Batch upgrade pip packages

Premise: python, pip installed

If pip is slow, you need to modify the pip source:
Method under Linux:

vi ~/.pip/pip.conf

Paste on Alibaba source:

[global]
trusted-host = mirrors.aliyun.com
index-url = https://mirrors.aliyun.com/pypi/simple

Just execute the following code.

import os

r = os.popen('pip list --outdate')
# r = os.popen('pip list ')

r = r.read().splitlines()
if len(r)>2:
	for l in r[2:]:
		outdated_pkg = l.split(' ',1)[0]
		print(outdated_pkg)
		tmp = os.popen('pip install --upgrade '+outdated_pkg)
		for nr in tmp.read().splitlines():
			print(nr)

print('done')

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