Eu tenho uma string no formato base64, que representa a imagem PNG. Existe uma maneira de salvar esta imagem no sistema de arquivos, como um arquivo PNG?
Codifiquei a imagem usando flex. Na verdade, é isso que obtenho no servidor (não consigo ver nenhuma imagem depois de qualquer um dos métodos propostos :()
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Respostas:
Começando com
Decodifique os dados usando o codec base64 e grave-os no sistema de arquivos.
Modernizando este exemplo para Python 3, que removeu o suporte a codec arbitrário de string / bytes
.encode()
e.decode()
funções:fonte
b'foobar'
porque não estou fazendo a string embutidaSe o imagestr fosse dados de bitmap (que agora sabemos que não são), você poderia usar isso
imagestr
é a string codificada em base64width
é a largura da imagemheight
é a altura da imagemUma vez que a imagem é apenas os dados PNG codificados
fonte
Você também pode salvá-lo em um buffer de string e fazer o que quiser com ele,
No django, você pode salvá-lo como um arquivo enviado para salvar em um modelo:
Ou envie por e-mail:
fonte
Você pode usar travesseiro.
referência para o código-fonte completo: https://abhisheksharma.online/convert-base64-blob-to-image-file-in-python/
fonte
fonte
Você provavelmente poderia usar o objeto do pacote PyPNG
png.Reader
para fazer isso - decodificar a string de base64 em uma string regular (por meio dabase64
biblioteca padrão) e passá-la para o construtor.fonte
Experimente esta solução,
arquivo de imagem -> string codificada binária
string codificada binária -> arquivo de imagem
Referências:
fonte
Se você está tentando decodificar uma imagem da web, você pode simplesmente usar isto:
data => é a string codificada
Ele cuidará dos erros de preenchimento
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