初步完成 fetch.py，同時引入 lxml 函式庫作為 XML 和 HTML 操作用

2 files changed, 80 insertions, 0 deletions

diff --git a/access/fetch.py b/access/fetch.py
new file mode 100644
index 0000000..053484b
--- /dev/null
+++ b/access/fetch.py
@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+import webapp2
+
+from google.appengine.api import users
+from google.appengine.ext import db
+
+from lxml import etree
+
+def XMLBuildCalEvent(calevent, entry):
+	newdata = etree.SubElement(calevent, 'key')
+	newdata.text = str(entry.key())
+	newdata = etree.SubElement(calevent, 'title')
+	newdata.text = entry.title
+	newdata = etree.SubElement(calevent, 'content')
+	newdata.text = entry.content
+	newdata = etree.SubElement(calevent, 'icon')
+	newdata.text = str(entry.icon)
+	newdata = etree.SubElement(calevent, 'beginyear')
+	newdata.text = str(entry.beginyear)
+	newdata = etree.SubElement(calevent, 'beginmonth')
+	newdata.text = str(entry.beginmonth)
+	newdata = etree.SubElement(calevent, 'begindate')
+	newdata.text = str(entry.begindate)
+	newdata = etree.SubElement(calevent, 'endyear')
+	newdata.text = str(entry.endyear)
+	newdata = etree.SubElement(calevent, 'endmonth')
+	newdata.text = str(entry.endmonth)
+	newdata = etree.SubElement(calevent, 'enddate')
+	newdata.text = str(entry.enddate)
+	newdata = etree.SubElement(calevent, 'datafrom')
+	newdata.text = entry.datafrom
+
+class FetchEvent(webapp2.RequestHandler):
+	def get(self):		# GET 適用於已知 key 的狀況
+		mykey = self.request.get('key')
+		eventroot = etree.Element('inccalender')
+		calevent = etree.SubElement(eventroot, 'calevent')
+		entrykey = db.Key(mykey)
+		entry = db.get(entrykey)
+		XMLBuildCalEvent(calevent, entry)
+
+		self.response.headers['Content-Type'] = 'text/xml; charset=UTF-8'
+		self.response.out.write(
+			etree.tostring(eventroot, pretty_print=True, xml_declaration=True,
+				encoding='UTF-8'))
+
+	def post(self):		# POST 適用於需要查詢的情況，要提供年月
+		guserid = users.get_current_user()
+		if not guserid:
+			return
+
+		byear = self.request.get('byear')
+		bmonth = self.request.get('bmonth')
+		data = db.GqlQuery("SELECT * FROM CalEvent "
+					"WHERE ANCESTOR IS :1 ORDER BY begindate",
+					db.Key.from_path('user', guserid.email()))
+
+		eventroot = etree.Element('inccalender')
+		for entry in data:
+			calevent = etree.SubElement(eventroot, 'calevent')
+			XMLBuildCalEvent(calevent, entry)
+	
+		self.response.headers['Content-Type'] = 'text/xml; charset=UTF-8'
+		self.response.out.write(
+			etree.tostring(eventroot, pretty_print=True, xml_declaration=True,
+				encoding='UTF-8'))
+
+
+
+
+app = webapp2.WSGIApplication([('/access/fetch', FetchEvent)])
diff --git a/app.yaml b/app.yaml
index 2952aad..05d6feb 100644
--- a/app.yaml
+++ b/app.yaml
@@ -8,6 +8,9 @@ libraries:
 - name: jinja2
   version: latest
 
+- name: lxml
+  version: latest
+
 handlers:
 - url: /css
   static_dir: css
@@ -17,6 +20,10 @@ handlers:
   static_dir: js
   secure: optional
 
+- url: /images
+  static_dir: images
+  secure: optional
+
 - url: /access/(.*)
   script: access.\1.app
   secure: always