本文整理汇总了Python中display.Display.print_checkout_info方法的典型用法代码示例。如果您正苦于以下问题：Python Display.print_checkout_info方法的具体用法？Python Display.print_checkout_info怎么用？Python Display.print_checkout_info使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类display.Display的用法示例。
在下文中一共展示了Display.print_checkout_info方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from display import Display [as 别名]
# 或者: from display.Display import print_checkout_info [as 别名]
class TagHandler:
# scan_interval_time out can be used to set the maximum time allowed between
# two taps to be considered a check in/out request
def __init__(self, verbose = False, scan_interval_timeout = constants.SCAN_INTERVAL_TIMEOUT):
self.scan_interval_timeout = scan_interval_timeout
self.last_tag = None
self.last_tag_type = None
self.current_tag_type = None
self.last_read_tstamp = -1
self.display = Display()
# This may need to be changed depending which tags you associate to staff versus devices
def is_human_tag(self, tag):
if len(str(tag)) > 10:
return True
return False
def query_api(self, url, postdata = None):
headers = {}
if postdata:
postdata = urllib.urlencode(postdata)
req = urllib2.Request(url, postdata, headers)
response = None
code = None
f = None
try:
f = urllib2.urlopen(req)
code = f.getcode()
resp = f.read()
response = json.loads(resp)
except urllib2.URLError as e:
if hasattr(e, 'reason'):
response = e.reason
code = -1
elif hasattr(e, 'code'):
response = e.msg
code = e.code
except ValueError:
response = 'Decoding JSON has failed'
code = 500
print resp
finally:
if f:
f.close()
return response, code
def _process_checkinout(self, tag_a, tag_b):
#A Human must be sent to the API call for checkout
if(self.last_tag_type == "human"):
data = {"tag_human" : tag_a, "tag_thing" : tag_b}
elif(self.current_tag_type == "human"):
data = {"tag_human" : tag_b, "tag_thing" : tag_a}
else:
print "Who are you?"
return
url = constants.CHECKINOUT_ENDPOINT % (data['tag_human'], data['tag_thing'])
resp, code = self.query_api(url)
if code != 200:
self._handle_api_exception(resp, code, data)
else:
self.display.print_checkout_info(resp)
## THis should clear the last tag scanned
self.last_read_tstamp = (time.time() - self.scan_interval_timeout)
def _process_read(self, tag):
url = constants.WHATIS_ENDPOINT % tag
resp, code = self.query_api(url)
if code == 200:
if not resp.get("error"):
self.current_tag_type = resp.get("type")
self.display.print_whatis_info(resp)
else:
# We're only going to allow human tags to be updated from client
user_input = self.display.tag_not_found(tag, self.is_human_tag(tag))
if user_input is not None:
self.associate_human_to_tag(user_input, tag)
return
self._handle_api_exception(resp, code, {"tag" : tag})
def dispatch(self, tag):
now = time.time()
self.display.display_on()
#Find out if this is a human, device, book or other tag
self._process_read(tag)
#If we have both a human and thing, lets check in/out
if (now - self.last_read_tstamp) < self.scan_interval_timeout and self.current_tag_type != self.last_tag_type:
self._process_checkinout(self.last_tag, tag)
else:
#Set last tag data so we have this for next read
self.last_read_tstamp = now
self.last_tag = tag
self.last_tag_type = self.current_tag_type
def associate_human_to_tag(self, username, tag):
url = constants.ADDHUMAN_ENDPOINT % (username, tag)
#.........这里部分代码省略.........