def create_tar_xml_file(config, session_id, device_code, tar_xml_doc):
xmlfile = open(ltoUtil.get_tar_build_dir(config)+'/'+session_id+'-'+device_code+'.xml', "w")
pretty_doc = tar_xml_doc.toprettyxml()
#Hack to put id attribute at the start
pretty_doc = string.replace(pretty_doc, '_id="', 'id="')
xmlfile.write(pretty_doc)
xmlfile.close()
def generate_proxy_files(config, domain):
dir = ltoUtil.get_tar_build_dir(config)
filelist = []
for file in os.listdir(dir):
if media_in_domain(file, domain, config):
filepath = os.path.join(dir, file)
filelist.append(filepath)
filelist.sort()
for filepath in filelist:
generate_proxy(config, domain, filepath)
def create_referenced_items_file(config, session_id, device_code):
tarMeta = open(os.path.join(ltoUtil.get_tar_build_dir(config), session_id+'-'+device_code+'-referenced-items.xml'),'w')
params = urllib.urlencode({'sessionIds':session_id, 'deviceCodes':device_code})
conn = httplib.HTTPConnection(ltoUtil.get_host_port(config))
try:
conn.request('GET', ltoUtil.get_transcript_url(config)+'/xquery/get-referenced-items.xql?'+params, None, {})
response = conn.getresponse()
tarMeta.writelines(response.read())
except httplib.HTTPException, e:
print 'Unable to connect to database'
def create_tar_archive(config, session_id, device_code, tar_xml_doc):
ref_file_name = session_id+'-'+device_code+'-referenced-items.xml'
tar_name = session_id+'-'+device_code+'.tar'
tar_path = ltoUtil.get_tar_build_dir(config)+'/'+tar_name
block_size_bytes = int(config.get('Tape', 'block_size_bytes'))
blocking_factor = block_size_bytes/512
filelist = []
for file in os.listdir(ltoUtil.get_tar_build_dir(config)):
filelist.append(file)
filelist.remove(ref_file_name)
filelist.sort()
filelist_str = ref_file_name+' '+string.join(filelist, ' ')
print '\nCreating tar archive: '+tar_path
p = subprocess.Popen('tar -cvR -b '+str(blocking_factor)+' --format='+ltoUtil.get_tar_format(config)+' -C '+ltoUtil.get_tar_build_dir(config)+' -f '+tar_path+' '+filelist_str, shell=True, stdout=subprocess.PIPE)
stdout_value = p.stdout.readlines()
del stdout_value[0]
for line in stdout_value:
update_block_xml_attributes(tar_xml_doc, line, config)
update_tar_xml_root_attributes(config, tar_xml_doc, tar_name)
def move_tar_files(config, session_id, device_code):
tb = ltoUtil.get_tar_build_dir(config)
archive_id = session_id+'-'+device_code
tar = tb+'/'+archive_id+'.tar'
xml = tb+'/'+archive_id+'.xml'
dest = config.get('Dirs', 'tar_archive_dir')
try:
print '\nMoving '+archive_id+'.tar to '+dest
ltoUtil.move(tar, dest)
print '\nMoving '+archive_id+'.xml to '+dest
ltoUtil.move(xml, dest)
except Exception, e:
print '\nUnable to move archive files to: '+dest
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)
def media_file_types_check(config, category, path):
category_filetypes = config.get('CategoryFileTypes', category).split(',')
media_file_count = 0
total_file_size = 0
non_category_files = []
for dirpath, dirnames, filenames in os.walk(path):
for file in filenames:
if media_in_domain(file, 'video', config) or media_in_domain(file, 'audio', config) or media_in_domain(file, 'image', config):
if not media_in_category(file, category, config):
non_category_files.append(os.path.join(dirpath, file))
else:
media_file_count += 1
total_file_size += ltoUtil.get_filesize(os.path.join(dirpath, file))
free_bytes = ltoUtil.get_freespace(ltoUtil.get_tar_build_dir(config))
if (len(non_category_files) > 0):
print 'WARNING: The following unexpected media files were found in the folder: '+path+'\n'
for f in non_category_files:
print f
print '\nExpecting only '+string.upper(string.join(category_filetypes, ','))+' files for "'+category+'" category.'
print '\nNOTE: This situation should only occur if when one device has generated multiple media formats. (e.g. a video camera taking stills/audio as well as video)'
print 'Usually this indicates that the files have been misplaced, in which case the user should manually remove them before re-running the script.\n'
proceed = raw_input('Do you still want to proceed, including these files in the archive? [y/n]: ')
if proceed == 'y':
return
else:
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)
elif media_file_count == 0:
print 'No recognised media files were found in: '+path
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)
elif total_file_size > free_bytes - (1024*1024):
print 'The total file size of the media files to be archived ('+ltoUtil.format_bytes_to_gbs(total_file_size)+') exceeds the free space available in '+ltoUtil.get_tar_build_dir(config)+' ('+ltoUtil.format_bytes_to_gbs(free_bytes)+').'
print ltoUtil.get_script_name()+' script terminated.'
sys.exit(2)
def update_tar_xml_root_attributes(config, doc, tar_name):
doc.documentElement.setAttribute('md5', ltoUtil.get_md5_hash(ltoUtil.get_tar_build_dir(config)+'/'+tar_name))
doc.documentElement.setAttribute('size', str(ltoUtil.get_filesize(ltoUtil.get_tar_build_dir(config)+'/'+tar_name)))
def get_new_filepath(config, domain, media_id, filepath):
tb = ltoUtil.get_tar_build_dir(config)
extn = string.lower(ltoUtil.get_file_extn(filepath))
new_fp = tb+'/'+domain+'-'+media_id+'.'+extn
return new_fp
