def initPackedAppEnvironment(self):
""" This function sets up the Python environment suitably for
running a packed app. It should only run once in any given
session (and it includes logic to ensure this). """
if self.packedAppEnvironmentInitialized:
return
self.packedAppEnvironmentInitialized = True
vfs = VirtualFileSystem.getGlobalPtr()
# Now set up Python to import this stuff.
VFSImporter.register()
sys.path.append(self.multifileRoot)
# Make sure that $MAIN_DIR is set to the p3d root before we
# start executing the code in this file.
ExecutionEnvironment.setEnvironmentVariable(
"MAIN_DIR",
Filename(self.multifileRoot).toOsSpecific())
# Put our root directory on the model-path, too.
getModelPath().appendDirectory(self.multifileRoot)
if not self.trueFileIO:
# Replace the builtin open and file symbols so user code will get
# our versions by default, which can open and read files out of
# the multifile.
builtins.open = file.open
if sys.version_info < (3, 0):
builtins.file = file.open
builtins.execfile = file.execfile
os.listdir = file.listdir
os.walk = file.walk
os.path.join = file.join
os.path.isfile = file.isfile
os.path.isdir = file.isdir
os.path.exists = file.exists
os.path.lexists = file.lexists
os.path.getmtime = file.getmtime
os.path.getsize = file.getsize
sys.modules['glob'] = glob
self.checkDiskUsage()
def initPackedAppEnvironment(self):
""" This function sets up the Python environment suitably for
running a packed app. It should only run once in any given
session (and it includes logic to ensure this). """
if self.packedAppEnvironmentInitialized:
return
self.packedAppEnvironmentInitialized = True
vfs = VirtualFileSystem.getGlobalPtr()
# Now set up Python to import this stuff.
VFSImporter.register()
sys.path.append(self.multifileRoot)
# Make sure that $MAIN_DIR is set to the p3d root before we
# start executing the code in this file.
ExecutionEnvironment.setEnvironmentVariable("MAIN_DIR", Filename(self.multifileRoot).toOsSpecific())
# Put our root directory on the model-path, too.
getModelPath().appendDirectory(self.multifileRoot)
if not self.trueFileIO:
# Replace the builtin open and file symbols so user code will get
# our versions by default, which can open and read files out of
# the multifile.
builtins.open = file.open
if sys.version_info < (3, 0):
builtins.file = file.open
builtins.execfile = file.execfile
os.listdir = file.listdir
os.walk = file.walk
os.path.join = file.join
os.path.isfile = file.isfile
os.path.isdir = file.isdir
os.path.exists = file.exists
os.path.lexists = file.lexists
os.path.getmtime = file.getmtime
os.path.getsize = file.getsize
sys.modules["glob"] = glob
self.checkDiskUsage()
def installPackage(self, appRunner):
""" Mounts the package and sets up system paths so it becomes
available for use. Returns true on success, false on failure. """
assert self.hasPackage
if self.installed:
# Already installed.
return True
assert self not in appRunner.installedPackages
mfPathname = Filename(self.getPackageDir(),
self.uncompressedArchive.filename)
mf = Multifile()
if not mf.openRead(mfPathname):
self.notify.warning("Couldn't open %s" % (mfPathname))
return False
# We mount it under its actual location on disk.
root = self.getPackageDir()
vfs = VirtualFileSystem.getGlobalPtr()
vfs.mount(mf, root, vfs.MFReadOnly)
# Add this to the Python search path, if it's not already
# there. We have to take a bit of care to check if it's
# already there, since there can be some ambiguity in
# os-specific path strings.
osRoot = self.getPackageDir().toOsSpecific()
foundOnPath = False
for p in sys.path:
if osRoot == p:
# Already here, exactly.
foundOnPath = True
break
elif osRoot == Filename.fromOsSpecific(p).toOsSpecific():
# Already here, with some futzing.
foundOnPath = True
break
if not foundOnPath:
# Not already here; add it.
sys.path.append(osRoot)
# Put it on the model-path, too. We do this indiscriminantly,
# because the Panda3D runtime won't be adding things to the
# model-path, so it shouldn't be already there.
getModelPath().appendDirectory(self.getPackageDir())
# Set the environment variable to reference the package root.
envvar = '%s_ROOT' % (self.packageName.upper())
ExecutionEnvironment.setEnvironmentVariable(envvar, osRoot)
# Add the package root to the system paths.
if sys.platform.startswith('win'):
path = os.environ.get('PATH', '')
os.environ['PATH'] = "%s;%s" % (osRoot, path)
else:
path = os.environ.get('PATH', '')
os.environ['PATH'] = "%s:%s" % (osRoot, path)
path = os.environ.get('LD_LIBRARY_PATH', '')
os.environ['LD_LIBRARY_PATH'] = "%s:%s" % (osRoot, path)
if sys.platform == "darwin":
path = os.environ.get('DYLD_LIBRARY_PATH', '')
os.environ['DYLD_LIBRARY_PATH'] = "%s:%s" % (osRoot, path)
# Now that the environment variable is set, read all of the
# prc files in the package.
appRunner.loadMultifilePrcFiles(mf, self.getPackageDir())
# Also, find any toplevel Python packages, and add these as
# shared packages. This will allow different packages
# installed in different directories to share Python files as
# if they were all in the same directory.
for filename in mf.getSubfileNames():
if filename.endswith('/__init__.pyc') or \
filename.endswith('/__init__.pyo') or \
filename.endswith('/__init__.py'):
components = filename.split('/')[:-1]
moduleName = '.'.join(components)
VFSImporter.sharedPackages[moduleName] = True
# Fix up any shared directories so we can load packages from
# disparate locations.
VFSImporter.reloadSharedPackages()
self.installed = True
appRunner.installedPackages.append(self)
self.markUsed()
return True
def installPackage(self, appRunner):
""" Mounts the package and sets up system paths so it becomes
available for use. Returns true on success, false on failure. """
assert self.hasPackage
if self.installed:
# Already installed.
return True
assert self not in appRunner.installedPackages
mfPathname = Filename(self.getPackageDir(), self.uncompressedArchive.filename)
mf = Multifile()
if not mf.openRead(mfPathname):
self.notify.warning("Couldn't open %s" % (mfPathname))
return False
# We mount it under its actual location on disk.
root = self.getPackageDir()
vfs = VirtualFileSystem.getGlobalPtr()
vfs.mount(mf, root, vfs.MFReadOnly)
# Add this to the Python search path, if it's not already
# there. We have to take a bit of care to check if it's
# already there, since there can be some ambiguity in
# os-specific path strings.
osRoot = self.getPackageDir().toOsSpecific()
foundOnPath = False
for p in sys.path:
if osRoot == p:
# Already here, exactly.
foundOnPath = True
break
elif osRoot == Filename.fromOsSpecific(p).toOsSpecific():
# Already here, with some futzing.
foundOnPath = True
break
if not foundOnPath:
# Not already here; add it.
sys.path.append(osRoot)
# Put it on the model-path, too. We do this indiscriminantly,
# because the Panda3D runtime won't be adding things to the
# model-path, so it shouldn't be already there.
getModelPath().appendDirectory(self.getPackageDir())
# Set the environment variable to reference the package root.
envvar = '%s_ROOT' % (self.packageName.upper())
ExecutionEnvironment.setEnvironmentVariable(envvar, osRoot)
# Add the package root to the system paths.
if sys.platform.startswith('win'):
path = os.environ.get('PATH', '')
os.environ['PATH'] = "%s;%s" % (osRoot, path)
else:
path = os.environ.get('PATH', '')
os.environ['PATH'] = "%s:%s" % (osRoot, path)
path = os.environ.get('LD_LIBRARY_PATH', '')
os.environ['LD_LIBRARY_PATH'] = "%s:%s" % (osRoot, path)
if sys.platform == "darwin":
path = os.environ.get('DYLD_LIBRARY_PATH', '')
os.environ['DYLD_LIBRARY_PATH'] = "%s:%s" % (osRoot, path)
# Now that the environment variable is set, read all of the
# prc files in the package.
appRunner.loadMultifilePrcFiles(mf, self.getPackageDir())
# Also, find any toplevel Python packages, and add these as
# shared packages. This will allow different packages
# installed in different directories to share Python files as
# if they were all in the same directory.
for filename in mf.getSubfileNames():
if filename.endswith('/__init__.pyc') or \
filename.endswith('/__init__.pyo') or \
filename.endswith('/__init__.py'):
components = filename.split('/')[:-1]
moduleName = '.'.join(components)
VFSImporter.sharedPackages[moduleName] = True
# Fix up any shared directories so we can load packages from
# disparate locations.
VFSImporter.reloadSharedPackages()
self.installed = True
appRunner.installedPackages.append(self)
self.markUsed()
return True
