def forceDirectoryUnmount(self, mount_point):
ret = environment.runSilent(["fusermount", "-u", mount_point])
i = 0
while (ret != 0 and i < 10):
time.sleep(1)
ret = environment.runSilent(["fusermount", "-u", mount_point])
i += 1
if (ret != 0):
log.showErrorW("Unable to unmount " + mount_point + ". Please unmount manually.")
return False
return True
def create(self, size_bytes):
# Check to make sure the file doesn't already exist.
if (self.exists()):
raise PackageAlreadyExistsException()
# Create a temporary folder for working in.
tempfolder = tempfile.mkdtemp("", self.appname_prefix + "_build_area.", "/tmp/")
log.showInfoW("Total size for Ext2 partition will be: " + str(float(size_bytes) / (1024 * 1024)) + " MB")
# Create a zero'd file so that we can partition it.
log.showInfoW("Creating zero'd file at " + os.path.join(tempfolder, "app.ext2") + "...")
with open(os.path.join(tempfolder, "app.ext2"), "w") as f:
f.write("".ljust(int(size_bytes), "\0"))
# Now format the zero'd file.
log.showInfoW("Formatting Ext2 partition at " + os.path.join(tempfolder, "app.ext2") + "...")
if (environment.runSilent(["mkfs.ext2", "-F", "-t", "ext2", os.path.join(tempfolder, "app.ext2")]) != 0):
log.showErrorW("An error occurred while formatting the Ext2 partition.")
raise PackageCreationFailureException()
# Attach the blank partition to the AppFS bootstrapping binary.
log.showInfoW("Attaching Ext2 partition to AppFS file at " + os.path.join(tempfolder, "app.afs") + "...")
if (subprocess.call(["appattach", os.path.join(tempfolder, "app.ext2"), os.path.join(tempfolder, "app.afs")]) != 0):
log.showErrorW("An error occurred while attaching the Ext2 partition to")
log.showErrorO("the AppFS binary. Check above for error messages.")
raise PackageCreationFailureException()
# Move the newly created package to the new location.
log.showInfoW("Moving package to " + self.filename + "...")
try:
os.rename(os.path.join(tempfolder, "app.afs"), self.filename)
except:
log.showErrorW("Failed to move AppFS package to target.")
raise PackageCreationFailureException()
log.showSuccessW("Package successfully created.")
# Remove our temporary files
try:
self.forceFileRemoval(os.path.join(tempfolder, "app.afs"))
self.forceFileRemoval(os.path.join(tempfolder, "app.ext2"))
os.rmdir(tempfolder)
log.showSuccessW("Cleaned up temporary working directory.")
except:
log.showErrorW("Unable to clean up working directory at: " + tempfolder)
log.showErrorO("Please remove directory manually.")
return True
