使用Python将JSON数据拆分为多个文件

Question

I have this file where i have parsed from the internet. In there it consists of a json formatted file.

I am trying to split this file into smaller parts.

for example :

Original file :

{
 "kind": "customsearch#search",
 "url": {
  "type": "application/json",
  "template": "https://www.googleapis.com/customsearch/v1?q={searchTerms}&num={count?}&start={startIndex?}&lr={language?}&safe={safe?}&cx={cx?}&cref={cref?}&sort={sort?}&filter={filter?}&gl={gl?}&cr={cr?}&googlehost={googleHost?}&c2coff={disableCnTwTranslation?}&hq={hq?}&hl={hl?}&siteSearch={siteSearch?}&siteSearchFilter={siteSearchFilter?}&exactTerms={exactTerms?}&excludeTerms={excludeTerms?}&linkSite={linkSite?}&orTerms={orTerms?}&relatedSite={relatedSite?}&dateRestrict={dateRestrict?}&lowRange={lowRange?}&highRange={highRange?}&searchType={searchType}&fileType={fileType?}&rights={rights?}&imgSize={imgSize?}&imgType={imgType?}&imgColorType={imgColorType?}&imgDominantColor={imgDominantColor?}&alt=json"
 },
 "queries": {
  "nextPage": [
   {
    "title": "Google Custom Search - pagerank",
    "totalResults": "14700000",
    "searchTerms": "pagerank",
    "count": 10,
    "startIndex": 11,
    "inputEncoding": "utf8",
    "outputEncoding": "utf8",
    "safe": "off",
    "cx": "017576662512468239146:omuauf_lfve"
   }
  ],
  "request": [
   {
    "title": "Google Custom Search - pagerank",
    "totalResults": "14700000",
    "searchTerms": "pagerank",
    "count": 10,
    "startIndex": 1,
    "inputEncoding": "utf8",
    "outputEncoding": "utf8",
    "safe": "off",
    "cx": "017576662512468239146:omuauf_lfve"
   }
  ]
 },
 "context": {
  "title": "CS Curriculum",
  "facets": [
   [
    {
     "label": "lectures",
     "anchor": "Lectures",
     "label_with_op": "more:lectures"
    }
   ],
   [
    {
     "label": "assignments",
     "anchor": "Assignments",
     "label_with_op": "more:assignments"
    }
   ],
   [
    {
     "label": "reference",
     "anchor": "Reference",
     "label_with_op": "more:reference"
    }
   ]
  ]
 },
 "searchInformation": {
  "searchTime": 0.239874,
  "formattedSearchTime": "0.24",
  "totalResults": "14700000",
  "formattedTotalResults": "14,700,000"
 },
 "items": [
  {
   "kind": "customsearch#result",
   "title": "Lecture slides on PageRank",
   "htmlTitle": "Lecture slides on \u003cb\u003ePageRank\u003c/b\u003e",
   "link": "https://www.cs.utexas.edu/users/novak/lec5-pagerank.ppt",
   "displayLink": "www.cs.utexas.edu",
   "snippet": "Distributed Computing Seminar. Lecture 5: Graph Algorithms & PageRank. \nChristophe Bisciglia, Aaron Kimball, & Sierra Michels-Slettvet. Summer 2007.",
   "htmlSnippet": "Distributed Computing Seminar. Lecture 5: Graph Algorithms & \u003cb\u003ePageRank\u003c/b\u003e. \u003cbr\u003e\nChristophe Bisciglia, Aaron Kimball, & Sierra Michels-Slettvet. Summer 2007.",
   "cacheId": "CwgPK6hTEZQJ",
   "mime": "application/vnd.ms-powerpoint",
   "fileFormat": "Microsoft Powerpoint",
   "formattedUrl": "https://www.cs.utexas.edu/users/novak/lec5-pagerank.ppt",
   "htmlFormattedUrl": "https://www.cs.utexas.edu/users/novak/lec5-\u003cb\u003epagerank\u003c/b\u003e.ppt",
   "pagemap": {
    "metatags": [
     {
      "author": "jhebert",
      "last saved by": "Google"
     }
    ]
   }
  },
  {
   "kind": "customsearch#result",
   "title": "The PageRank Citation Ranking: Bringing Order to the Web January ...",
   "htmlTitle": "The \u003cb\u003ePageRank\u003c/b\u003e Citation Ranking: Bringing Order to the Web January \u003cb\u003e...\u003c/b\u003e",
   "link": "http://www.cis.upenn.edu/~mkearns/teaching/NetworkedLife/pagerank.pdf",
   "displayLink": "www.cis.upenn.edu",
   "snippet": "Jan 29, 1998 ... We compare PageRank to an idealized random Web surfer. We show how to ... \nThis ranking, called PageRank, helps search engines and.",
   "htmlSnippet": "Jan 29, 1998 \u003cb\u003e...\u003c/b\u003e We compare \u003cb\u003ePageRank\u003c/b\u003e to an idealized random Web surfer. We show how to ... \u003cbr\u003e\nThis ranking, called \u003cb\u003ePageRank\u003c/b\u003e, helps search engines and.",
   "cacheId": "akmuPYNhiKMJ",
   "mime": "application/pdf",
   "fileFormat": "PDF/Adobe Acrobat",
   "formattedUrl": "www.cis.upenn.edu/~mkearns/teaching/.../pagerank.pdf",
   "htmlFormattedUrl": "www.cis.upenn.edu/~mkearns/teaching/.../\u003cb\u003epagerank\u003c/b\u003e.pdf",
   "pagemap": {
    "cse_image": [
     {
      "src": "x-raw-image:///9a2d934c7c41f83c4c97c3fb9a4cb4cc8fbcb453aaf1002ed6f970005773aa0e"
     }
    ],
    "cse_thumbnail": [
     {
      "width": "262",
      "height": "193",
      "src": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQcCouA-BJlMWA0HZNMSxsXzbqIZzgu6tXXRqiuse2sttpJaNK2b0cNbm4"
     }
    ],
    "metatags": [
     {
      "producer": "AFPL Ghostscript 7.0",
      "creator": "dvipsk 5.58f Copyright 1986, 1994 Radical Eye Software",
      "title": "prpaperdraft.dvi"
     }
    ]
   }
  },
  {
   "kind": "customsearch#result",
   "title": "MATH 51 LECTURE NOTES: HOW GOOGLE RANKS WEB PAGES ...",
   "htmlTitle": "MATH 51 LECTURE NOTES: HOW GOOGLE RANKS WEB PAGES \u003cb\u003e...\u003c/b\u003e",
   "link": "http://stanford.edu/class/math51/PageRank.pdf",
   "displayLink": "stanford.edu",
   "snippet": "Google's method1 is called the PageRank algorithm and was developed by \nGoogle founders Sergey Brin and Larry Page while they were graduate students.",
   "htmlSnippet": "Google's method1 is called the \u003cb\u003ePageRank\u003c/b\u003e algorithm and was developed by \u003cbr\u003e\nGoogle founders Sergey Brin and Larry Page while they were graduate students.",
   "cacheId": "RKV6ZEmHrjUJ",
   "mime": "application/pdf",
   "fileFormat": "PDF/Adobe Acrobat",
   "formattedUrl": "stanford.edu/class/math51/PageRank.pdf",
   "htmlFormattedUrl": "stanford.edu/class/math51/\u003cb\u003ePageRank\u003c/b\u003e.pdf",
   "pagemap": {
    "metatags": [
     {
      "producer": "pdfTeX-1.40.13",
      "creator": "TeX",
      "creationdate": "D:20130604152429-07'00'",
      "moddate": "D:20130604152429-07'00'",
      "fullbanner": "This is pdfTeX, Version 3.1415926-2.4-1.40.13 (TeX Live 2012) kpathsea version 6.1.0"
     }
    ]
   }
  },

File after processing

{u'snippet': u'Distributed Computing Seminar. Lecture 5: Graph Algorithms & PageRank. \\nChristophe Bisciglia, Aaron Kimball, & Sierra Michels-Slettvet. Summer 2007.', u'title': u'Lecture slides on PageRank'} {u'snippet': u'Jan 29, 1998 ... We compare PageRank to an idealized random Web surfer. We show how to ... \\nThis ranking, called PageRank, helps search engines and.', u'title': u'The PageRank Citation Ranking: Bringing Order to the Web January ...'} {u'snippet': u"Google's method1 is called the PageRank algorithm and was developed by \\nGoogle founders Sergey Brin and Larry Page while they were graduate students.", u'title': u'MATH 51 LECTURE NOTES: HOW GOOGLE RANKS WEB PAGES ...'}

into three different text files/.txt files/.json files

each beggining with {u'snippet' ... '}

an trying to do this to run a text comparison process

PS: I have edited out the only parts that i need which are title and snippet parts. Thus i might have lost the json formatting in those processes.

Answer 1

Since you seem to be able to find the correct parts of your input, you should be able to write it to independent files. I assume that you have some kind of loop where you find the relevant data:

fileno = 1
while True:  # or whatever you use to loop over your input
    # parse input
    # ...
    # have the 'snippet'-part in a variable
    with open('file_{:02d}.txt'.format(fileno), 'w') as f:
        fileno += 1
        f.write(snippet_var + "\n")

This will give you numbered files, starting from 1 with leading zeros. If my assumptions are wrong, please update your question to display your current way of doing things.

Furthermore, I would advise against your "preprocessing" if all you want to do is extracting the "snippet" property of JSON objects.