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Diffstat (limited to 'PIL/ContainerIO.py')
-rw-r--r-- | PIL/ContainerIO.py | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/PIL/ContainerIO.py b/PIL/ContainerIO.py deleted file mode 100644 index 7b7283f..0000000 --- a/PIL/ContainerIO.py +++ /dev/null @@ -1,116 +0,0 @@ -# -# The Python Imaging Library. -# $Id: ContainerIO.py 2134 2004-10-06 08:55:20Z fredrik $ -# -# a class to read from a container file -# -# History: -# 1995-06-18 fl Created -# 1995-09-07 fl Added readline(), readlines() -# -# Copyright (c) 1997-2001 by Secret Labs AB -# Copyright (c) 1995 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -## -# A file object that provides read access to a part of an existing -# file (for example a TAR file). - -class ContainerIO: - - ## - # Create file object. - # - # @param file Existing file. - # @param offset Start of region, in bytes. - # @param length Size of region, in bytes. - - def __init__(self, file, offset, length): - self.fh = file - self.pos = 0 - self.offset = offset - self.length = length - self.fh.seek(offset) - - ## - # Always false. - - def isatty(self): - return 0 - - ## - # Move file pointer. - # - # @param offset Offset in bytes. - # @param mode Starting position. Use 0 for beginning of region, 1 - # for current offset, and 2 for end of region. You cannot move - # the pointer outside the defined region. - - def seek(self, offset, mode = 0): - if mode == 1: - self.pos = self.pos + offset - elif mode == 2: - self.pos = self.length + offset - else: - self.pos = offset - # clamp - self.pos = max(0, min(self.pos, self.length)) - self.fh.seek(self.offset + self.pos) - - ## - # Get current file pointer. - # - # @return Offset from start of region, in bytes. - - def tell(self): - return self.pos - - ## - # Read data. - # - # @def read(bytes=0) - # @param bytes Number of bytes to read. If omitted or zero, - # read until end of region. - # @return An 8-bit string. - - def read(self, n = 0): - if n: - n = min(n, self.length - self.pos) - else: - n = self.length - self.pos - if not n: # EOF - return "" - self.pos = self.pos + n - return self.fh.read(n) - - ## - # Read a line of text. - # - # @return An 8-bit string. - - def readline(self): - s = "" - while 1: - c = self.read(1) - if not c: - break - s = s + c - if c == "\n": - break - return s - - ## - # Read multiple lines of text. - # - # @return A list of 8-bit strings. - - def readlines(self): - l = [] - while 1: - s = self.readline() - if not s: - break - l.append(s) - return l |