叶焦点

从 pdf 文件中提取结构化文本。

安装

使用 pip 从 PyPI 安装：

pip install leaf-focus

下载Xpdf 命令行工具并解压可执行文件。

将包含可执行文件的目录提供为--exe-dir.

用法

usage: leaf-focus [-h] [--version] --exe-dir EXE_DIR [--page-images] [--ocr]
                  [--first FIRST] [--last LAST]
                  [--log-level {debug,info,warning,error,critical}]
                  input_pdf output_dir

Extract structured text from a pdf file.

positional arguments:
  input_pdf             path to the pdf file to read
  output_dir            path to the directory to save the extracted text files

optional arguments:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  --exe-dir EXE_DIR     path to the directory containing xpdf executable files
  --page-images         save each page of the pdf as a separate image
  --ocr                 run optical character recognition on each page of the
                        pdf
  --first FIRST         the first pdf page to process
  --last LAST           the last pdf page to process
  --log-level {debug,info,warning,error,critical}
                        the log level: debug, info, warning, error, critical

例子

# Extract the pdf information and embedded text.
leaf-focus --exe-dir [path-to-xpdf-exe-dir] file.pdf file-pages

# Extract the pdf information, embedded text, an image of each page, and Optical Character Recognition results of each page.
leaf-focus --exe-dir [path-to-xpdf-exe-dir] file.pdf file-pages --ocr