Improve PyQt4 import hook to automatically bundle required plugins.

git-svn-id: http://svn.pyinstaller.org/trunk@614 8dd32b29-ccff-0310-8a9a-9233e24343b1

hooks/hook-PyQt4.QtCore.py

@@ -1,2 +1,11 @@
 hiddenimports = ['sip', "PyQt4._qt"]
 
+from hooks.hookutils import qt4_plugins_dir
+pdir = qt4_plugins_dir()
+
+datas = [
+     (pdir + "/codecs/*.so",      "qt4_plugins/codecs"),
+     (pdir + "/codecs/*.dll",     "qt4_plugins/codecs"),
+     (pdir + "/codecs/*.dylib",   "qt4_plugins/codecs"),
+]
+

hooks/hook-PyQt4.QtGui.py

@@ -1 +1,19 @@
 hiddenimports = ['sip', 'PyQt4.QtCore', 'PyQt4._qt']
+
+from hooks.hookutils import qt4_plugins_dir
+pdir = qt4_plugins_dir()
+
+datas = [
+     (pdir + "/imageformats/*.so",      "qt4_plugins/imageformats"),
+     (pdir + "/imageformats/*.dll",     "qt4_plugins/imageformats"),
+     (pdir + "/imageformats/*.dylib",   "qt4_plugins/imageformats"),
+
+     (pdir + "/iconengines/*.so",       "qt4_plugins/iconengines"),
+     (pdir + "/iconengines/*.dll",      "qt4_plugins/iconengines"),
+     (pdir + "/iconengines/*.dylib",    "qt4_plugins/iconengines"),
+
+     (pdir + "/accessible/*.so",        "qt4_plugins/accessible"),
+     (pdir + "/accessible/*.dll",       "qt4_plugins/accessible"),
+     (pdir + "/accessible/*.dylib",     "qt4_plugins/accessible"),
+]
+

hooks/hook-PyQt4.QtScript.py

@@ -0,0 +1,11 @@
+hiddenimports = ['sip', 'PyQt4.QtCore', 'PyQt4._qt']
+
+from hooks.hookutils import qt4_plugins_dir
+pdir = qt4_plugins_dir()
+
+datas = [
+     (pdir + "/script/*.so",      "qt4_plugins/script"),
+     (pdir + "/script/*.dll",     "qt4_plugins/script"),
+     (pdir + "/script/*.dylib",   "qt4_plugins/script"),
+]
+

hooks/hook-PyQt4.QtSql.py

@@ -1,2 +1,11 @@
 hiddenimports = ['sip', 'PyQt4.QtCore', 'PyQt4.QtGui', 'PyQt4._qt']
 
+from hooks.hookutils import qt4_plugins_dir
+pdir = qt4_plugins_dir()
+
+datas = [
+     (pdir + "/sqldrivers/*.so",      "qt4_plugins/sqldrivers"),
+     (pdir + "/sqldrivers/*.dll",     "qt4_plugins/sqldrivers"),
+     (pdir + "/sqldrivers/*.dylib",   "qt4_plugins/sqldrivers"),
+]
+

hooks/hookutils.py

@@ -20,3 +20,7 @@ def exec_statement(stat):
     txt = open(fnm, 'r').read()[:-1]
     os.remove(fnm)
     return txt
+
+def qt4_plugins_dir():
+    return exec_statement("from PyQt4.QtCore import QLibraryInfo; print QLibraryInfo.location(QLibraryInfo.PluginsPath)")
+

rthooks.dat

@@ -3,4 +3,5 @@
     'pywintypes': ['support/rthooks/versioneddll.py'],
     'win32com':   ['support/rthooks/win32comgenpy.py'],
     'OpenGL':     ['support/rthooks/opengl.py'],
+    'PyQt4':      ['support/rthooks/qt4plugins.py'],
 }

support/rthooks/qt4plugins.py

@@ -0,0 +1,10 @@
+# Qt4 plugins are bundled as data files (see hooks/hook-PyQt4*),
+# within a "qt4_plugins" directory.
+# We add a runtime hook to tell Qt4 where to find them,
+# through an environment variable.
+import os
+d = "qt4_plugins"
+if "_MEIPASS2" in os.environ:
+    d = os.path.join(os.environ["_MEIPASS2"], d)
+os.environ["QT_PLUGIN_PATH"] = d + os.pathsep + os.environ.get("QT_PLUGIN_PATH", "")
+