pdf-extraction

How to export pdf form fields to xml automatically

风格不统一 提交于 2019-12-18 15:18:24
问题 I have a pdf file including form fields and need to export the data into a xml file AUTOMATICALLY . Here is a screen of a sample form I created for testing: Note: It works great exporting it MANUALLY using Acrobat Professional by clicking on Tools > Form > Export Form Data and finally chose xml extension for file output. This is the result I'm getting when I export it manually: <?xml version="1.0" encoding="UTF-8"?> <fields> <first_name>John</first_name> <last_name>Doe</last_name> </fields>

Extract heading as “key” and content as “value” and store it as dictionary in python from PDF

 ̄綄美尐妖づ 提交于 2019-12-11 19:11:23
问题 I want to extract the heading as "key" and the content below it as "value" and store it as dictionary using python from a PDF file. I have tried converting the PDF to html and getting the font name of heading and content and storing it as dictionary but it does not give the expected output. Also I have tried getting the co-ordinates of the text, still does not help. for data in soup.select('span'): print("--",data) if "b'TrebuchetMS-Bold' "in str(data): if key != "": final_json[key] = value

Huge white space after header in PDF using Flying Saucer

ε祈祈猫儿з 提交于 2019-12-10 20:46:30
问题 I am trying to export an HTML page into a PDF using Flying Saucer. For some reason, the pages have a large white space after the header (id = "divTemplateHeaderPage1") divisions. The jsFiddle link to my HTML code that is being used by PDF renderer: https://jsfiddle.net/Sparks245/uhxqdta6/. Below is the Java code used for rendering the PDF (Test.html is the same HTML code in the fiddle) and rendering only one page. import java.io.IOException; import javax.servlet.ServletException; import javax

iText - Get Font size and family of a text segment

馋奶兔 提交于 2019-12-10 17:13:18
问题 I'm currently trying to automatically extract important keywords from a PDF file. I am able to get the text information out of the PDF document. But now I need to know, which font size and font family these keywords have. The following code I already have: Main public static void main(String[] args) throws IOException { String src = "SEM_081145.pdf"; PdfReader reader = new PdfReader(src); SemTextExtractionStrategy semTextExtractionStrategy = new SemTextExtractionStrategy(); PrintWriter out =

Scrapy crawl data inside pdf file

谁都会走 提交于 2019-12-07 18:11:37
问题 I would like to know how to crawl data inside a pdf file using scrapy. Which module should I use and which is the best and effective way?? Could you please give me some sample tutorials on this Thanks!! 回答1: I suggest you get the PDF with Scrapy and use PyPDF2 to get the content inside the PDF. For a complete but somewhat old (using pyPDF) example take a look at this site. 来源: https://stackoverflow.com/questions/31288217/scrapy-crawl-data-inside-pdf-file

How to extract text under specific headings from a pdf?

风格不统一 提交于 2019-12-04 23:22:45
问题 I want to extract text under specific headings from a pdf using python. For example, I have a pdf with headings Introduction,Summary,Contents. I need to extract only the text under the heading 'Summary'. How can I do this? 回答1: This scenario is exactly what I am working on in my current company. We need to extract text lying under a heading. I'm personally using a rule based system i.e, using regex to identify all the numbered headings after reading the entire document line by line. Once I

How to extract text under specific headings from a pdf?

◇◆丶佛笑我妖孽 提交于 2019-12-03 14:41:13
I want to extract text under specific headings from a pdf using python. For example, I have a pdf with headings Introduction,Summary,Contents. I need to extract only the text under the heading 'Summary'. How can I do this? This scenario is exactly what I am working on in my current company. We need to extract text lying under a heading. I'm personally using a rule based system i.e, using regex to identify all the numbered headings after reading the entire document line by line. Once I have the headings I enter the name of the heading for which I want to find the corresponding paragraph. This

iText - Get Font size and family of a text segment

大憨熊 提交于 2019-12-01 19:54:25
I'm currently trying to automatically extract important keywords from a PDF file. I am able to get the text information out of the PDF document. But now I need to know, which font size and font family these keywords have. The following code I already have: Main public static void main(String[] args) throws IOException { String src = "SEM_081145.pdf"; PdfReader reader = new PdfReader(src); SemTextExtractionStrategy semTextExtractionStrategy = new SemTextExtractionStrategy(); PrintWriter out = new PrintWriter(new FileOutputStream(src + ".txt")); Rectangle rect = new Rectangle(70, 80, 490, 580);

How to export pdf form fields to xml automatically

落花浮王杯 提交于 2019-11-30 12:52:50
I have a pdf file including form fields and need to export the data into a xml file AUTOMATICALLY . Here is a screen of a sample form I created for testing: Note: It works great exporting it MANUALLY using Acrobat Professional by clicking on Tools > Form > Export Form Data and finally chose xml extension for file output. This is the result I'm getting when I export it manually: <?xml version="1.0" encoding="UTF-8"?> <fields> <first_name>John</first_name> <last_name>Doe</last_name> </fields> However, I need to automate it, e.g. with a python script , Java implementation or some command line

If identifying text structure in PDF documents is so difficult, how do PDF readers do it so well?

六眼飞鱼酱① 提交于 2019-11-27 17:38:23
I have been trying to write a simple console application or PowerShell script to extract the text from a large number of PDF documents. There are several libraries and CLI tools that offer to do this, but it turns out that none are able to reliably identify document structure. In particular I am concerned with the recognition of text columns. Even the very expensive PDFLib TET tool frequently jumbles the content of two adjacent columns of text. It is frequently noted that the PDF format does not have any concept of columns, or even words. Several answers to similar questions on SO mention this