Weasyprint在调用WRITE_pdf：&Quot；AttributeError：&#39；PosiPath&#39；对象没有属性&#39；Read_Text&#39；时获取未定义的属性

Weasyprint get undefined property at invoking write_pdf: quot;AttributeError: #39;PosixPath#39; object has no attribute #39;read_text#39;quot;(Weasyprint在调用WRITE_pdf：Quot；AttributeError：#39；PosiPath#39；对象没有属性#39；Read_Text#39；时获取未定义的属性) - IT屋-程序员软件开发技术分

问题描述

我在ubuntu 18.04上运行weasyprint项目，并尝试创建一个pdf。

当我尝试设置页脚图像时，问题开始了。我使用的是python3.6.7

这是我调用weasyprint的代码：

import sys
import os
from weasyprint import HTML, CSS

htmlFile = sys.argv[1]
pdfFile = sys.argv[2]

html = HTML(filename=htmlFile)

css = CSS(string='@page { @bottom-center { width: 125%; margin-top: 10px; content: " "; background-image: url(file://' + os.getcwd() + '/pdf/footer.png); background-repeat: no-repeat; background-position: right;  background-size: 100%; } }')

html.write_pdf(pdfFile, stylesheets=[css])

但随后我收到以下错误：

Error: Command failed: python3 /node_modules/my-project/python/run.py /node_modules/my-project/pdf/catalog_01e299a3-1fca-482b-a512-e1bea832559f.html /node_modules/my-project/pdf/catalog_01e299a3-1fca-482b-a512-e1bea832559f.pdf
Traceback (most recent call last):
File "/node_modules/my-project/python/run.py", line 3, in <module>
    from weasyprint import HTML, CSS
File "/node_modules/my-project/python/weasyprint/__init__.py", line 394, in <module>
    from .css import preprocess_stylesheet  # noqa
File "/node_modules/my-project/python/weasyprint/css/__init__.py", line 25, in <module>
    from . import computed_values
File "/node_modules/my-project/python/weasyprint/css/computed_values.py", line 17, in <module>
    from .. import text
File "/node_modules/my-project/python/weasyprint/text.py", line 14, in <module>
    import cairocffi as cairo
File "/node_modules/my-project/python/cairocffi/__init__.py", line 19, in <module>
    VERSION = __version__ = (Path(__file__).parent / 'VERSION').read_text().strip()
AttributeError: 'PosixPath' object has no attribute 'read_text'

推荐答案

我在这里得到一些帮助后解决了这个问题： https://github.com/Kozea/WeasyPrint/issues/807

问题恢复到下面：

在我的PYHTON项目中，我得到了一个Requiriments s.txt，并将pathlib作为需求。不知怎么的，这个路径库覆盖了当前安装的库，尽管它安装了python3.5或更高版本。 当我删除此依赖项时，问题就解决了。

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