def create(uri, alias = ""):
# create datastore root dir if it does not exist
if not os.path.exists(Datastore._dsroot):
os.makedirs(Datastore._dsroot)
from urlparse import urlparse
ohash = urlparse(uri)
if ohash.scheme not in Datastore._schemes:
return None
# return None if given uri is already created
if os.path.exists(os.path.join(Datastore._dsroot, uri)):
return None
# fails to create the datastore if alias exists
if alias and os.path.exists(os.path.join(Datastore._dsroot, alias)):
return None
# if alias not provided, then try to create a default one
if not alias:
for avail in range(1, 1024):
if not os.path.exists(os.path.join(Datastore._dsroot, Datastore._dsprefix + str(avail))):
alias = Datastore._dsprefix + str(avail)
break
# if alias not provided nor the default one created successfully,
# return a failure.
if not alias:
return None
uuid = utils.uuidgen()
path = os.path.join(Datastore._dsroot, uuid)
if ohash.scheme == "file":
# only a link is required for a local dir
os.symlink(ohash.path, path)
else:
os.mkdirs(path, 0755)
cwd = os.getcwd()
os.chdir(Datastore._dsroot)
os.symlink(uri, alias)
# create anonymous dir if it does not exist
anonym = utils.uuidgen()
if not os.path.exists(os.path.join(path, Datastore._anonymous)):
os.makedirs(os.path.join(path, anonym), 0755)
os.chdir(path)
os.symlink(anonym, Datastore._anonymous)
os.chdir(cwd)
return Datastore(uri, alias)
def export_price_sheet(self):
inputParams = self.getInput()
try:
order = Orders.get(Orders.id == int(inputParams['id']))
details = OrderDetails.select().where(OrderDetails.order == order).order_by(OrderDetails.id.desc())
self.privData['ORDER'] = order
self.privData['DETAILS'] = details
import pdfcrowd
# create an API client instance
client = pdfcrowd.Client("luo_brian", "8fee9a05739553c92673004a3ec80201")
# convert an HTML string and save the result to a file
import os
import config
import utils
tmpFile = os.path.join(config.UPLOAD_DIR, 'temp', '%s.pdf' % utils.uuidgen())
ofile = open(tmpFile, 'wb')
html = self.display('price-sheet-details-pdf')
#html="<head></head><body>我的转换</body>"
client.convertHtml(html, ofile)
ofile.close()
buf = open(tmpFile).read()
os.unlink(tmpFile)
web.header('Content-Type', 'application/pdf')
return buf
except Exception, e:
print e
return self.error(msg='获取订单详情失败!')
def create_group(self, alias = None):
if not alias:
alias = os.tempnam(self.path)
name = "__vm__" + alias
if os.path.exists(os.path.join(self.path, name)):
return None
for retry in range(3):
guid = utils.uuidgen()
path = os.path.join(self.path, guid)
if not os.path.exists(path):
os.mkdirs(path, 0755)
os.symlink(path, os.path.join(path, name))
return VolumeGroup(self, guid, alias)
return None
def __init__(self, rawdata):
uploadDir = config.UPLOAD_DIR
uploadTemp = os.path.join(uploadDir, 'temp')
self._mimetype = None
from utils import uuidgen
self._uuid = uuidgen()
source = os.path.join(uploadTemp, self._uuid)
open(source, 'w').write(rawdata)
import magic
try:
ms = magic.open(magic.MAGIC_MIME)
ms.load()
self._mimetype = ms.file(source).lower().split(';')[0]
ms.close()
except Exception, e:
self._mimetype = magic.from_file(source, mime=True)
def __init__(self, data={}, uuid=None):
dict.__init__(self)
if not uuid: uuid = uuidgen()
self.__dict__['uuid'] = uuid
dict.update(self, data)
