Commit 63c2bdcf authored by Stefan Marr's avatar Stefan Marr

Fix StringStream to conform to latest pypy

Signed-off-by: default avatarStefan Marr <>
parent 34e0614c
from rpython.rlib.streamio import Stream, StreamError
class StringStream(Stream):
def __init__(self, string):
self._string = string
......@@ -8,15 +9,10 @@ class StringStream(Stream):
def write(self, data):
raise StreamError("StringStream is not writable")
def truncate(self, size):
raise StreamError("StringStream is immutable")
def peek(self):
if self.pos < self.max:
return self._string[self.pos:]
return ''
def tell(self):
return self.pos
......@@ -33,6 +29,7 @@ class StringStream(Stream):
def read(self, n):
assert isinstance(n, int)
end = self.pos + n
assert end >= 0
data = self._string[self.pos:end]
self.pos += len(data)
return data
\ No newline at end of file
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