1,Liunx
Linux環境相對比較簡單,兩行命令搞定:
apt install python-openslide #針對ubuntu,其他系統沒測試過
pip install Openslide-python #pip 安裝
2,Windows
windows稍微複雜點,而且會出現不同的狀況
- 在官網下載windows二進制包
https://openslide.org/download/
- 解壓縮下載的壓縮包,並把bin文件夾、lib文件夾放入到環境變量裏
- 執行命令進行安裝
pip install Openslide-python #pip 安裝
- 測試一下import openslide是否可以運行
import openslide
有些人會正常運行,那就跳過不用看下面的了。
有些人會失敗,報錯信息如下:
Python 3.6.10 |Anaconda, Inc.| (default, May 7 2020, 19:46:08) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import openslide
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "d:\ProgramData\Anaconda3\envs\path\lib\site-packages\openslide\__init__.py", line 29, in <module>
from openslide import lowlevel
File "d:\ProgramData\Anaconda3\envs\path\lib\site-packages\openslide\lowlevel.py", line 44, in <module>
_lib = cdll.LoadLibrary('libopenslide-0.dll')
File "d:\ProgramData\Anaconda3\envs\path\lib\ctypes\__init__.py", line 426, in LoadLibrary
return self._dlltype(name)
File "d:\ProgramData\Anaconda3\envs\path\lib\ctypes\__init__.py", line 348, in __init__
self._handle = _dlopen(self._name, mode)
OSError: [WinError 126] 找不到指定的模塊。
這個錯誤是因爲python搜索的bin庫裏沒有找到相應的dll,所以需要做如下操作:
- 找到openslide文件夾下面的lowlevel.py文件
d:\ProgramData\Anaconda3\envs\path\lib\site-packages\openslide\lowlevel.py
- 在lowlevel.py下面增加如下代碼:
import os
# openslide-bin-path爲 openslide 的bin文件夾絕對路徑。
os.environ['PATH'] = "openslide-bin-path" + ";" + os.environ['PATH']
# 例如:
os.environ['PATH'] = "D:\\openslide-win64-20171122\\bin" + ";" + os.environ['PATH']
- 再次運行import openslide進行測試,成功