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- # Source Generated with Decompyle++
- # File: in.pyc (Python 1.5)
-
- import string
-
- class StringIO:
-
- def __init__(self, buf = ''):
- self.buf = buf
- self.len = len(buf)
- self.buflist = []
- self.pos = 0
- self.closed = 0
- self.softspace = 0
-
-
- def close(self):
- if not (self.closed):
- self.closed = 1
- del self.buf
- del self.pos
-
-
-
- def isatty(self):
- if self.closed:
- raise ValueError, 'I/O operation on closed file'
-
- return 0
-
-
- def seek(self, pos, mode = 0):
- if self.closed:
- raise ValueError, 'I/O operation on closed file'
-
- if self.buflist:
- self.buf = self.buf + string.joinfields(self.buflist, '')
- self.buflist = []
-
- if mode == 1:
- pos = pos + self.pos
- elif mode == 2:
- pos = pos + self.len
-
- self.pos = max(0, pos)
-
-
- def tell(self):
- if self.closed:
- raise ValueError, 'I/O operation on closed file'
-
- return self.pos
-
-
- def read(self, n = -1):
- if self.closed:
- raise ValueError, 'I/O operation on closed file'
-
- if self.buflist:
- self.buf = self.buf + string.joinfields(self.buflist, '')
- self.buflist = []
-
- if n < 0:
- newpos = self.len
- else:
- newpos = min(self.pos + n, self.len)
- r = self.buf[self.pos:newpos]
- self.pos = newpos
- return r
-
-
- def readline(self, length = None):
- if self.closed:
- raise ValueError, 'I/O operation on closed file'
-
- if self.buflist:
- self.buf = self.buf + string.joinfields(self.buflist, '')
- self.buflist = []
-
- i = string.find(self.buf, '\n', self.pos)
- if i < 0:
- newpos = self.len
- else:
- newpos = i + 1
- if length is not None:
- if self.pos + length < newpos:
- newpos = self.pos + length
-
-
- r = self.buf[self.pos:newpos]
- self.pos = newpos
- return r
-
-
- def readlines(self):
- lines = []
- line = self.readline()
- while line:
- lines.append(line)
- line = self.readline()
- return lines
-
-
- def write(self, s):
- if self.closed:
- raise ValueError, 'I/O operation on closed file'
-
- if not s:
- return None
-
- if self.pos > self.len:
- self.buflist.append('\x00' * (self.pos - self.len))
- self.len = self.pos
-
- newpos = self.pos + len(s)
- if self.pos < self.len:
- if self.buflist:
- self.buf = self.buf + string.joinfields(self.buflist, '')
- self.buflist = []
-
- self.buflist = [
- self.buf[:self.pos],
- s,
- self.buf[newpos:]]
- self.buf = ''
- else:
- self.buflist.append(s)
- self.len = newpos
- self.pos = newpos
-
-
- def writelines(self, list):
- self.write(string.joinfields(list, ''))
-
-
- def flush(self):
- if self.closed:
- raise ValueError, 'I/O operation on closed file'
-
-
-
- def getvalue(self):
- if self.buflist:
- self.buf = self.buf + string.joinfields(self.buflist, '')
- self.buflist = []
-
- return self.buf
-
-
-
- def test():
- import sys
- if sys.argv[1:]:
- file = sys.argv[1]
- else:
- file = '/etc/passwd'
- lines = open(file, 'r').readlines()
- text = open(file, 'r').read()
- f = StringIO()
- for line in lines[:-2]:
- f.write(line)
-
- f.writelines(lines[-2:])
- length = f.tell()
- print 'File length =', length
- f.seek(len(lines[0]))
- f.write(lines[1])
- f.seek(0)
- print 'First line =', `f.readline()`
- here = f.tell()
- line = f.readline()
- print 'Second line =', `line`
- f.seek(-len(line), 1)
- line2 = f.read(len(line))
- if line != line2:
- raise RuntimeError, 'bad result after seek back'
-
- f.seek(len(line2), 1)
- list = f.readlines()
- line = list[-1]
- f.seek(f.tell() - len(line))
- line2 = f.read()
- if line != line2:
- raise RuntimeError, 'bad result after seek back from EOF'
-
- print 'Read', len(list), 'more lines'
- print 'File length =', f.tell()
- if f.tell() != length:
- raise RuntimeError, 'bad length'
-
- f.close()
-
- if __name__ == '__main__':
- test()
-
-