TTX.py :  » GUI » TTX-FontTools » fonttools-2.3 » Mac » Python Open Source

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Python Open Source » GUI » TTX FontTools 
TTX FontTools » fonttools 2.3 » Mac » TTX.py
"""Main TTX application, Mac-only"""


#make sure we don't lose events to SIOUX
import MacOS
MacOS.EnableAppswitch(-1)

def SetWatchCursor():
  import Qd, QuickDraw
  Qd.SetCursor(Qd.GetCursor(QuickDraw.watchCursor).data)

def SetArrowCursor():
  import Qd
  Qd.SetCursor(Qd.qd.arrow)

SetWatchCursor()

# a few constants
LOGFILENAME = "TTX errors"
PREFSFILENAME = "TTX preferences"
DEFAULTXMLOUTPUT = ":XML output"
DEFAULTTTOUTPUT = ":TrueType output"


import FrameWork
import MiniAEFrame, AppleEvents
import EasyDialogs
import Res
import macfs
import os
import sys, time
import re, string
import traceback
from fontTools import ttLib,version
from fontTools.ttLib import xmlImport
from fontTools.ttLib.macUtils import ProgressBar

abouttext = """\
TTX - The free TrueType to XML to TrueType converter
(version %s)
Copyright 1999-2001, Just van Rossum (Letterror)
just@letterror.com""" % version


class TTX(FrameWork.Application, MiniAEFrame.AEServer):
  
  def __init__(self):
    FrameWork.Application.__init__(self)
    MiniAEFrame.AEServer.__init__(self)
    self.installaehandler(
      AppleEvents.kCoreEventClass, AppleEvents.kAEOpenApplication, self.do_nothing)
    self.installaehandler(
      AppleEvents.kCoreEventClass, AppleEvents.kAEPrintDocuments, self.do_nothing)
    self.installaehandler(
      AppleEvents.kCoreEventClass, AppleEvents.kAEOpenDocuments, self.handle_opendocumentsevent)
    self.installaehandler(
      AppleEvents.kCoreEventClass, AppleEvents.kAEQuitApplication, self.handle_quitevent)
  
  def idle(self, event):
    SetArrowCursor()
  
  def makeusermenus(self):
    m = FrameWork.Menu(self.menubar, "File")
    FrameWork.MenuItem(m, "Open...", "O", self.domenu_open)
    FrameWork.Separator(m)
    FrameWork.MenuItem(m, "Quit", "Q", self._quit)
  
  def do_about(self, *args):
    EasyDialogs.Message(abouttext)
  
  def handle_quitevent(self, *args, **kwargs):
    self._quit()
  
  def domenu_open(self, *args):
    fss, ok = macfs.StandardGetFile()
    if ok:
      self.opendocument(fss.as_pathname())
  
  def handle_opendocumentsevent(self, docs, **kwargs):
    if type(docs) <> type([]):
      docs = [docs]
    for doc in docs:
      fss, a = doc.Resolve()
      path = fss.as_pathname()
      self.opendocument(path)
  
  def opendocument(self, path):
    filename = os.path.basename(path)
    filetype = guessfiletype(path)
    handler = getattr(self, "handle_%s_file" % filetype)
    handler(path)
  
  def handle_xml_file(self, path):
    prefs = getprefs()
    makesuitcase = int(prefs.get("makesuitcases", 0))
    dstfolder = prefs.get("ttoutput", DEFAULTTTOUTPUT)
    if not os.path.exists(dstfolder):
      os.mkdir(dstfolder)
    srcfilename = dstfilename = os.path.basename(path)
    if dstfilename[-4:] in (".ttx", ".xml"):
      dstfilename = dstfilename[:-4]
    if dstfilename[-4:] not in (".TTF", ".ttf"):
      dstfilename = dstfilename + ".TTF"
    dst = os.path.join(dstfolder, dstfilename)
    
    if makesuitcase:
      try:
        # see if the destination file is writable,
        # otherwise we'll get an error waaay at the end of
        # the parse procedure
        testref = Res.FSpOpenResFile(macfs.FSSpec(dst), 3)  # read-write
      except Res.Error, why:
        if why[0] <> -43: # file not found
          EasyDialogs.Message("Can't create '%s'; file already open" % dst)
          return
      else:
        Res.CloseResFile(testref)
    else:
      try:
        f = open(dst, "wb")
      except IOError, why:
        EasyDialogs.Message("Can't create '%s'; file already open" % dst)
        return
      else:
        f.close()
    pb = ProgressBar("Reading TTX file '%s'..." % srcfilename)
    try:
      tt = ttLib.TTFont()
      tt.importXML(path, pb)
      pb.setlabel("Compiling and saving...")
      tt.save(dst, makesuitcase)
    finally:
      pb.close()
  
  def handle_datafork_file(self, path):
    prefs = getprefs()
    dstfolder = prefs.get("xmloutput", DEFAULTXMLOUTPUT)
    if not os.path.exists(dstfolder):
      os.mkdir(dstfolder)
    filename = os.path.basename(path)
    pb = ProgressBar("Dumping '%s' to XML..." % filename)
    if filename[-4:] in (".TTF", ".ttf"):
      filename = filename[:-4]
    filename = filename + ".ttx"
    dst = os.path.join(dstfolder, filename)
    try:
      tt = ttLib.TTFont(path)
      tt.saveXML(dst, pb)
    finally:
      pb.close()
  
  def handle_resource_file(self, path):
    prefs = getprefs()
    dstfolder = prefs.get("xmloutput", DEFAULTXMLOUTPUT)
    if not os.path.exists(dstfolder):
      os.mkdir(dstfolder)
    filename = os.path.basename(path)
    fss = macfs.FSSpec(path)
    try:
      resref = Res.FSpOpenResFile(fss, 1)  # read-only
    except:
      return "unknown"
    Res.UseResFile(resref)
    pb = None
    try:
      n = Res.Count1Resources("sfnt")
      for i in range(1, n+1):
        res = Res.Get1IndResource('sfnt', i)
        resid, restype, resname = res.GetResInfo()
        if not resname:
          resname = filename + `i`
        pb = ProgressBar("Dumping '%s' to XML..." % resname)
        dst = os.path.join(dstfolder, resname + ".ttx")
        try:
          tt = ttLib.TTFont(path, i)
          tt.saveXML(dst, pb)
        finally:
          pb.close()
    finally:
      Res.CloseResFile(resref)
  
  def handle_python_file(self, path):
    pass
    #print "python", path
  
  def handle_unknown_file(self, path):
    EasyDialogs.Message("Cannot open '%s': unknown file kind" % os.path.basename(path))
  
  def do_nothing(self, *args, **kwargs):
    pass
  
  def mainloop(self, mask=FrameWork.everyEvent, wait=0):
    self.quitting = 0
    while not self.quitting:
      try:
        self.do1event(mask, wait)
      except self.__class__:
        # D'OH! FrameWork tries to quit us on cmd-.!
        pass
      except KeyboardInterrupt:
        pass
      except ttLib.xmlImport.xml_parse_error, why:
        EasyDialogs.Message(
          "An error occurred while parsing the XML file:\n" + why)
      except:
        exc = traceback.format_exception(sys.exc_type, sys.exc_value, None)[0]
        exc = string.strip(exc)
        EasyDialogs.Message("An error occurred!\n%s\n[see the logfile '%s' for details]" % 
            (exc, LOGFILENAME))
        traceback.print_exc()
  
  def do_kHighLevelEvent(self, event):
    import AE
    AE.AEProcessAppleEvent(event)



def guessfiletype(path):
  #if path[-3:] == ".py":
  #  return "python"
  f = open(path, "rb")
  data = f.read(21)
  f.close()
  if data[:5] == "<?xml":
    return "xml"
  elif data[:4] in ("\000\001\000\000", "OTTO", "true"):
    return "datafork"
  else:
    # assume res fork font
    fss = macfs.FSSpec(path)
    try:
      resref = Res.FSpOpenResFile(fss, 1)  # read-only
    except:
      return "unknown"
    Res.UseResFile(resref)
    i = Res.Count1Resources("sfnt")
    Res.CloseResFile(resref)
    if i > 0:
      return "resource"
  return "unknown"


default_prefs = """\
xmloutput:  ":XML output"
ttoutput:  ":TrueType output"
makesuitcases:  1
"""

def getprefs(path=PREFSFILENAME):
  if not os.path.exists(path):
    f = open(path, "w")
    f.write(default_prefs)
    f.close()
  f = open(path)
  lines = f.readlines()
  prefs = {}
  for line in lines:
    if line[-1:] == "\n":
      line = line[:-1]
    try:
      name, value = re.split(":", line, 1)
      prefs[string.strip(name)] = eval(value)
    except:
      pass
  return prefs


class dummy_stdin:
  def readline(self):
    return ""
sys.stdin = dummy_stdin()

# redirect all output to a log file
sys.stdout = sys.stderr = open(LOGFILENAME, "w", 0)  # unbuffered
print "Starting TTX at " + time.ctime(time.time())

# fire it up!
ttx = TTX()
ttx.mainloop()


# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# clues for BuildApplication/MacFreeze. 
#
# These modules somehow get imported, but we don't want/have them:
#
# macfreeze: exclude msvcrt
# macfreeze: exclude W
# macfreeze: exclude SOCKS
# macfreeze: exclude TERMIOS
# macfreeze: exclude termios
# macfreeze: exclude icglue
# macfreeze: exclude ce
#
# these modules are imported dynamically, so MacFreeze won't see them:
#
# macfreeze: include fontTools.ttLib.tables._c_m_a_p
# macfreeze: include fontTools.ttLib.tables._c_v_t
# macfreeze: include fontTools.ttLib.tables._f_p_g_m
# macfreeze: include fontTools.ttLib.tables._g_a_s_p
# macfreeze: include fontTools.ttLib.tables._g_l_y_f
# macfreeze: include fontTools.ttLib.tables._h_d_m_x
# macfreeze: include fontTools.ttLib.tables._h_e_a_d
# macfreeze: include fontTools.ttLib.tables._h_h_e_a
# macfreeze: include fontTools.ttLib.tables._h_m_t_x
# macfreeze: include fontTools.ttLib.tables._k_e_r_n
# macfreeze: include fontTools.ttLib.tables._l_o_c_a
# macfreeze: include fontTools.ttLib.tables._m_a_x_p
# macfreeze: include fontTools.ttLib.tables._n_a_m_e
# macfreeze: include fontTools.ttLib.tables._p_o_s_t
# macfreeze: include fontTools.ttLib.tables._p_r_e_p
# macfreeze: include fontTools.ttLib.tables._v_h_e_a
# macfreeze: include fontTools.ttLib.tables._v_m_t_x
# macfreeze: include fontTools.ttLib.tables.L_T_S_H_
# macfreeze: include fontTools.ttLib.tables.O_S_2f_2
# macfreeze: include fontTools.ttLib.tables.T_S_I__0
# macfreeze: include fontTools.ttLib.tables.T_S_I__1
# macfreeze: include fontTools.ttLib.tables.T_S_I__2
# macfreeze: include fontTools.ttLib.tables.T_S_I__3
# macfreeze: include fontTools.ttLib.tables.T_S_I__5
# macfreeze: include fontTools.ttLib.tables.C_F_F_

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