diff options
| -rwxr-xr-x | Lib/ArrayIO.py | 142 | ||||
| -rwxr-xr-x | Lib/importall.py | 36 |
2 files changed, 0 insertions, 178 deletions
diff --git a/Lib/ArrayIO.py b/Lib/ArrayIO.py deleted file mode 100755 index 5b06f922d4..0000000000 --- a/Lib/ArrayIO.py +++ /dev/null @@ -1,142 +0,0 @@ -"""File-like objects that read/write an array buffer. - -This implements (nearly) all stdio methods. - -f = ArrayIO() # ready for writing -f = ArrayIO(buf) # ready for reading -f.close() # explicitly release resources held -flag = f.isatty() # always false -pos = f.tell() # get current position -f.seek(pos) # set current position -f.seek(pos, mode) # mode 0: absolute; 1: relative; 2: relative to EOF -buf = f.read() # read until EOF -buf = f.read(n) # read up to n bytes -buf = f.readline() # read until end of line ('\n') or EOF -list = f.readlines()# list of f.readline() results until EOF -f.write(buf) # write at current position -f.writelines(list) # for line in list: f.write(line) -f.getvalue() # return whole file's contents as a string - -Notes: -- This is very similar to StringIO. StringIO is faster for reading, - but ArrayIO is faster for writing. -- ArrayIO uses an array object internally, but all its interfaces - accept and return strings. -- Using a real file is often faster (but less convenient). -- fileno() is left unimplemented so that code which uses it triggers - an exception early. -- Seeking far beyond EOF and then writing will insert real null - bytes that occupy space in the buffer. -- There's a simple test set (see end of this file). -""" - -import string -from array import array - -class ArrayIO: - def __init__(self, buf = ''): - self.buf = array('c', buf) - self.pos = 0 - self.closed = 0 - self.softspace = 0 - def close(self): - if not self.closed: - self.closed = 1 - del self.buf, self.pos - def isatty(self): - return 0 - def seek(self, pos, mode = 0): - if mode == 1: - pos = pos + self.pos - elif mode == 2: - pos = pos + len(self.buf) - self.pos = max(0, pos) - def tell(self): - return self.pos - def read(self, n = -1): - if n < 0: - newpos = len(self.buf) - else: - newpos = min(self.pos+n, len(self.buf)) - r = self.buf[self.pos:newpos].tostring() - self.pos = newpos - return r - def readline(self): - i = string.find(self.buf[self.pos:].tostring(), '\n') - if i < 0: - newpos = len(self.buf) - else: - newpos = self.pos+i+1 - r = self.buf[self.pos:newpos].tostring() - self.pos = newpos - return r - def readlines(self): - lines = string.splitfields(self.read(), '\n') - if not lines: - return lines - for i in range(len(lines)-1): - lines[i] = lines[i] + '\n' - if not lines[-1]: - del lines[-1] - return lines - def write(self, s): - if not s: return - a = array('c', s) - n = self.pos - len(self.buf) - if n > 0: - self.buf[len(self.buf):] = array('c', '\0')*n - newpos = self.pos + len(a) - self.buf[self.pos:newpos] = a - self.pos = newpos - def writelines(self, list): - self.write(string.joinfields(list, '')) - def flush(self): - pass - def getvalue(self): - return self.buf.tostring() - - -# A little test suite - -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 = ArrayIO() - for line in lines[:-2]: - f.write(line) - f.writelines(lines[-2:]) - if f.getvalue() != text: - raise RuntimeError, 'write failed' - 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() diff --git a/Lib/importall.py b/Lib/importall.py deleted file mode 100755 index 780862cf33..0000000000 --- a/Lib/importall.py +++ /dev/null @@ -1,36 +0,0 @@ -# THIS IS OBSOLETE -- USE MODULE 'compileall' INSTEAD! - -# Utility module to import all modules in the path, in the hope -# that this will update their ".pyc" files. - -import os -import sys - -# Sabotage 'gl' and 'stdwin' to prevent windows popping up... -for m in 'gl', 'stdwin', 'fl', 'fm': - sys.modules[m] = sys - -exceptions = ['importall'] - -for dir in sys.path: - print 'Listing', dir - try: - names = os.listdir(dir) - except os.error: - print 'Can\'t list', dir - names = [] - names.sort() - for name in names: - head, tail = name[:-3], name[-3:] - if tail == '.py' and head not in exceptions: - s = 'import ' + head - print s - try: - exec s + '\n' - except KeyboardInterrupt: - del names[:] - print '\n[interrupt]' - break - except: - print 'Sorry:', sys.exc_type + ':', - print sys.exc_value |