doc: Fixed typo.
[ashd.git] / python / ashd / scgi.py
CommitLineData
c06db49a
FT
1class protoerr(Exception):
2 pass
3
4def readns(sk):
5 hln = 0
6 while True:
7 c = sk.read(1)
173e0e9e 8 if c == ':':
c06db49a 9 break
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10 elif c >= '0' or c <= '9':
11 hln = (hln * 10) + (ord(c) - ord('0'))
c06db49a 12 else:
173e0e9e 13 raise protoerr, "Invalid netstring length byte: " + c
c06db49a 14 ret = sk.read(hln)
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15 if sk.read(1) != ',':
16 raise protoerr, "Non-terminated netstring"
c06db49a
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17 return ret
18
19def readhead(sk):
173e0e9e 20 parts = readns(sk).split('\0')[:-1]
c06db49a 21 if len(parts) % 2 != 0:
173e0e9e 22 raise protoerr, "Malformed headers"
c06db49a
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23 ret = {}
24 i = 0
25 while i < len(parts):
26 ret[parts[i]] = parts[i + 1]
27 i += 2
28 return ret