Angular-cli: Angular cli error when install npm packagees

[AnasSharif]

please tell me the solution of the above error

[ruffiem]

Try adding Python to the path ?

http://superuser.com/questions/143119/how-to-add-python-to-the-windows-path

[sajithaPriyankara]

Please follow bellow thread, it solves the very same issue..
https://github.com/angular/angular-cli/issues/1560#issuecomment-238349893

[elekzalan]

Yes, if you install windows-build-tools by running npm install --global --production windows-build-tools the python error disappears.

Nevertheless, I'm still getting the node-pre-gyp errors saying that node-zopfli cannot be found.

@sajithaPriyankara : Yes I tried that thread/solution too. It keeps saying that Failed to locate: "CL.exe".

Oh, and I forgot to mention that if I install my dependencies with --no-optional flag then everything runs fine, without errors.

[sajithaPriyankara]

@elekzalan ,, Yes,, you are correct since most of the time node-gyp is being used as optional dependencies and --no-optional may solve it.
But the thread I suggested fixed the very same issue without any trouble..

[w0bbes]

ARe you running it as administrator?

[bonnici]

node-gyp installation has some fairly complicated requirements, check their installation guide.

[filipesilva]

Dupe, see https://github.com/angular/angular-cli/issues/1560#issuecomment-240913794 for clarification. You do not need node-gyp or anything else.

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