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Load Old Cassettes

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Add backwards-compatible cassette loading code that can load
the old style header dicts from response cassettes.
This commit is contained in:
Kevin McCarthy
2014-01-11 09:26:34 -10:00
parent 2cf779d776
commit 84bf7b6132
5 changed files with 140 additions and 118 deletions
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16
vcr/stubs/__init__.py
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@@ -7,7 +7,23 @@ from vcr.request import Request
from vcr.errors import CannotOverwriteExistingCassetteException
def parse_headers_backwards_compat(header_dict):
"""
In vcr 0.6.0, I changed the cassettes to store
headers as a list instead of a dict. This method
parses the old dictionary-style headers for
backwards-compatability reasons.
"""
msg = HTTPMessage(StringIO(""))
for key, val in header_dict.iteritems():
msg.addheader(key, val)
msg.headers.append("{0}:{1}".format(key, val))
return msg
def parse_headers(header_list):
if isinstance(header_list, dict):
return parse_headers_backwards_compat(header_list)
headers = "".join(header_list) + "\r\n"
msg = HTTPMessage(StringIO(headers))
msg.fp.seek(0)