Usando o Poetry para gerenciar um pequeno projeto em Python, me deparo com o seguinte erro ao instalar uma dependência:
comando:
$ poetry add newspaper3k Using version ^0.2.8 for newspaper3k Updating dependencies Resolving dependencies... (1.3s) [ReadError] file could not be opened successfully Falhou ao instalar a dependência.
Executei o mesmo comando acima passando -vvv para exibir as mensagens de debug, omiti parte do debug com [...] pra não ficar muito extenso:
$ poetry add newspaper3k -vvv Using virtualenv: [...] PyPI: 18 packages found for newspaper3k * Using version ^0.2.8 for newspaper3k Updating dependencies Resolving dependencies... [...] PyPI: 1 packages found for newspaper3k >=0.2.8,<0.3.0 [...] 1: selecting feedfinder2 (0.0.4) PyPI: Getting info for feedparser (5.2.1) from PyPI PyPI: No dependencies found, downloading archives PyPI: Downloading sdist: feedparser-5.2.1.tar.bz2 1: Version solving took 0.791 seconds. 1: Tried 1 solutions. [ReadError] file could not be opened successfully Traceback (most recent call last): [...] "/home/jhoonb/.poetry/lib/poetry/_vendor/py3.8/pkginfo/sdist.py", line 26, in _get_archive archive = tarfile.TarFile.open(fqn) File "/home/jhoonb/.asdf/installs/python/3.8.2/lib/python3.8/tarfile.py", line 1604, in open raise ReadError("file could not be opened successfully") O instalador tentou baixar e abrir a seguinte lib feedparser-5.2.1.tar.bz2, não conseguiu e retornou erro file could not be opened successfully.
a lib newspaper3k depende de feedparser, mas por algum motivo quebrou na instalação.
Tentando instalar a dependência que quebrou via poetry:
$ poetry add feedparser -vvv [...] PyPI: 12 packages found for feedparser * Using version ^5.2.1 for feedparser Updating dependencies Resolving dependencies... [...] PyPI: 1 packages found for feedparser >=5.2.1,<6.0.0 PyPI: Getting info for feedparser (5.2.1) from PyPI PyPI: No dependencies found, downloading archives PyPI: Downloading sdist: feedparser-5.2.1.tar.bz2 1: Version solving took 0.759 seconds. 1: Tried 1 solutions. [ReadError] file could not be opened successfully Traceback (most recent call last): File [...] "/home/jhoonb/.asdf/installs/python/3.8.2/lib/python3.8/tarfile.py", line 1604, in open raise ReadError("file could not be opened successfully") Não conseguimos instalar a lib. Mas tentando instalar pelo pip a instalação é concluída:
$ pip3 install feedparser pip3 install feedparser Collecting feedparser Using cached feedparser-5.2.1.tar.gz (252 kB) Building wheels for collected packages: feedparser Building wheel for feedparser (setup.py) ... done Created wheel for feedparser: filename=feedparser-5.2.1-py3-none-any.whl size=44939 [...] Successfully built feedparser Installing collected packages: feedparser Successfully installed feedparser-5.2.1 O problema deve ser no poetry, vamos tentar instalar essa dependência apontando para github, no branch master, porque por padrão o branch é develop:
$ poetry add git+https://github.com/kurtmckee/feedparser.git#master Updating dependencies Resolving dependencies... (14.3s) Writing lock file Package operations: 1 install, 0 updates, 0 removals - Installing feedparser (5.2.1 cf41851) Instalado com sucesso! Agora vamos tentar instalar a lib newspaper3k:
$ poetry add newspaper3k Using version ^0.2.8 for newspaper3k Updating dependencies Resolving dependencies... (16.2s) Writing lock file Package operations: 23 installs, 0 updates, 0 removals - Installing certifi (2020.6.20) - Installing chardet (3.0.4) - Installing idna (2.10) - Installing urllib3 (1.25.9) - Installing requests (2.24.0) - Installing soupsieve (1.9.6) - Installing beautifulsoup4 (4.9.1) - Installing click (7.1.2) - Installing joblib (0.16.0) - Installing regex (2020.6.8) - Installing requests-file (1.5.1) - Installing tqdm (4.47.0) - Installing cssselect (1.1.0) - Installing feedfinder2 (0.0.4) - Installing jieba3k (0.35.1) - Installing lxml (4.5.1) - Installing nltk (3.5) - Installing pillow (7.2.0) - Installing python-dateutil (2.8.1) - Installing pyyaml (5.3.1) - Installing tinysegmenter (0.3) - Installing tldextract (2.2.2) - Installing newspaper3k (0.2.8) Conseguimos instalar! Tivemos que adicionar a dependência feedparser diretamente em nosso projeto apontando para git em branch master.
Fica em aberto a questão do poetry não conseguir instalar a lib newspaper3k com a dependência diretamente. O pip conseguiu resolver o problema.
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