70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
# coding=utf-8
|
|
|
|
from urllib.parse import quote
|
|
|
|
from tools import web
|
|
|
|
class WFASearch:
|
|
def __init__(self, terms):
|
|
self.terms = terms
|
|
try:
|
|
self.wfares = web.getXML("http://api.wolframalpha.com/v2/query?"
|
|
"input=%s&appid=%s"
|
|
% (quote(terms),
|
|
CONF.getNode("wfaapi")["key"]))
|
|
except (TypeError, KeyError):
|
|
print ("You need a Wolfram|Alpha API key in order to use this "
|
|
"module. Add it to the module configuration file:\n<wfaapi"
|
|
" key=\"XXXXXX-XXXXXXXXXX\" />\nRegister at "
|
|
"http://products.wolframalpha.com/api/")
|
|
self.wfares = None
|
|
|
|
@property
|
|
def success(self):
|
|
try:
|
|
return self.wfares["success"] == "true"
|
|
except:
|
|
return False
|
|
|
|
@property
|
|
def error(self):
|
|
if self.wfares is None:
|
|
return "An error occurs during computation."
|
|
elif self.wfares["error"] == "true":
|
|
return "An error occurs during computation: " + self.wfares.getNode("error").getNode("msg").getContent()
|
|
elif self.wfares.hasNode("didyoumeans"):
|
|
start = "Did you mean: "
|
|
tag = "didyoumean"
|
|
end = "?"
|
|
elif self.wfares.hasNode("tips"):
|
|
start = "Tips: "
|
|
tag = "tip"
|
|
end = ""
|
|
elif self.wfares.hasNode("relatedexamples"):
|
|
start = "Related examples: "
|
|
tag = "relatedexample"
|
|
end = ""
|
|
elif self.wfares.hasNode("futuretopic"):
|
|
return self.wfares.getNode("futuretopic")["msg"]
|
|
else:
|
|
return "An error occurs during computation"
|
|
proposal = list()
|
|
for dym in self.wfares.getNode(tag + "s").getNodes(tag):
|
|
if tag == "tip":
|
|
proposal.append(dym["text"])
|
|
elif tag == "relatedexample":
|
|
proposal.append(dym["desc"])
|
|
else:
|
|
proposal.append(dym.getContent())
|
|
return start + ', '.join(proposal) + end
|
|
|
|
@property
|
|
def nextRes(self):
|
|
try:
|
|
for node in self.wfares.getNodes("pod"):
|
|
for subnode in node.getNodes("subpod"):
|
|
if subnode.getFirstNode("plaintext").getContent() != "":
|
|
yield node["title"] + " " + subnode["title"] + ": " + subnode.getFirstNode("plaintext").getContent()
|
|
except IndexError:
|
|
pass
|