Misc changes and new modules. whrandom is "objectified". SOCKET.py
is moved to the sgi subdirectory.
diff --git a/Lib/tzparse.py b/Lib/tzparse.py
new file mode 100644
index 0000000..67c94de
--- /dev/null
+++ b/Lib/tzparse.py
@@ -0,0 +1,76 @@
+# Parse a timezone specification.
+# XXX Unfinished.
+# XXX Only the typical form "XXXhhYYY;ddd/hh,ddd/hh" is currently supported.
+
+tzpat = '^\([A-Z][A-Z][A-Z]\)\([-+]?[0-9]+\)\([A-Z][A-Z][A-Z]\);' + \
+ '\([0-9]+\)/\([0-9]+\),\([0-9]+\)/\([0-9]+\)$'
+
+tzprog = None
+
+def tzparse(tzstr):
+ global tzprog
+ if tzprog == None:
+ import regex
+ tzprog = regex.compile(tzpat)
+ if not tzprog.match(tzstr):
+ raise ValueError, 'not the TZ syntax I understand'
+ regs = tzprog.regs
+ subs = []
+ for i in range(1, 8):
+ a, b = regs[i]
+ subs.append(tzstr[a:b])
+ for i in (1, 3, 4, 5, 6):
+ subs[i] = eval(subs[i])
+ [tzname, delta, dstname, daystart, hourstart, dayend, hourend] = subs
+ return (tzname, delta, dstname, daystart, hourstart, dayend, hourend)
+
+def tzlocaltime(time, params):
+ import calendar
+ (tzname, delta, dstname, daystart, hourstart, dayend, hourend) = params
+ year, month, days, hours, mins, secs, yday, wday = \
+ calendar.gmtime(time - delta*3600)
+ if (daystart, hourstart) <= (yday+1, hours) < (dayend, hourend):
+ tzname = dstname
+ hours = hours + 1
+ return year, month, days, hours, mins, secs, yday, wday, tzname
+
+def tzset():
+ global tzparams, timezone, altzone, daylight, tzname
+ import os
+ tzstr = os.environ['TZ']
+ tzparams = tzparse(tzstr)
+ timezone = tzparams[1] * 3600
+ altzone = timezone + 3600
+ daylight = 1
+ tzname = tzparams[0], tzparams[2]
+
+def isdst(time):
+ import calendar
+ (tzname, delta, dstname, daystart, hourstart, dayend, hourend) = \
+ tzparams
+ year, month, days, hours, mins, secs, yday, wday = \
+ calendar.gmtime(time - delta*3600)
+ return (daystart, hourstart) <= (yday+1, hours) < (dayend, hourend)
+
+tzset()
+
+def localtime(time):
+ return tzlocaltime(time, tzparams)
+
+def test():
+ from calendar import asctime, gmtime
+ import time, sys
+ now = time.time()
+ x = localtime(now)
+ print 'now =', now, '=', asctime(x[:-1]), x[-1]
+ now = now - now % (24*3600)
+ if sys.argv[1:]: now = now + eval(sys.argv[1])
+ x = gmtime(now)
+ print 'gmtime =', now, '=', asctime(x), 'yday =', x[-2]
+ jan1 = now - x[-2]*24*3600
+ x = localtime(jan1)
+ print 'jan1 =', jan1, '=', asctime(x[:-1]), x[-1]
+ for d in range(85, 95) + range(265, 275):
+ t = jan1 + d*24*3600
+ x = localtime(t)
+ print 'd =', d, 't =', t, '=', asctime(x[:-1]), x[-1]