def pre_install(package_name, download_url):
#pre install - using smart.fetcher module to download package
print '\n***Downloding WinLibre package...***'
try:
fetcher = Fetcher()
fetcher.reset()
info = {}#{'uncomp': True}
item = fetcher.enqueue(download_url, **info)
if (fetcher.run(what=False) is False):
print 'Using cached download'
except:
print 'Download error occoured'
#extracting the package to temp using 7Z CLI
print '\n***Now extracting the package contents...***'
temp_dir = os.getenv('temp')
download_name = temp_dir + '\\' + pkg_name(download_url)
#extract arg is temprorary and system dependent
#appending $PATH to have 7za.exe will remove absolute path neccessity
extract_arg = 'C:\wpc\wpc2\winlibre1.0\wpkg\\7za.exe'+' e ' + '-o'+temp_dir+' -y '+ download_name
try:
p = Popen([extract_arg], stdout=PIPE, shell = True)
op = p.communicate()[0]
print 'Output : ' , op
except Exception, e:
print 'Errors occoured during extract', e
op = -3 #Error code
def downloader(self, URL):
#using smart.fetcher() to download the package
try:
fetcher = Fetcher()
fetcher.reset()
info = {}#{'uncomp': True}
item = fetcher.enqueue(URL, **info)
if (fetcher.run(what=False) is False):
print 'Using cached download'
except:
print 'Download error occoured'
