def requirement_line(r, download_to, abs_download_to):
if isinstance(r.link, Link):
req = r.req if pip_version > (10, ) else r
ir = InstallRequirement(req=req,
link=r.link,
comes_from=None,
markers=True,
editable=True)
assert r.name, "Package name not provided for %s" % r.link
s = '{}/{}/'.format(download_to, ir.name.lower())
ir.source_dir = '{}/{}'.format(abs_download_to, ir.name.lower())
ir.update_editable(obtain=False)
else:
assert isinstance(r.req, Requirement), r.req.__class__
s = '%-30s' % str(r.req)
for hash_type, hashes in r.options.get('hashes', {}).items():
for h in hashes:
s += ' --hash={}:{}'.format(hash_type, h)
return s.strip()
