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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">Used below to install Openslide and python3-openslide as described @ https://launchpad.net/~openslide/+archive/ubuntu/openslide:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">apt install software-properties-common<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">add-apt-repository ppa:openslide/openslide<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"># for OpenSlide:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">apt install openslide-tools<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"># for OpenSlide Python:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">apt install python3-openslide<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">When trying to ‘import openslide’ in a python 3.9.13 environment I get the following error message:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">ImportError Traceback (most recent call last)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">Input In [1], in <cell line: 1>()<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">----> 1 import openslide<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">File /usr/lib/python3/dist-packages/openslide/__init__.py:31, in <module><o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"> 27 from io import BytesIO<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"> 29 from PIL import Image, ImageCms<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">---> 31 from openslide import lowlevel<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"> 33 # For the benefit of library users<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"> 34 from openslide._version import __version__ # noqa: F401 module-imported-but-unused<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">File /usr/lib/python3/dist-packages/openslide/lowlevel.py:51, in <module><o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"> 47 import platform<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"> 49 from PIL import Image<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">---> 51 from . import _convert<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"> 54 def _load_library():<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"> 55 def try_load(names):<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:red">ImportError: cannot import name '_convert' from partially initialized module 'openslide' (most likely due to a circular import) (/usr/lib/python3/dist-packages/openslide/__init__.py)<o:p></o:p></span></i></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">Seems _convert is actually named _convert.c in the current github version – do I need to have a c++ compiler installed also to get this to work?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">Finn Benned<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><b><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray">Finn Benned Hansen<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA">Gæsteforsker</span><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black;mso-fareast-language:DA"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><b><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray">Københavns Universitet<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA">Biomedicinsk Institut<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA">Blegdamsvej 3<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA">København N.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><a href="mailto:finn.hansen@sund.ku.dk" title="finn.hansen@sund.ku.dk"><u><span style="color:gray;text-decoration:none">finn.hansen@sund.ku.dk</span></u></a><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:12.0pt"><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray"><img border="0" width="251" height="87" style="width:2.6145in;height:.9062in" id="Picture_x0020_2" src="cid:image001.png@01DA4D50.779A6320" alt="Logo for Københavns Universitet"></span><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray">
</span><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><a href="https://informationssikkerhed.ku.dk/persondatabeskyttelse/privatlivspolitik/"><u><span style="color:gray;text-decoration:none">Sådan
beskytter vi persondata</span></u></a><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:8.0pt"><span lang="DA" style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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