July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Content preview from Python数据处理
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74
｜
第
5
章
5.2
解析
PDF
的编程方法
处理
PDF
要比
Excel
文件更加困难，因为每一个
PDF
文件的格式都不可预知。（如果你有
一系列
PDF
文件，那么就可以对文件进行解析了，因为这些文档的格式很可能是一致的。）
PDF
工具处理文档的方法有很多种，其中一种方法是将
PDF
转换成文本。在我们写作本
书的同时，
Danielle Cervantes
在
NICAR
上做了一个关于
PDF
工具的演讲，
NICAR
是一个
针对记者的
listserv
1
。这个演讲汇总了下列
PDF
解析工具：
• ABBYY
’
s Transformer
• Able2ExtractPro
• Acrobat Professional
• Adobe Reader
• Apache Tika
• Cogniview
’
s PDF to Excel
• CometDocs
• Docsplit
• Nitro Pro
• PDF XChange Viewer
•
pdfminer
•
pdftk
•
pdftotext
• Poppler
• Tabula
• Tesseract
• xPDF
• Zamzar
除了上面这些工具，你还可以用许多编程语言来解析
PDF
，其中包括
Python
。
仅因为你知道类似
Python
这样的工具，并不意味着它总是解决问题的最佳工
具。考虑到可用的工具有很多种，你可能会发现用另一个工具来完成部分任
务（比如数据提取）更加容易。保持开放的心态，事先对各种可用的工具进
行调研。
在
4.1
节中提到过，
PyPI
网站是查找
Python ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.