python, hg: tow outside the environment.

they've served us well, and can ride off into the sunset.

1 files changed, 0 insertions, 84 deletions

diff --git a/sys/src/cmd/python/Demo/threads/Generator.py b/sys/src/cmd/python/Demo/threads/Generator.py
deleted file mode 100644
index a2713af1a..000000000
--- a/sys/src/cmd/python/Demo/threads/Generator.py
+++ /dev/null
@@ -1,84 +0,0 @@
-# Generator implementation using threads
-
-import thread
-
-Killed = 'Generator.Killed'
-
-class Generator:
-    # Constructor
-    def __init__(self, func, args):
-        self.getlock = thread.allocate_lock()
-        self.putlock = thread.allocate_lock()
-        self.getlock.acquire()
-        self.putlock.acquire()
-        self.func = func
-        self.args = args
-        self.done = 0
-        self.killed = 0
-        thread.start_new_thread(self._start, ())
-    # Internal routine
-    def _start(self):
-        try:
-            self.putlock.acquire()
-            if not self.killed:
-                try:
-                    apply(self.func, (self,) + self.args)
-                except Killed:
-                    pass
-        finally:
-            if not self.killed:
-                self.done = 1
-                self.getlock.release()
-    # Called by producer for each value; raise Killed if no more needed
-    def put(self, value):
-        if self.killed:
-            raise TypeError, 'put() called on killed generator'
-        self.value = value
-        self.getlock.release()  # Resume consumer thread
-        self.putlock.acquire()  # Wait for next get() call
-        if self.killed:
-            raise Killed
-    # Called by producer to get next value; raise EOFError if no more
-    def get(self):
-        if self.killed:
-            raise TypeError, 'get() called on killed generator'
-        self.putlock.release()  # Resume producer thread
-        self.getlock.acquire()  # Wait for value to appear
-        if self.done:
-            raise EOFError  # Say there are no more values
-        return self.value
-    # Called by consumer if no more values wanted
-    def kill(self):
-        if self.killed:
-            raise TypeError, 'kill() called on killed generator'
-        self.killed = 1
-        self.putlock.release()
-    # Clone constructor
-    def clone(self):
-        return Generator(self.func, self.args)
-
-def pi(g):
-    k, a, b, a1, b1 = 2L, 4L, 1L, 12L, 4L
-    while 1:
-        # Next approximation
-        p, q, k = k*k, 2L*k+1L, k+1L
-        a, b, a1, b1 = a1, b1, p*a+q*a1, p*b+q*b1
-        # Print common digits
-        d, d1 = a/b, a1/b1
-        while d == d1:
-            g.put(int(d))
-            a, a1 = 10L*(a%b), 10L*(a1%b1)
-            d, d1 = a/b, a1/b1
-
-def test():
-    g = Generator(pi, ())
-    g.kill()
-    g = Generator(pi, ())
-    for i in range(10): print g.get(),
-    print
-    h = g.clone()
-    g.kill()
-    while 1:
-        print h.get(),
-
-test()