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# -*- test-case-name: twisted.scripts.test.test_scripts -*-
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Post-install GUI to compile to pyc and unpack twisted doco.
"""
import sys
import zipfile
import py_compile
# we're going to ignore failures to import tkinter and fall back
# to using the console if the required dll is not found
# Scary kludge to work around tk84.dll bug:
# https://sourceforge.net/tracker/index.php?func=detail&aid=814654&group_id=5470&atid=105470
# Without which(): you get a windows missing-dll popup message
from twisted.python.procutils import which
tkdll='tk84.dll'
if which(tkdll) or which('DLLs/%s' % tkdll):
try:
import Tkinter
from Tkinter import *
from twisted.internet import tksupport
except ImportError:
pass
# twisted
from twisted.internet import reactor, defer
from twisted.python import failure, log, zipstream, util, usage, log
# local
import os.path
class ProgressBar:
def __init__(self, master=None, orientation="horizontal",
min=0, max=100, width=100, height=18,
doLabel=1, appearance="sunken",
fillColor="blue", background="gray",
labelColor="yellow", labelFont="Arial",
labelText="", labelFormat="%d%%",
value=0, bd=2):
# preserve various values
self.master=master
self.orientation=orientation
self.min=min
self.max=max
self.width=width
self.height=height
self.doLabel=doLabel
self.fillColor=fillColor
self.labelFont= labelFont
self.labelColor=labelColor
self.background=background
self.labelText=labelText
self.labelFormat=labelFormat
self.value=value
self.frame=Frame(master, relief=appearance, bd=bd)
self.canvas=Canvas(self.frame, height=height, width=width, bd=0,
highlightthickness=0, background=background)
self.scale=self.canvas.create_rectangle(0, 0, width, height,
fill=fillColor)
self.label=self.canvas.create_text(self.canvas.winfo_reqwidth() / 2,
height / 2, text=labelText,
anchor="c", fill=labelColor,
font=self.labelFont)
self.update()
self.canvas.pack(side='top', fill='x', expand='no')
def pack(self, *args, **kwargs):
self.frame.pack(*args, **kwargs)
def updateProgress(self, newValue, newMax=None):
if newMax:
self.max = newMax
self.value = newValue
self.update()
def update(self):
# Trim the values to be between min and max
value=self.value
if value > self.max:
value = self.max
if value < self.min:
value = self.min
# Adjust the rectangle
if self.orientation == "horizontal":
self.canvas.coords(self.scale, 0, 0,
float(value) / self.max * self.width, self.height)
else:
self.canvas.coords(self.scale, 0,
self.height - (float(value) /
self.max*self.height),
self.width, self.height)
# Now update the colors
self.canvas.itemconfig(self.scale, fill=self.fillColor)
self.canvas.itemconfig(self.label, fill=self.labelColor)
# And update the label
if self.doLabel:
if value:
if value >= 0:
pvalue = int((float(value) / float(self.max)) *
100.0)
else:
pvalue = 0
self.canvas.itemconfig(self.label, text=self.labelFormat
% pvalue)
else:
self.canvas.itemconfig(self.label, text='')
else:
self.canvas.itemconfig(self.label, text=self.labelFormat %
self.labelText)
self.canvas.update_idletasks()
class Progressor:
"""A base class to make it simple to hook a progress bar up to a process.
"""
def __init__(self, title, *args, **kwargs):
self.title=title
self.stopping=0
self.bar=None
self.iterator=None
self.remaining=1000
def setBar(self, bar, max):
self.bar=bar
bar.updateProgress(0, max)
return self
def setIterator(self, iterator):
self.iterator=iterator
return self
def updateBar(self, deferred):
b=self.bar
try:
b.updateProgress(b.max - self.remaining)
except TclError:
self.stopping=1
except:
deferred.errback(failure.Failure())
def processAll(self, root):
assert self.bar and self.iterator, "must setBar and setIterator"
self.root=root
root.title(self.title)
d=defer.Deferred()
d.addErrback(log.err)
reactor.callLater(0.1, self.processOne, d)
return d
def processOne(self, deferred):
if self.stopping:
deferred.callback(self.root)
return
try:
self.remaining=self.iterator.next()
except StopIteration:
self.stopping=1
except:
deferred.errback(failure.Failure())
if self.remaining%10==0:
reactor.callLater(0, self.updateBar, deferred)
if self.remaining%100==0:
log.msg(self.remaining)
reactor.callLater(0, self.processOne, deferred)
def compiler(path):
"""A generator for compiling files to .pyc"""
def justlist(arg, directory, names):
pynames=[os.path.join(directory, n) for n in names
if n.endswith('.py')]
arg.extend(pynames)
all=[]
os.path.walk(path, justlist, all)
remaining=len(all)
i=zip(all, range(remaining-1, -1, -1))
for f, remaining in i:
py_compile.compile(f)
yield remaining
class TkunzipOptions(usage.Options):
optParameters=[["zipfile", "z", "", "a zipfile"],
["ziptargetdir", "t", ".", "where to extract zipfile"],
["compiledir", "c", "", "a directory to compile"],
]
optFlags=[["use-console", "C", "show in the console, not graphically"],
["shell-exec", "x", """\
spawn a new console to show output (implies -C)"""],
]
def countPys(countl, directory, names):
sofar=countl[0]
sofar=sofar+len([f for f in names if f.endswith('.py')])
countl[0]=sofar
return sofar
def countPysRecursive(path):
countl=[0]
os.path.walk(path, countPys, countl)
return countl[0]
def run(argv=sys.argv):
log.startLogging(file('tkunzip.log', 'w'))
opt=TkunzipOptions()
try:
opt.parseOptions(argv[1:])
except usage.UsageError, e:
print str(opt)
print str(e)
sys.exit(1)
if opt['use-console']:
# this should come before shell-exec to prevent infinite loop
return doItConsolicious(opt)
if opt['shell-exec'] or not 'Tkinter' in sys.modules:
from distutils import sysconfig
from twisted.scripts import tkunzip
myfile=tkunzip.__file__
exe=os.path.join(sysconfig.get_config_var('prefix'), 'python.exe')
return os.system('%s %s --use-console %s' % (exe, myfile,
' '.join(argv[1:])))
return doItTkinterly(opt)
def doItConsolicious(opt):
# reclaim stdout/stderr from log
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
if opt['zipfile']:
print 'Unpacking documentation...'
for n in zipstream.unzipIter(opt['zipfile'], opt['ziptargetdir']):
if n % 100 == 0:
print n,
if n % 1000 == 0:
print
print 'Done unpacking.'
if opt['compiledir']:
print 'Compiling to pyc...'
import compileall
compileall.compile_dir(opt["compiledir"])
print 'Done compiling.'
def doItTkinterly(opt):
root=Tkinter.Tk()
root.withdraw()
root.title('One Moment.')
root.protocol('WM_DELETE_WINDOW', reactor.stop)
tksupport.install(root)
prog=ProgressBar(root, value=0, labelColor="black", width=200)
prog.pack()
# callback immediately
d=defer.succeed(root).addErrback(log.err)
def deiconify(root):
root.deiconify()
return root
d.addCallback(deiconify)
if opt['zipfile']:
uz=Progressor('Unpacking documentation...')
max=zipstream.countZipFileChunks(opt['zipfile'], 4096)
uz.setBar(prog, max)
uz.setIterator(zipstream.unzipIterChunky(opt['zipfile'],
opt['ziptargetdir']))
d.addCallback(uz.processAll)
if opt['compiledir']:
comp=Progressor('Compiling to pyc...')
comp.setBar(prog, countPysRecursive(opt['compiledir']))
comp.setIterator(compiler(opt['compiledir']))
d.addCallback(comp.processAll)
def stop(ignore):
reactor.stop()
root.destroy()
d.addCallback(stop)
reactor.run()
if __name__=='__main__':
run()
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