我读了一些不鼓励使用DYLD_LIBRARY_PATH的文章,因为动态库的路径应该使用-install_name,@ aptath和@loader_path来修复.
在制作在Linux和Mac OS X上运行的程序方面,Mac OS X的DYLD_LIBRARY_PATH正好与Linux的LD_LIBRARY_PATH完全相同.而且,我们可以(几乎)共享同一个没有-install_name和@rpath的make文件.
当我尝试运行命令时:
import psycopg2
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我收到错误:
ImportError: dlopen(/Users/gwulfs/anaconda/lib/python2.7/site-packages/psycopg2/_psycopg.so, 2): Library not loaded: libssl.1.0.0.dylib
  Referenced from: /Users/gwulfs/anaconda/lib/python2.7/site-packages/psycopg2/_psycopg.so
  Reason: image not found
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到目前为止,我已经尝试brew install openssl并引用(没有运气):
psycopg2安装错误 - 未加载库:libssl.dylib
http://joshuakehn.com/2013/10/13/Postgresapp-and-psycopg2-on-OS-X.html
我是Python的新手,并试图为我的for循环实现一个多处理模块.
我有一个存储在img_urls中的Image url数组,我需要下载并应用一些Google愿景.
if __name__ == '__main__':
    img_urls = [ALL_MY_Image_URLS]
    runAll(img_urls)
    print("--- %s seconds ---" % (time.time() - start_time)) 
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这是我的runAll()方法
def runAll(img_urls):
    num_cores = multiprocessing.cpu_count()
    print("Image URLS  {}",len(img_urls))
    if len(img_urls) > 2:
        numberOfImages = 0
    else:
        numberOfImages = 1
    start_timeProcess = time.time()
    pool = multiprocessing.Pool()
    pool.map(annotate,img_urls)
    end_timeProcess = time.time()
    print('\n Time to complete ', end_timeProcess-start_timeProcess)
    print(full_matching_pages)
def annotate(img_path):
    file =  requests.get(img_path).content
    print("file is",file)
    """Returns web annotations given the path to an image."""
    print('Process Working under ',os.getpid())
    image = types.Image(content=file)
    web_detection …Run Code Online (Sandbox Code Playgroud) 我刚刚在 Macbook 上从 Mojave 升级到 macOS Catalina,并尝试从终端运行 python3 脚本,如下所示:python3 scriptname.py 我在终端中没有得到响应,然后出现错误:Python 意外退出并显示以下报告:请帮忙我解决了这个问题,或者我如何降级到莫哈韦沙漠,因为我需要它来工作
Process:               Python [2726]
Path:                  /Library/Frameworks/Python.framework/Versions/3.7/Resources/Python.app/Contents/MacOS/Python
Identifier:            Python
Version:               3.7.4 (3.7.4)
Code Type:             X86-64 (Native)
Parent Process:        Python [2723]
Responsible:           Terminal [1574]
User ID:               501
Date/Time:             2020-01-23 23:24:33.722 +0000
OS Version:            Mac OS X 10.15.2 (19C57)
Report Version:        12
Anonymous UUID:        xxxx
Time Awake Since Boot: 1700 seconds
System Integrity Protection: enabled
Crashed Thread:        1  Dispatch queue: com.apple.root.default-qos
Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000110
Exception Note: …Run Code Online (Sandbox Code Playgroud) 我刚刚升级到 macOS Catalina,我已经使用了brew install dpkg,自制软件决定是时候运行brew cleanup.
跑完之后,我pip3再也跑不动了。
尝试运行brew doctor和brew reinstall python3,但没有任何帮助。
运行 pip3 输出:
[1]    26346 abort      pip3
python ×4
macos ×3
database ×1
dll ×1
homebrew ×1
pip ×1
postgresql ×1
python-2.7 ×1
python-3.x ×1