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1import sys
3from .compat import chardet
5# This code exists for backwards compatibility reasons.
6# I don't like it either. Just look the other way. :)
8for package in ("urllib3", "idna"):
9 vendored_package = "pip._vendor." + package
10 locals()[package] = __import__(vendored_package)
11 # This traversal is apparently necessary such that the identities are
12 # preserved (requests.packages.urllib3.* is urllib3.*)
13 for mod in list(sys.modules):
14 if mod == vendored_package or mod.startswith(vendored_package + '.'):
15 unprefixed_mod = mod[len("pip._vendor."):]
16 sys.modules['pip._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
18if chardet is not None:
19 target = chardet.__name__
20 for mod in list(sys.modules):
21 if mod == target or mod.startswith(f"{target}."):
22 imported_mod = sys.modules[mod]
23 sys.modules[f"requests.packages.{mod}"] = imported_mod
24 mod = mod.replace(target, "chardet")
25 sys.modules[f"requests.packages.{mod}"] = imported_mod