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I am installing this https://github.com/wkentaro/pytorch-fcn. It tells me to do this instruction.

git clone https://github.com/wkentaro/pytorch-fcn.git
cd pytorch-fcn
pip install .

What does pip install . mean ? Which folder or file am i running by just typing dot ? setup.py ?

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  • 3
    As a more general answer, . in both Unix and Windows means "the current directory".
    – chrylis -cautiouslyoptimistic-
    Aug 21, 2018 at 7:32
  • pip displays a page of help text, which tells you that pip install --help will give you help text specific to pip install.
    – Roger Lipscombe
    Aug 21, 2018 at 9:15

1 Answer 1

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Basically you are specifying the location from which the pip package manager to extract the package information from.
E.g.:

# Get the Source code
git clone https://github.com/wkentaro/pytorch-fcn.git

# Change into the cloned git repository:pytorch-fcn
cd pytorch-fcn

# Install the package definitions from current location i.e. pytorch-fcn.
pip install .

Here is a brief description: pip executes the setup.py which loads the requirements.txt which has textual representation of the dependency packages.

References:

  1. Available here is the official documentation of pip.
  2. For better python development workflow refer here for why you should use pip and virtualenv.
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  • Hello thanks for the reply. I have only used pip to do installations and have no idea how it works. What do you mean by package definitions ? Is there a specific file in pytorch-fcn that pip executes ?
    – Kong
    Aug 21, 2018 at 5:20
  • @kong updated the answer.
    – AmeyaVS
    Aug 21, 2018 at 5:35

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