temp.macosx-10.15-x86_64-3.8/duplicity
  clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers -I/usr/local/include -I/usr/local/opt/[email protected]/include -I/usr/local/opt/sqlite/include -I/Users/rylanpolster/Desktop/venv/include -I/usr/local/opt/[email protected]/Frameworks/Python.framework/Versions/3.8/include/python3.8 -c duplicity/_librsyncmodule.c -o build/temp.macosx-10.15-x86_64-3.8/duplicity/_librsyncmodule.o
  duplicity/_librsyncmodule.c:28:10: fatal error: 'librsync.h' file not found
  #include <librsync.h>
           ^~~~~~~~~~~~
  1 error generated.
  error: command 'clang' failed with exit status 1
  ----------------------------------------
  ERROR: Failed building wheel for duplicity
  Running setup.py clean for duplicity
Failed to build duplicity
ERROR: Failed to build one or more wheels

Error: Command '['/Users/rylanpolster/Desktop/venv/bin/python', '-m', 'pip', 'wheel', '--no-deps', '--disable-pip-version-check', '--wheel-dir', '/var/folders/lx/jw48rn1j0235pst2sg8qlgp00000gp/T/tmpubpcq7wz', '--index-url', 'https://pypi.org/simple', '--trusted-host', 'pypi.org', '--progress-bar=off', 'duplicity==0.8.14']' returned non-zero exit status 1.
<output here>

What you expected to happen

Show recursive dependencies for duplicity

Step-by-step reproduction instructions

pipgrip duplicity==0.8.14 -vvv

Note: I initially encountered this when using Homebrew's pipgrip but I have confirmed that the issue is present pipgrip from PyPI as well. The logs I posted above are from running pipgrip from PyPI in a virtual environment.

When running from Homebrew pipgrip the issue appears to be the same (librsync.h is not found) but with gcc instead of clang in the message. I can provide the output from running Homebrew's pipgrip as well if that would be helpful.
@Rylan12 Rylan12 added the bug Something isn't working label Aug 2, 2020
@ddelange
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ddelange commented Aug 2, 2020 •
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Hey :)

This is an example of a library that depends on one (or more) non-python dependencies (https://github.com/henrysher/duplicity). There are more cases like that, where getting the lib to pip-install is quite the hassle. I'm afraid this is not an easy case to solve, as the user ideally has prior knowledge of this and makes sure those non-python dependencies are installed beforehand.

I've considered before to use the pypi api directly to get requires_dist, but that might pose problems with custom index-urls, and I remember reading somewhere you can't count on it being populated (correctly). Might be worth a shot though for edge cases like this...

In the meantime, I don't think there is a quick fix for this (like going hacky and checking if there's a duplicity Formula with some dependencies or so).

@Rylan12
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Rylan12 commented Aug 2, 2020

That makes sense. From Homebrew's point of view, this isn't a big deal. Homebrew handles the error and displays a nicer message prompting the user to work manually instead. I guess in an ideal world, situations like these could be handled differently but I don't see a need to go down this path (at least from our point of view).

If I have time, I might be able to look into this more and open a PR to add some sort of checking that would get some of the edge cases, but I don't know when I'll have time to get around to it.

Thanks for looking at this, though!

@Rylan12 Rylan12 closed this as completed Aug 2, 2020
@ddelange ddelange mentioned this issue Aug 21, 2020
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