loongson/pypi: links for cpopen

loongson/mirror cpopen-1.4.tar.gz
loongson/mirror cpopen-1.3-1.tar.gz
loongson/mirror cpopen-1.3.tar.gz
loongson/mirror cpopen-1.2.3.tar.gz
loongson/mirror cpopen-1.2.2.tar.gz
loongson/mirror cpopen-1.2.1.tar.gz
loongson/mirror cpopen-1.2.tar.gz
loongson/mirror cpopen-1.1.tar.gz
loongson/mirror cpopen-1.0.tar.gz