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為什么最后用urlopen讀取線上pdf地址時，讀取信息顯示異常

顯示如下：

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 2096

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 3237

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 884

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 1528

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 703

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 3344

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 4177

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 1492

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 990

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 2082

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 686

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 801

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 703

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 2096

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 3237

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 5196

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 933

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 884

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 1528

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 1492

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 990

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 2082

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 686

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 801

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 4033

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 841

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 686

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 1107

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 1625

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 683

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 2201

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 3647

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 660

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 2059

WARNING:pdfminer.converter:undefined: <PDFCIDFont: basefont='VIKMFH+MSungHK-Light', cidcoding='Adobe-CNS1'>, 2986

...

原來我叫小土慕課網(wǎng)給我改了名字

2016-11-12

源自：python遇見數(shù)據(jù)采集 5-5

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jimcurry4297201 回答被采納 +3 積分
2016-11-16

WARNING:pdfminer.converter:undefined:

i try this, and it works.

import?logging?
logging.Logger.propagate?=?False?
logging.getLogger().setLevel(logging.ERROR)

however , i don't know why !

-------------------------------------------------------------------------------------------------------------------------------------------

it sets the root logger to level Error. This will stop PDFMiner warn logging, since it logs to the root logger, but not your own logging.

I needed to set propagation to False, because after PDFMiner usage, I had duplicate logging entries. This was caused by the root logger.

from:?http://stackoverflow.com/questions/29762706/warnings-on-pdfminer

0 回復(fù) 有任何疑惑可以回復(fù)我~

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#1

原來我叫小土慕課網(wǎng)給我改了名字提問者

非常感謝！

2016-11-16 回復(fù) 有任何疑惑可以回復(fù)我~

#2

KeithTt

厲害，警告是沒了，不過還是顯示不了中文。

2018-08-05 回復(fù) 有任何疑惑可以回復(fù)我~

慕粉5528709
2018-12-03

emmmmmm 對啊，去除警告不是目的，目的是為了顯示中文啊。。。。警告去了，中文還是沒顯示出來。。有啥意義呢

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#1

慕UI5065323

請問這個問題你解決了嗎

2019-03-23 回復(fù) 有任何疑惑可以回復(fù)我~

jimcurry4297201
2016-11-17

回復(fù) 原來我叫小土慕課網(wǎng)給我改了名字：

我後來繼續(xù)做發(fā)現(xiàn) pdf 分兩種?

1.文字轉(zhuǎn)pdf => 用pdfminerk3 處理轉(zhuǎn)回txt

2.圖片轉(zhuǎn)pdf=> 用Tesseract (OCR庫)處理轉(zhuǎn)回txt

所以上面那篇如果轉(zhuǎn)出來還是沒東西的話?

可以用Tesseract (OCR庫)試試看?

我最後用下面幾個庫解決pdf是圖檔狀態(tài)下的問題

tesseract ( OCR庫命令在python外執(zhí)行 )

pyocr ? ? (tesseract ?python 庫的接口 )?

pillow ? （p3從python圖像庫PIL分出來的 )

imagemagick

wand ? ? ?(imagemagick python 庫的接口 )?

0 回復(fù) 有任何疑惑可以回復(fù)我~

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