Install PyTorch from requirements.txt

Question

Torch documentation says use

pip install torch==1.4.0+cpu torchvision==0.5.0+cpu -f https://download.pytorch.org/whl/torch_stable.html

to install the latest version of PyTorch. This works when I do it manually but when I add it to req.txt and do pip install -r req.txt, it fails and says ERROR: No matching distribution.

Edit: adding the whole line from req.txt and error here.

torch==1.4.0+cpu -f https://download.pytorch.org/whl/torch_stable.html

torchvision==0.5.0+cpu -f https://download.pytorch.org/whl/torch_stable.htmltorch==1.4.0+cpu

ERROR: Could not find a version that satisfies the requirement torch==1.4.0+cpu (from -r requirements.txt (line 1)) (from versions: 0.1.2, 0.1.2.post1, 0.1.2.post2, 0.3.1, 0.4.0, 0.4.1, 1.0.0, 1.0.1, 1.0.1.post2, 1.1.0, 1.2.0, 1.3.0, 1.3.1, 1.4.0)
ERROR: No matching distribution found for torch==1.4.0+cpu (from -r requirements.txt (line 1))

what is your python version?

Nilanka Manoj
– Nilanka Manoj

2020-03-29 10:21:22 +00:00
Commented Mar 29, 2020 at 10:21 — Nilanka Manoj
– Nilanka Manoj, Commented Mar 29, 2020 at 10:21
@NilankaManoj python version: 3.6.9

Siddharth Prajosh
– Siddharth Prajosh

2020-03-29 10:36:27 +00:00
Commented Mar 29, 2020 at 10:36 — Siddharth Prajosh
– Siddharth Prajosh, Commented Mar 29, 2020 at 10:36

Siddharth Prajosh · Accepted Answer · 2020-09-28 05:46:06Z

75

Add --find-links in requirements.txt before torch

--find-links https://download.pytorch.org/whl/torch_stable.html

torch==1.2.0+cpu

Source: https://github.com/pytorch/pytorch/issues/29745#issuecomment-553588171

edited Sep 28, 2020 at 5:46

answered Mar 29, 2020 at 10:43

Siddharth Prajosh

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1 Comment

yrg Over a year ago

Not sure if something changed, but I was able to install the latest version by adding torch and torchvision on separate lines to requirements.txt. Or torch>=2.0.1 for that version or higher. No --find-links required.

Finncent Price · Accepted Answer · 2022-07-21 21:00:51Z

29

To get the cuda version that I needed (instead of whatever the repos serve up), I converted the cuda-specific installation command from pytorch:

pip3 install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu116

into this at the top of requirements.txt:

--extra-index-url https://download.pytorch.org/whl/cu116
torch
torchvision
torchaudio

Then I do the usual pip install -r requirements.txt and when I import torch and run torch.version.cuda inside python, I get '11.6' as I wanted.

answered Jul 21, 2022 at 21:00

Finncent Price

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1 Comment

minou Over a year ago

This also works with the cpu only version. The link would be https://download.pytorch.org/whl/cpu. The accepted answer didn't work for me.

n0obcoder · Accepted Answer · 2020-07-21 10:03:18Z

12

-f https://download.pytorch.org/whl/torch_stable.html 
torch==1.4.0+cpu 
-f https://download.pytorch.org/whl/torch_stable.html
torchvision==0.5.0+cpu

worked fine for me :)

answered Jul 21, 2020 at 10:03

n0obcoder

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Comments

Rishab P · Accepted Answer · 2021-01-17 05:04:41Z

10

You can do something like that:

$ pip install -r req.txt --find-links https://download.pytorch.org/whl/torch_stable.html

Just put your PyTorch requirements in req.txt like this:

torch==1.4.0+cpu

torchvision==0.5.0+cpu

edited Jan 17, 2021 at 5:04

answered Mar 31, 2020 at 6:56

Rishab P

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2 Comments

Heather Sawatsky Over a year ago

It's possible the OP can't use any other command except pip install -r req.txt. I have the same issue; pip install -r requirements.txt is run by another team, not me; all I have control over is the contents of requirements.txt.

lobit Over a year ago

For some reason, the version torch==1.2.0+cpu in the accepted answer doesn't work for me, but this one does.

shashank2806 · Accepted Answer · 2022-11-19 11:22:23Z

5

For me, this requirement.txt worked for CPU version installation

--extra-index-url https://download.pytorch.org/whl/cpu
torch
torchvision

answered Nov 19, 2022 at 11:22

shashank2806

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ccj5351 · Accepted Answer · 2025-01-13 19:08:19Z

0

This -f https://download.pytorch.org/whl/torch_stable.html seems to work only for CPU version.

In most cases, we need to install the CUDA version.

For example, to install torch==2.2.0+cu121, this command line

RUN pip install torch==2.2.0 torchvision==0.17.0 torchaudio==2.2.0 --index-url https://download.pytorch.org/whl/cu121

It can be converted as a requirements.txt, including something like:

--extra-index-url https://download.pytorch.org/whl/cu121
torch==2.2.0+cu121
torchvision==0.17.0+cu121

This requirements.txt works for both CPU and CUDA PyTorch.

answered Jan 13 at 19:08

ccj5351

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