使用Visual Studio 2015库安装dlib时遇报错求助

Hey there, let's work through this dlib installation issue you're hitting. The key error here is package init file 'dlib\__init__.py' not found—this usually points to either an incomplete source package or a misconfigured build environment. Here's how to fix it step by step:

1. Ensure You Have the Complete dlib Source Code #

The missing __init__.py suggests your downloaded dlib package might be incomplete. Instead of grabbing a partial zip, grab the full source from the official repo:

• Open your terminal/command prompt and run:

  git clone https://github.com/davisking/dlib.git
  

• Once cloned, navigate into the dlib root directory (this is where the setup.py file lives—don't go into the nested dlib subfolder yet).

2. Verify Visual Studio 2015 Configuration #

Dlib requires a working C++ build chain, so double-check these:

• Make sure you installed the C++ Development Tools when setting up VS2015. This includes the compiler, Windows SDK, and related components. If you skipped this, re-run the VS installer and add those components.
• Use the correct VS command prompt: Launch the "VS2015 x64 Native Tools Command Prompt" (or x86 if your Python is 32-bit). This ensures all compiler environment variables are properly set—running the install from a regular command prompt won't have these.

3. Run the Install Correctly #

From the VS command prompt:

• If you're using a virtual environment, activate it first.
• Navigate to the dlib root directory (where setup.py is located).
• Run one of these commands (pip is more reliable for dependency handling):

  pip install .
  

  Or if you prefer setup.py directly:

  python setup.py install
  

4. Alternative: Use a Pre-built Wheel (Skip Compilation) #

If compiling still gives you trouble, you can use a pre-built dlib wheel package that matches your Python version and Windows architecture. Once you've downloaded the correct .whl file, install it with:

pip install dlib-<version>-<python-tag>-<arch>.whl

This should resolve the missing __init__.py error and get dlib installed properly.

内容的提问来源于stack exchange，提问作者Mouhsine Elachbi