Whitespace standardization.
This commit is contained in:
parent
538f05c94d
commit
146965abf2
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@ -2,13 +2,13 @@
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Instead of
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import dbm
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d = dbm.open(file, 'w', 0666)
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import dbm
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d = dbm.open(file, 'w', 0666)
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use
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import anydbm
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d = anydbm.open(file, 'w')
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import anydbm
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d = anydbm.open(file, 'w')
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The returned object is a dbhash, gdbm, dbm or dumbdbm object,
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dependent on the type of database being opened (determined by whichdb
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@ -19,14 +19,14 @@ order).
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It has the following interface (key and data are strings):
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d[key] = data # store data at key (may override data at
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# existing key)
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data = d[key] # retrieve data at key (raise KeyError if no
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# such key)
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del d[key] # delete data stored at key (raises KeyError
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# if no such key)
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flag = d.has_key(key) # true if the key exists
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list = d.keys() # return a list of all existing keys (slow!)
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d[key] = data # store data at key (may override data at
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# existing key)
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data = d[key] # retrieve data at key (raise KeyError if no
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# such key)
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del d[key] # delete data stored at key (raises KeyError
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# if no such key)
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flag = d.has_key(key) # true if the key exists
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list = d.keys() # return a list of all existing keys (slow!)
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Future versions may change the order in which implementations are
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tested for existence, add interfaces to other dbm-like
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@ -43,44 +43,44 @@ only if it doesn't exist; and 'n' always creates a new database.
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"""
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try:
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class error(Exception):
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pass
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class error(Exception):
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pass
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except:
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error = "anydbm.error"
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error = "anydbm.error"
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_names = ['dbhash', 'gdbm', 'dbm', 'dumbdbm']
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_errors = [error]
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_defaultmod = None
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for _name in _names:
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try:
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_mod = __import__(_name)
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except ImportError:
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continue
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if not _defaultmod:
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_defaultmod = _mod
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_errors.append(_mod.error)
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try:
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_mod = __import__(_name)
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except ImportError:
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continue
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if not _defaultmod:
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_defaultmod = _mod
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_errors.append(_mod.error)
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if not _defaultmod:
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raise ImportError, "no dbm clone found; tried %s" % _names
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raise ImportError, "no dbm clone found; tried %s" % _names
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error = tuple(_errors)
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def open(file, flag = 'r', mode = 0666):
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# guess the type of an existing database
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from whichdb import whichdb
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result=whichdb(file)
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if result is None:
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# db doesn't exist
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if 'c' in flag or 'n' in flag:
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# file doesn't exist and the new
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# flag was used so use default type
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mod = _defaultmod
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else:
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raise error, "need 'c' or 'n' flag to open new db"
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elif result == "":
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# db type cannot be determined
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raise error, "db type could not be determined"
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else:
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mod = __import__(result)
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return mod.open(file, flag, mode)
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# guess the type of an existing database
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from whichdb import whichdb
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result=whichdb(file)
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if result is None:
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# db doesn't exist
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if 'c' in flag or 'n' in flag:
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# file doesn't exist and the new
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# flag was used so use default type
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mod = _defaultmod
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else:
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raise error, "need 'c' or 'n' flag to open new db"
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elif result == "":
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# db type cannot be determined
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raise error, "db type could not be determined"
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else:
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mod = __import__(result)
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return mod.open(file, flag, mode)
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416
Lib/asynchat.py
416
Lib/asynchat.py
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@ -1,6 +1,6 @@
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# -*- Mode: Python; tab-width: 4 -*-
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# Id: asynchat.py,v 2.25 1999/11/18 11:01:08 rushing Exp
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# Author: Sam Rushing <rushing@nightmare.com>
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# Id: asynchat.py,v 2.25 1999/11/18 11:01:08 rushing Exp
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# Author: Sam Rushing <rushing@nightmare.com>
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# ======================================================================
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# Copyright 1996 by Sam Rushing
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@ -51,224 +51,224 @@ import asyncore
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import string
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class async_chat (asyncore.dispatcher):
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"""This is an abstract class. You must derive from this class, and add
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the two methods collect_incoming_data() and found_terminator()"""
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"""This is an abstract class. You must derive from this class, and add
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the two methods collect_incoming_data() and found_terminator()"""
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# these are overridable defaults
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# these are overridable defaults
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ac_in_buffer_size = 4096
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ac_out_buffer_size = 4096
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ac_in_buffer_size = 4096
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ac_out_buffer_size = 4096
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def __init__ (self, conn=None):
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self.ac_in_buffer = ''
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self.ac_out_buffer = ''
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self.producer_fifo = fifo()
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asyncore.dispatcher.__init__ (self, conn)
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def __init__ (self, conn=None):
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self.ac_in_buffer = ''
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self.ac_out_buffer = ''
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self.producer_fifo = fifo()
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asyncore.dispatcher.__init__ (self, conn)
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def set_terminator (self, term):
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"Set the input delimiter. Can be a fixed string of any length, an integer, or None"
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self.terminator = term
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def set_terminator (self, term):
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"Set the input delimiter. Can be a fixed string of any length, an integer, or None"
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self.terminator = term
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def get_terminator (self):
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return self.terminator
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def get_terminator (self):
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return self.terminator
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# grab some more data from the socket,
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# throw it to the collector method,
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# check for the terminator,
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# if found, transition to the next state.
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# grab some more data from the socket,
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# throw it to the collector method,
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# check for the terminator,
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# if found, transition to the next state.
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def handle_read (self):
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def handle_read (self):
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try:
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data = self.recv (self.ac_in_buffer_size)
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except socket.error, why:
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self.handle_error()
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return
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try:
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data = self.recv (self.ac_in_buffer_size)
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except socket.error, why:
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self.handle_error()
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return
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self.ac_in_buffer = self.ac_in_buffer + data
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self.ac_in_buffer = self.ac_in_buffer + data
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# Continue to search for self.terminator in self.ac_in_buffer,
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# while calling self.collect_incoming_data. The while loop
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# is necessary because we might read several data+terminator
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# combos with a single recv(1024).
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# Continue to search for self.terminator in self.ac_in_buffer,
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# while calling self.collect_incoming_data. The while loop
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# is necessary because we might read several data+terminator
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# combos with a single recv(1024).
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while self.ac_in_buffer:
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lb = len(self.ac_in_buffer)
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terminator = self.get_terminator()
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if terminator is None:
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# no terminator, collect it all
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self.collect_incoming_data (self.ac_in_buffer)
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self.ac_in_buffer = ''
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elif type(terminator) == type(0):
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# numeric terminator
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n = terminator
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if lb < n:
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self.collect_incoming_data (self.ac_in_buffer)
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self.ac_in_buffer = ''
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self.terminator = self.terminator - lb
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else:
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self.collect_incoming_data (self.ac_in_buffer[:n])
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self.ac_in_buffer = self.ac_in_buffer[n:]
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self.terminator = 0
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self.found_terminator()
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else:
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# 3 cases:
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# 1) end of buffer matches terminator exactly:
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# collect data, transition
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# 2) end of buffer matches some prefix:
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# collect data to the prefix
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# 3) end of buffer does not match any prefix:
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# collect data
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terminator_len = len(terminator)
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index = string.find (self.ac_in_buffer, terminator)
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if index != -1:
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# we found the terminator
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if index > 0:
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# don't bother reporting the empty string (source of subtle bugs)
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self.collect_incoming_data (self.ac_in_buffer[:index])
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self.ac_in_buffer = self.ac_in_buffer[index+terminator_len:]
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# This does the Right Thing if the terminator is changed here.
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self.found_terminator()
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else:
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# check for a prefix of the terminator
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index = find_prefix_at_end (self.ac_in_buffer, terminator)
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if index:
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if index != lb:
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# we found a prefix, collect up to the prefix
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self.collect_incoming_data (self.ac_in_buffer[:-index])
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self.ac_in_buffer = self.ac_in_buffer[-index:]
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break
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else:
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# no prefix, collect it all
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self.collect_incoming_data (self.ac_in_buffer)
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self.ac_in_buffer = ''
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while self.ac_in_buffer:
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lb = len(self.ac_in_buffer)
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terminator = self.get_terminator()
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if terminator is None:
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# no terminator, collect it all
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self.collect_incoming_data (self.ac_in_buffer)
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self.ac_in_buffer = ''
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elif type(terminator) == type(0):
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# numeric terminator
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n = terminator
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if lb < n:
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self.collect_incoming_data (self.ac_in_buffer)
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self.ac_in_buffer = ''
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self.terminator = self.terminator - lb
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else:
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self.collect_incoming_data (self.ac_in_buffer[:n])
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self.ac_in_buffer = self.ac_in_buffer[n:]
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self.terminator = 0
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self.found_terminator()
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else:
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# 3 cases:
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# 1) end of buffer matches terminator exactly:
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# collect data, transition
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# 2) end of buffer matches some prefix:
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# collect data to the prefix
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# 3) end of buffer does not match any prefix:
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# collect data
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terminator_len = len(terminator)
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index = string.find (self.ac_in_buffer, terminator)
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if index != -1:
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# we found the terminator
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if index > 0:
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# don't bother reporting the empty string (source of subtle bugs)
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self.collect_incoming_data (self.ac_in_buffer[:index])
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self.ac_in_buffer = self.ac_in_buffer[index+terminator_len:]
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# This does the Right Thing if the terminator is changed here.
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self.found_terminator()
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else:
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# check for a prefix of the terminator
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index = find_prefix_at_end (self.ac_in_buffer, terminator)
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if index:
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if index != lb:
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# we found a prefix, collect up to the prefix
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self.collect_incoming_data (self.ac_in_buffer[:-index])
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self.ac_in_buffer = self.ac_in_buffer[-index:]
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break
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else:
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# no prefix, collect it all
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self.collect_incoming_data (self.ac_in_buffer)
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self.ac_in_buffer = ''
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def handle_write (self):
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self.initiate_send ()
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def handle_write (self):
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self.initiate_send ()
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def handle_close (self):
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self.close()
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def handle_close (self):
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self.close()
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def push (self, data):
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self.producer_fifo.push (simple_producer (data))
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self.initiate_send()
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def push (self, data):
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self.producer_fifo.push (simple_producer (data))
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self.initiate_send()
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def push_with_producer (self, producer):
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self.producer_fifo.push (producer)
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self.initiate_send()
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def push_with_producer (self, producer):
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self.producer_fifo.push (producer)
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self.initiate_send()
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def readable (self):
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"predicate for inclusion in the readable for select()"
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return (len(self.ac_in_buffer) <= self.ac_in_buffer_size)
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def readable (self):
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"predicate for inclusion in the readable for select()"
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return (len(self.ac_in_buffer) <= self.ac_in_buffer_size)
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def writable (self):
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"predicate for inclusion in the writable for select()"
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# return len(self.ac_out_buffer) or len(self.producer_fifo) or (not self.connected)
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# this is about twice as fast, though not as clear.
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return not (
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(self.ac_out_buffer is '') and
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self.producer_fifo.is_empty() and
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self.connected
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)
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def writable (self):
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"predicate for inclusion in the writable for select()"
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# return len(self.ac_out_buffer) or len(self.producer_fifo) or (not self.connected)
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# this is about twice as fast, though not as clear.
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return not (
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(self.ac_out_buffer is '') and
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self.producer_fifo.is_empty() and
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self.connected
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)
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def close_when_done (self):
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"automatically close this channel once the outgoing queue is empty"
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self.producer_fifo.push (None)
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def close_when_done (self):
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"automatically close this channel once the outgoing queue is empty"
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self.producer_fifo.push (None)
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# refill the outgoing buffer by calling the more() method
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# of the first producer in the queue
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def refill_buffer (self):
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_string_type = type('')
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while 1:
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if len(self.producer_fifo):
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p = self.producer_fifo.first()
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# a 'None' in the producer fifo is a sentinel,
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# telling us to close the channel.
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if p is None:
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if not self.ac_out_buffer:
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self.producer_fifo.pop()
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self.close()
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return
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elif type(p) is _string_type:
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self.producer_fifo.pop()
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self.ac_out_buffer = self.ac_out_buffer + p
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return
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data = p.more()
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if data:
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self.ac_out_buffer = self.ac_out_buffer + data
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return
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else:
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self.producer_fifo.pop()
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else:
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return
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# refill the outgoing buffer by calling the more() method
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# of the first producer in the queue
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def refill_buffer (self):
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_string_type = type('')
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while 1:
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if len(self.producer_fifo):
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p = self.producer_fifo.first()
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# a 'None' in the producer fifo is a sentinel,
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# telling us to close the channel.
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if p is None:
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if not self.ac_out_buffer:
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self.producer_fifo.pop()
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self.close()
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return
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elif type(p) is _string_type:
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self.producer_fifo.pop()
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self.ac_out_buffer = self.ac_out_buffer + p
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return
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data = p.more()
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if data:
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self.ac_out_buffer = self.ac_out_buffer + data
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return
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else:
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self.producer_fifo.pop()
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else:
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return
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def initiate_send (self):
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obs = self.ac_out_buffer_size
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# try to refill the buffer
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if (len (self.ac_out_buffer) < obs):
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self.refill_buffer()
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def initiate_send (self):
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obs = self.ac_out_buffer_size
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# try to refill the buffer
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if (len (self.ac_out_buffer) < obs):
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self.refill_buffer()
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if self.ac_out_buffer and self.connected:
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# try to send the buffer
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try:
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num_sent = self.send (self.ac_out_buffer[:obs])
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if num_sent:
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self.ac_out_buffer = self.ac_out_buffer[num_sent:]
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if self.ac_out_buffer and self.connected:
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# try to send the buffer
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try:
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num_sent = self.send (self.ac_out_buffer[:obs])
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if num_sent:
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self.ac_out_buffer = self.ac_out_buffer[num_sent:]
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except socket.error, why:
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self.handle_error()
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return
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except socket.error, why:
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self.handle_error()
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return
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def discard_buffers (self):
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# Emergencies only!
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self.ac_in_buffer = ''
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self.ac_out_buffer = ''
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while self.producer_fifo:
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self.producer_fifo.pop()
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def discard_buffers (self):
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# Emergencies only!
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self.ac_in_buffer = ''
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self.ac_out_buffer = ''
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while self.producer_fifo:
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self.producer_fifo.pop()
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|
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class simple_producer:
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def __init__ (self, data, buffer_size=512):
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self.data = data
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self.buffer_size = buffer_size
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def __init__ (self, data, buffer_size=512):
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self.data = data
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self.buffer_size = buffer_size
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def more (self):
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if len (self.data) > self.buffer_size:
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result = self.data[:self.buffer_size]
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self.data = self.data[self.buffer_size:]
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return result
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else:
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result = self.data
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self.data = ''
|
||||
return result
|
||||
def more (self):
|
||||
if len (self.data) > self.buffer_size:
|
||||
result = self.data[:self.buffer_size]
|
||||
self.data = self.data[self.buffer_size:]
|
||||
return result
|
||||
else:
|
||||
result = self.data
|
||||
self.data = ''
|
||||
return result
|
||||
|
||||
class fifo:
|
||||
def __init__ (self, list=None):
|
||||
if not list:
|
||||
self.list = []
|
||||
else:
|
||||
self.list = list
|
||||
def __init__ (self, list=None):
|
||||
if not list:
|
||||
self.list = []
|
||||
else:
|
||||
self.list = list
|
||||
|
||||
def __len__ (self):
|
||||
return len(self.list)
|
||||
def __len__ (self):
|
||||
return len(self.list)
|
||||
|
||||
def is_empty (self):
|
||||
return self.list == []
|
||||
def is_empty (self):
|
||||
return self.list == []
|
||||
|
||||
def first (self):
|
||||
return self.list[0]
|
||||
def first (self):
|
||||
return self.list[0]
|
||||
|
||||
def push (self, data):
|
||||
self.list.append (data)
|
||||
def push (self, data):
|
||||
self.list.append (data)
|
||||
|
||||
def pop (self):
|
||||
if self.list:
|
||||
result = self.list[0]
|
||||
del self.list[0]
|
||||
return (1, result)
|
||||
else:
|
||||
return (0, None)
|
||||
def pop (self):
|
||||
if self.list:
|
||||
result = self.list[0]
|
||||
del self.list[0]
|
||||
return (1, result)
|
||||
else:
|
||||
return (0, None)
|
||||
|
||||
# Given 'haystack', see if any prefix of 'needle' is at its end. This
|
||||
# assumes an exact match has already been checked. Return the number of
|
||||
|
@ -281,13 +281,13 @@ class fifo:
|
|||
# this could maybe be made faster with a computed regex?
|
||||
|
||||
##def find_prefix_at_end (haystack, needle):
|
||||
## nl = len(needle)
|
||||
## result = 0
|
||||
## for i in range (1,nl):
|
||||
## if haystack[-(nl-i):] == needle[:(nl-i)]:
|
||||
## result = nl-i
|
||||
## break
|
||||
## return result
|
||||
## nl = len(needle)
|
||||
## result = 0
|
||||
## for i in range (1,nl):
|
||||
## if haystack[-(nl-i):] == needle[:(nl-i)]:
|
||||
## result = nl-i
|
||||
## break
|
||||
## return result
|
||||
|
||||
# yes, this is about twice as fast, but still seems
|
||||
# to be negligible CPU. The previous version could do about 290
|
||||
|
@ -298,21 +298,21 @@ import regex
|
|||
prefix_cache = {}
|
||||
|
||||
def prefix_regex (needle):
|
||||
if prefix_cache.has_key (needle):
|
||||
return prefix_cache[needle]
|
||||
else:
|
||||
reg = needle[-1]
|
||||
for i in range(1,len(needle)):
|
||||
reg = '%c\(%s\)?' % (needle[-(i+1)], reg)
|
||||
reg = regex.compile (reg+'$')
|
||||
prefix_cache[needle] = reg, len(needle)
|
||||
return reg, len(needle)
|
||||
if prefix_cache.has_key (needle):
|
||||
return prefix_cache[needle]
|
||||
else:
|
||||
reg = needle[-1]
|
||||
for i in range(1,len(needle)):
|
||||
reg = '%c\(%s\)?' % (needle[-(i+1)], reg)
|
||||
reg = regex.compile (reg+'$')
|
||||
prefix_cache[needle] = reg, len(needle)
|
||||
return reg, len(needle)
|
||||
|
||||
def find_prefix_at_end (haystack, needle):
|
||||
reg, length = prefix_regex (needle)
|
||||
lh = len(haystack)
|
||||
result = reg.search (haystack, max(0,lh-length))
|
||||
if result >= 0:
|
||||
return (lh - result)
|
||||
else:
|
||||
return 0
|
||||
reg, length = prefix_regex (needle)
|
||||
lh = len(haystack)
|
||||
result = reg.search (haystack, max(0,lh-length))
|
||||
if result >= 0:
|
||||
return (lh - result)
|
||||
else:
|
||||
return 0
|
||||
|
|
|
@ -51,4 +51,3 @@ if __name__ == "__main__":
|
|||
register(x2, 12)
|
||||
register(x3, 5, "bar")
|
||||
register(x3, "no kwd args")
|
||||
|
||||
|
|
434
Lib/audiodev.py
434
Lib/audiodev.py
|
@ -1,254 +1,254 @@
|
|||
"""Classes for manipulating audio devices (currently only for Sun and SGI)"""
|
||||
|
||||
class error(Exception):
|
||||
pass
|
||||
pass
|
||||
|
||||
class Play_Audio_sgi:
|
||||
# Private instance variables
|
||||
## if 0: access frameratelist, nchannelslist, sampwidthlist, oldparams, \
|
||||
## params, config, inited_outrate, inited_width, \
|
||||
## inited_nchannels, port, converter, classinited: private
|
||||
# Private instance variables
|
||||
## if 0: access frameratelist, nchannelslist, sampwidthlist, oldparams, \
|
||||
## params, config, inited_outrate, inited_width, \
|
||||
## inited_nchannels, port, converter, classinited: private
|
||||
|
||||
classinited = 0
|
||||
frameratelist = nchannelslist = sampwidthlist = None
|
||||
classinited = 0
|
||||
frameratelist = nchannelslist = sampwidthlist = None
|
||||
|
||||
def initclass(self):
|
||||
import AL
|
||||
self.frameratelist = [
|
||||
(48000, AL.RATE_48000),
|
||||
(44100, AL.RATE_44100),
|
||||
(32000, AL.RATE_32000),
|
||||
(22050, AL.RATE_22050),
|
||||
(16000, AL.RATE_16000),
|
||||
(11025, AL.RATE_11025),
|
||||
( 8000, AL.RATE_8000),
|
||||
]
|
||||
self.nchannelslist = [
|
||||
(1, AL.MONO),
|
||||
(2, AL.STEREO),
|
||||
(4, AL.QUADRO),
|
||||
]
|
||||
self.sampwidthlist = [
|
||||
(1, AL.SAMPLE_8),
|
||||
(2, AL.SAMPLE_16),
|
||||
(3, AL.SAMPLE_24),
|
||||
]
|
||||
self.classinited = 1
|
||||
def initclass(self):
|
||||
import AL
|
||||
self.frameratelist = [
|
||||
(48000, AL.RATE_48000),
|
||||
(44100, AL.RATE_44100),
|
||||
(32000, AL.RATE_32000),
|
||||
(22050, AL.RATE_22050),
|
||||
(16000, AL.RATE_16000),
|
||||
(11025, AL.RATE_11025),
|
||||
( 8000, AL.RATE_8000),
|
||||
]
|
||||
self.nchannelslist = [
|
||||
(1, AL.MONO),
|
||||
(2, AL.STEREO),
|
||||
(4, AL.QUADRO),
|
||||
]
|
||||
self.sampwidthlist = [
|
||||
(1, AL.SAMPLE_8),
|
||||
(2, AL.SAMPLE_16),
|
||||
(3, AL.SAMPLE_24),
|
||||
]
|
||||
self.classinited = 1
|
||||
|
||||
def __init__(self):
|
||||
import al, AL
|
||||
if not self.classinited:
|
||||
self.initclass()
|
||||
self.oldparams = []
|
||||
self.params = [AL.OUTPUT_RATE, 0]
|
||||
self.config = al.newconfig()
|
||||
self.inited_outrate = 0
|
||||
self.inited_width = 0
|
||||
self.inited_nchannels = 0
|
||||
self.converter = None
|
||||
self.port = None
|
||||
return
|
||||
def __init__(self):
|
||||
import al, AL
|
||||
if not self.classinited:
|
||||
self.initclass()
|
||||
self.oldparams = []
|
||||
self.params = [AL.OUTPUT_RATE, 0]
|
||||
self.config = al.newconfig()
|
||||
self.inited_outrate = 0
|
||||
self.inited_width = 0
|
||||
self.inited_nchannels = 0
|
||||
self.converter = None
|
||||
self.port = None
|
||||
return
|
||||
|
||||
def __del__(self):
|
||||
if self.port:
|
||||
self.stop()
|
||||
if self.oldparams:
|
||||
import al, AL
|
||||
al.setparams(AL.DEFAULT_DEVICE, self.oldparams)
|
||||
self.oldparams = []
|
||||
def __del__(self):
|
||||
if self.port:
|
||||
self.stop()
|
||||
if self.oldparams:
|
||||
import al, AL
|
||||
al.setparams(AL.DEFAULT_DEVICE, self.oldparams)
|
||||
self.oldparams = []
|
||||
|
||||
def wait(self):
|
||||
if not self.port:
|
||||
return
|
||||
import time
|
||||
while self.port.getfilled() > 0:
|
||||
time.sleep(0.1)
|
||||
self.stop()
|
||||
def wait(self):
|
||||
if not self.port:
|
||||
return
|
||||
import time
|
||||
while self.port.getfilled() > 0:
|
||||
time.sleep(0.1)
|
||||
self.stop()
|
||||
|
||||
def stop(self):
|
||||
if self.port:
|
||||
self.port.closeport()
|
||||
self.port = None
|
||||
if self.oldparams:
|
||||
import al, AL
|
||||
al.setparams(AL.DEFAULT_DEVICE, self.oldparams)
|
||||
self.oldparams = []
|
||||
def stop(self):
|
||||
if self.port:
|
||||
self.port.closeport()
|
||||
self.port = None
|
||||
if self.oldparams:
|
||||
import al, AL
|
||||
al.setparams(AL.DEFAULT_DEVICE, self.oldparams)
|
||||
self.oldparams = []
|
||||
|
||||
def setoutrate(self, rate):
|
||||
for (raw, cooked) in self.frameratelist:
|
||||
if rate == raw:
|
||||
self.params[1] = cooked
|
||||
self.inited_outrate = 1
|
||||
break
|
||||
else:
|
||||
raise error, 'bad output rate'
|
||||
def setoutrate(self, rate):
|
||||
for (raw, cooked) in self.frameratelist:
|
||||
if rate == raw:
|
||||
self.params[1] = cooked
|
||||
self.inited_outrate = 1
|
||||
break
|
||||
else:
|
||||
raise error, 'bad output rate'
|
||||
|
||||
def setsampwidth(self, width):
|
||||
for (raw, cooked) in self.sampwidthlist:
|
||||
if width == raw:
|
||||
self.config.setwidth(cooked)
|
||||
self.inited_width = 1
|
||||
break
|
||||
else:
|
||||
if width == 0:
|
||||
import AL
|
||||
self.inited_width = 0
|
||||
self.config.setwidth(AL.SAMPLE_16)
|
||||
self.converter = self.ulaw2lin
|
||||
else:
|
||||
raise error, 'bad sample width'
|
||||
def setsampwidth(self, width):
|
||||
for (raw, cooked) in self.sampwidthlist:
|
||||
if width == raw:
|
||||
self.config.setwidth(cooked)
|
||||
self.inited_width = 1
|
||||
break
|
||||
else:
|
||||
if width == 0:
|
||||
import AL
|
||||
self.inited_width = 0
|
||||
self.config.setwidth(AL.SAMPLE_16)
|
||||
self.converter = self.ulaw2lin
|
||||
else:
|
||||
raise error, 'bad sample width'
|
||||
|
||||
def setnchannels(self, nchannels):
|
||||
for (raw, cooked) in self.nchannelslist:
|
||||
if nchannels == raw:
|
||||
self.config.setchannels(cooked)
|
||||
self.inited_nchannels = 1
|
||||
break
|
||||
else:
|
||||
raise error, 'bad # of channels'
|
||||
def setnchannels(self, nchannels):
|
||||
for (raw, cooked) in self.nchannelslist:
|
||||
if nchannels == raw:
|
||||
self.config.setchannels(cooked)
|
||||
self.inited_nchannels = 1
|
||||
break
|
||||
else:
|
||||
raise error, 'bad # of channels'
|
||||
|
||||
def writeframes(self, data):
|
||||
if not (self.inited_outrate and self.inited_nchannels):
|
||||
raise error, 'params not specified'
|
||||
if not self.port:
|
||||
import al, AL
|
||||
self.port = al.openport('Python', 'w', self.config)
|
||||
self.oldparams = self.params[:]
|
||||
al.getparams(AL.DEFAULT_DEVICE, self.oldparams)
|
||||
al.setparams(AL.DEFAULT_DEVICE, self.params)
|
||||
if self.converter:
|
||||
data = self.converter(data)
|
||||
self.port.writesamps(data)
|
||||
def writeframes(self, data):
|
||||
if not (self.inited_outrate and self.inited_nchannels):
|
||||
raise error, 'params not specified'
|
||||
if not self.port:
|
||||
import al, AL
|
||||
self.port = al.openport('Python', 'w', self.config)
|
||||
self.oldparams = self.params[:]
|
||||
al.getparams(AL.DEFAULT_DEVICE, self.oldparams)
|
||||
al.setparams(AL.DEFAULT_DEVICE, self.params)
|
||||
if self.converter:
|
||||
data = self.converter(data)
|
||||
self.port.writesamps(data)
|
||||
|
||||
def getfilled(self):
|
||||
if self.port:
|
||||
return self.port.getfilled()
|
||||
else:
|
||||
return 0
|
||||
def getfilled(self):
|
||||
if self.port:
|
||||
return self.port.getfilled()
|
||||
else:
|
||||
return 0
|
||||
|
||||
def getfillable(self):
|
||||
if self.port:
|
||||
return self.port.getfillable()
|
||||
else:
|
||||
return self.config.getqueuesize()
|
||||
def getfillable(self):
|
||||
if self.port:
|
||||
return self.port.getfillable()
|
||||
else:
|
||||
return self.config.getqueuesize()
|
||||
|
||||
# private methods
|
||||
## if 0: access *: private
|
||||
# private methods
|
||||
## if 0: access *: private
|
||||
|
||||
def ulaw2lin(self, data):
|
||||
import audioop
|
||||
return audioop.ulaw2lin(data, 2)
|
||||
def ulaw2lin(self, data):
|
||||
import audioop
|
||||
return audioop.ulaw2lin(data, 2)
|
||||
|
||||
class Play_Audio_sun:
|
||||
## if 0: access outrate, sampwidth, nchannels, inited_outrate, inited_width, \
|
||||
## inited_nchannels, converter: private
|
||||
## if 0: access outrate, sampwidth, nchannels, inited_outrate, inited_width, \
|
||||
## inited_nchannels, converter: private
|
||||
|
||||
def __init__(self):
|
||||
self.outrate = 0
|
||||
self.sampwidth = 0
|
||||
self.nchannels = 0
|
||||
self.inited_outrate = 0
|
||||
self.inited_width = 0
|
||||
self.inited_nchannels = 0
|
||||
self.converter = None
|
||||
self.port = None
|
||||
return
|
||||
def __init__(self):
|
||||
self.outrate = 0
|
||||
self.sampwidth = 0
|
||||
self.nchannels = 0
|
||||
self.inited_outrate = 0
|
||||
self.inited_width = 0
|
||||
self.inited_nchannels = 0
|
||||
self.converter = None
|
||||
self.port = None
|
||||
return
|
||||
|
||||
def __del__(self):
|
||||
self.stop()
|
||||
def __del__(self):
|
||||
self.stop()
|
||||
|
||||
def setoutrate(self, rate):
|
||||
self.outrate = rate
|
||||
self.inited_outrate = 1
|
||||
def setoutrate(self, rate):
|
||||
self.outrate = rate
|
||||
self.inited_outrate = 1
|
||||
|
||||
def setsampwidth(self, width):
|
||||
self.sampwidth = width
|
||||
self.inited_width = 1
|
||||
def setsampwidth(self, width):
|
||||
self.sampwidth = width
|
||||
self.inited_width = 1
|
||||
|
||||
def setnchannels(self, nchannels):
|
||||
self.nchannels = nchannels
|
||||
self.inited_nchannels = 1
|
||||
def setnchannels(self, nchannels):
|
||||
self.nchannels = nchannels
|
||||
self.inited_nchannels = 1
|
||||
|
||||
def writeframes(self, data):
|
||||
if not (self.inited_outrate and self.inited_width and self.inited_nchannels):
|
||||
raise error, 'params not specified'
|
||||
if not self.port:
|
||||
import sunaudiodev, SUNAUDIODEV
|
||||
self.port = sunaudiodev.open('w')
|
||||
info = self.port.getinfo()
|
||||
info.o_sample_rate = self.outrate
|
||||
info.o_channels = self.nchannels
|
||||
if self.sampwidth == 0:
|
||||
info.o_precision = 8
|
||||
self.o_encoding = SUNAUDIODEV.ENCODING_ULAW
|
||||
# XXX Hack, hack -- leave defaults
|
||||
else:
|
||||
info.o_precision = 8 * self.sampwidth
|
||||
info.o_encoding = SUNAUDIODEV.ENCODING_LINEAR
|
||||
self.port.setinfo(info)
|
||||
if self.converter:
|
||||
data = self.converter(data)
|
||||
self.port.write(data)
|
||||
def writeframes(self, data):
|
||||
if not (self.inited_outrate and self.inited_width and self.inited_nchannels):
|
||||
raise error, 'params not specified'
|
||||
if not self.port:
|
||||
import sunaudiodev, SUNAUDIODEV
|
||||
self.port = sunaudiodev.open('w')
|
||||
info = self.port.getinfo()
|
||||
info.o_sample_rate = self.outrate
|
||||
info.o_channels = self.nchannels
|
||||
if self.sampwidth == 0:
|
||||
info.o_precision = 8
|
||||
self.o_encoding = SUNAUDIODEV.ENCODING_ULAW
|
||||
# XXX Hack, hack -- leave defaults
|
||||
else:
|
||||
info.o_precision = 8 * self.sampwidth
|
||||
info.o_encoding = SUNAUDIODEV.ENCODING_LINEAR
|
||||
self.port.setinfo(info)
|
||||
if self.converter:
|
||||
data = self.converter(data)
|
||||
self.port.write(data)
|
||||
|
||||
def wait(self):
|
||||
if not self.port:
|
||||
return
|
||||
self.port.drain()
|
||||
self.stop()
|
||||
def wait(self):
|
||||
if not self.port:
|
||||
return
|
||||
self.port.drain()
|
||||
self.stop()
|
||||
|
||||
def stop(self):
|
||||
if self.port:
|
||||
self.port.flush()
|
||||
self.port.close()
|
||||
self.port = None
|
||||
def stop(self):
|
||||
if self.port:
|
||||
self.port.flush()
|
||||
self.port.close()
|
||||
self.port = None
|
||||
|
||||
def getfilled(self):
|
||||
if self.port:
|
||||
return self.port.obufcount()
|
||||
else:
|
||||
return 0
|
||||
def getfilled(self):
|
||||
if self.port:
|
||||
return self.port.obufcount()
|
||||
else:
|
||||
return 0
|
||||
|
||||
def getfillable(self):
|
||||
return BUFFERSIZE - self.getfilled()
|
||||
def getfillable(self):
|
||||
return BUFFERSIZE - self.getfilled()
|
||||
|
||||
def AudioDev():
|
||||
# Dynamically try to import and use a platform specific module.
|
||||
try:
|
||||
import al
|
||||
except ImportError:
|
||||
try:
|
||||
import sunaudiodev
|
||||
return Play_Audio_sun()
|
||||
except ImportError:
|
||||
try:
|
||||
import Audio_mac
|
||||
except ImportError:
|
||||
raise error, 'no audio device'
|
||||
else:
|
||||
return Audio_mac.Play_Audio_mac()
|
||||
else:
|
||||
return Play_Audio_sgi()
|
||||
# Dynamically try to import and use a platform specific module.
|
||||
try:
|
||||
import al
|
||||
except ImportError:
|
||||
try:
|
||||
import sunaudiodev
|
||||
return Play_Audio_sun()
|
||||
except ImportError:
|
||||
try:
|
||||
import Audio_mac
|
||||
except ImportError:
|
||||
raise error, 'no audio device'
|
||||
else:
|
||||
return Audio_mac.Play_Audio_mac()
|
||||
else:
|
||||
return Play_Audio_sgi()
|
||||
|
||||
def test(fn = None):
|
||||
import sys
|
||||
if sys.argv[1:]:
|
||||
fn = sys.argv[1]
|
||||
else:
|
||||
fn = 'f:just samples:just.aif'
|
||||
import aifc
|
||||
af = aifc.open(fn, 'r')
|
||||
print fn, af.getparams()
|
||||
p = AudioDev()
|
||||
p.setoutrate(af.getframerate())
|
||||
p.setsampwidth(af.getsampwidth())
|
||||
p.setnchannels(af.getnchannels())
|
||||
BUFSIZ = af.getframerate()/af.getsampwidth()/af.getnchannels()
|
||||
while 1:
|
||||
data = af.readframes(BUFSIZ)
|
||||
if not data: break
|
||||
print len(data)
|
||||
p.writeframes(data)
|
||||
p.wait()
|
||||
import sys
|
||||
if sys.argv[1:]:
|
||||
fn = sys.argv[1]
|
||||
else:
|
||||
fn = 'f:just samples:just.aif'
|
||||
import aifc
|
||||
af = aifc.open(fn, 'r')
|
||||
print fn, af.getparams()
|
||||
p = AudioDev()
|
||||
p.setoutrate(af.getframerate())
|
||||
p.setsampwidth(af.getsampwidth())
|
||||
p.setnchannels(af.getnchannels())
|
||||
BUFSIZ = af.getframerate()/af.getsampwidth()/af.getnchannels()
|
||||
while 1:
|
||||
data = af.readframes(BUFSIZ)
|
||||
if not data: break
|
||||
print len(data)
|
||||
p.writeframes(data)
|
||||
p.wait()
|
||||
|
||||
if __name__ == '__main__':
|
||||
test()
|
||||
test()
|
||||
|
|
Loading…
Reference in New Issue