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From http://stackoverflow.com/a/34116472/14420 in answer to " Extract images from PDF without resampling, in python?"
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| > pip install --upgrade https://github.com/sylvainpelissier/PyPDF2/archive/master.zip | |
| Collecting https://github.com/sylvainpelissier/PyPDF2/archive/master.zip | |
| C:\Python27\ArcGIS10.3\lib\site-packages\pip\_vendor\requests\packages\urllib3\util\ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning. | |
| InsecurePlatformWarning | |
| C:\Python27\ArcGIS10.3\lib\site-packages\pip\_vendor\requests\packages\urllib3\util\ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning. | |
| InsecurePlatformWarning | |
| Downloading https://github.com/sylvainpelissier/PyPDF2/archive/master.zip | |
| | 307kB 5.9MB/s | |
| Installing collected packages: PyPDF2 | |
| Found existing installation: PyPDF2 1.25.1 | |
| Uninstalling PyPDF2-1.25.1: | |
| Successfully uninstalled PyPDF2-1.25.1 | |
| Running setup.py install for PyPDF2 | |
| Successfully installed PyPDF2-1.25.1 | |
| [py27] E:\temp | |
| > pip list | |
| arcplus (0.1, d:\b\code\arcplus) | |
| comtypes (1.1.2) | |
| matplotlib (1.3.0) | |
| numpy (1.7.1) | |
| Pillow (3.0.0) | |
| pip (7.1.2) | |
| pyparsing (1.5.7) | |
| PyPDF2 (1.25.1) | |
| pywin32 (219) | |
| setuptools (15.0) | |
| [py27] E:\temp\pdf-image-extractor | |
| > python pdf-image-extractor.py "Seige of Vicksburg Sample OCR.pdf" | |
| PdfReadWarning: Xref table not zero-indexed. ID numbers for objects will not be corrected. [pdf.py:1722] | |
| Traceback (most recent call last): | |
| File "pdf-image-extractor.py", line 21, in <module> | |
| if xObject[obj]['/Filter'] == '/FlateDecode': | |
| File "C:\Python27\ArcGIS10.3\lib\site-packages\PyPDF2\generic.py", line 512, in __getitem__ | |
| return dict.__getitem__(self, key).getObject() | |
| KeyError: '/Filter' |
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| import PyPDF2 | |
| from PIL import Image | |
| if __name__ == '__main__': | |
| ## pdf = r'e:\temp\dctdecode.pdf' | |
| pdf = r'e:\temp\Seige of Vicksburg Sample OCR.pdf' | |
| input1 = PyPDF2.PdfFileReader(open(pdf, "rb")) | |
| page0 = input1.getPage(0) | |
| xObject = page0['/Resources']['/XObject'].getObject() | |
| for obj in xObject: | |
| if xObject[obj]['/Subtype'] == '/Image': | |
| size = (xObject[obj]['/Width'], xObject[obj]['/Height']) | |
| data = xObject[obj].getData() | |
| if xObject[obj]['/ColorSpace'] == '/DeviceRGB': | |
| mode = "RGB" | |
| else: | |
| mode = "P" | |
| if xObject[obj]['/Filter'] == '/FlateDecode': | |
| img = Image.frombytes(mode, size, data) | |
| img.save(obj[1:] + ".png") | |
| elif xObject[obj]['/Filter'] == '/DCTDecode': | |
| img = open(obj[1:] + ".jpg", "wb") | |
| img.write(data) | |
| img.close() | |
| elif xObject[obj]['/Filter'] == '/JPXDecode': | |
| img = open(obj[1:] + ".jp2", "wb") | |
| img.write(data) | |
| img.close() |
I removed the old result console reports, since the new version makes those errors obsolete.
Traceback (most recent call last):
File "/xx/xx/extract.py", line 16, in <module>
data = xObject[obj].getData()
File "/Library/Python/2.7/site-packages/PyPDF2/generic.py", line 841, in getData
decoded._data = filters.decodeStreamData(self)
File "/Library/Python/2.7/site-packages/PyPDF2/filters.py", line 361, in decodeStreamData
raise NotImplementedError("unsupported filter %s" % filterType)
NotImplementedError: unsupported filter /CCITTFaxDecode
getpdfimage('ana.pdf')
Traceback (most recent call last):
File "", line 1, in
getpdfimage('ana.pdf')
File "", line 9, in getpdfimage
data = xObject[obj].getData()
File "C:\Users\nmb31\Anaconda3\lib\site-packages\PyPDF2\generic.py", line 841, in getData
decoded._data = filters.decodeStreamData(self)
File "C:\Users\nmb31\Anaconda3\lib\site-packages\PyPDF2\filters.py", line 361, in decodeStreamData
raise NotImplementedError("unsupported filter %s" % filterType)
NotImplementedError: unsupported filter /DCTDecode
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pdf's used: