From 6161a8366867356f5bb37491e095f9699b6ea3df Mon Sep 17 00:00:00 2001
From: luba <luba@kaf36.mephi.ru>
Date: Tue, 9 Sep 2014 18:30:53 +0400
Subject: [PATCH 1/4] Adding of list

---
 mephi.xml          | 12 ++++++++++++
 programm_typing.py | 15 +++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 mephi.xml
 create mode 100755 programm_typing.py

diff --git a/mephi.xml b/mephi.xml
new file mode 100644
index 0000000..2db4e3a
--- /dev/null
+++ b/mephi.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<uniresity name="Mephi" metro="metro Kashirskoe" adress="Moscow,Kashirskoe shosse,31">
+ <faculty name="KiB">
+  <department name="Information tehnology" website="kaf36.ru">
+    <group name="K05-361">
+      <student>Anisimova Natalia</student>
+      <student>Artemiev Dmitriy</student>
+      <student>Bubenko Kirill</student>
+    </group>
+  </department>
+ </faculty>
+</university>
diff --git a/programm_typing.py b/programm_typing.py
new file mode 100755
index 0000000..ed8b64b
--- /dev/null
+++ b/programm_typing.py
@@ -0,0 +1,15 @@
+#! /usr/bin/env python
+import sys, libxml2
+
+def open(mephi_xml):
+  doc = libxml2.parseFile(mephi_xml)
+  doc.freeDoc()
+
+def main(argv):
+  if  len(argv) != 2:     
+    sys.stderr.write("Usage : %s xml_file" % (argv[0],))
+  else:
+    open(argv[1])
+
+if __name__ == '__main__':
+  main(sys.argv)

From ad20e32247605a66716adbfe43f0003f98eee98e Mon Sep 17 00:00:00 2001
From: luba <luba@kaf36.mephi.ru>
Date: Tue, 16 Sep 2014 15:18:47 +0400
Subject: [PATCH 2/4] Renew adding list

---
 programm_typing.py | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/programm_typing.py b/programm_typing.py
index ed8b64b..4411976 100755
--- a/programm_typing.py
+++ b/programm_typing.py
@@ -6,10 +6,15 @@ def open(mephi_xml):
   doc.freeDoc()
 
 def main(argv):
-  if  len(argv) != 2:     
-    sys.stderr.write("Usage : %s xml_file" % (argv[0],))
-  else:
-    open(argv[1])
+  open(argv[1])
+  from xml.dom.minidom import *
+
+  xml = parse('mephi.xml')
+  name = xml.getElementsByTagName('student')
+
+for node in name:
+  print node.childNodes[0].nodeValue
+
 
 if __name__ == '__main__':
   main(sys.argv)

From 43b80f778d70cd30d574d017dc78a444c0c3ba9a Mon Sep 17 00:00:00 2001
From: luba <luba@kaf36.mephi.ru>
Date: Tue, 16 Sep 2014 16:19:13 +0400
Subject: [PATCH 3/4] Adding of validate programm

---
 validate_xml.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 validate_xml.py

diff --git a/validate_xml.py b/validate_xml.py
new file mode 100644
index 0000000..885f1d0
--- /dev/null
+++ b/validate_xml.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python
+#-*- coding: UTF-8 -*-
+
+import optparse, libxml2
+
+def validate(xml_file, dtd_file):
+  doc = libxml2.parseFile(xml_file)
+  dtd = libxml2.parseDTD(None, dtd_file)
+  ctxt = libxml2.newValidCtxt()
+  ret = doc.validateDtd(ctxt, dtd)
+  dtd.freeDtd()
+  doc.freeDoc()
+  return ret
+
+def main():
+  op = optparse.OptionParser(description = U"Проверка на соответствие DTD", prog="dtd",version="0.1",usage=U"%prog")
+  op.add_option("-x", "--xml", dest="xml", help=U"XML документ", metavar="XML_FILE")
+  op.add_option("-d", "--dtd", dest="dtd", help=U"DTD document", metavar="DTD_FILE")
+  options, arguments = op.parse_args()
+  if options.xml and options.dtd:
+   validate(options.xml, options.dtd)
+  else:
+   op.print_help()
+
+if __name__ == '__main__':
+  main()

From 4b65960af8413c2e4410302998d597dbcc8d1c1b Mon Sep 17 00:00:00 2001
From: luba <luba@kaf36.mephi.ru>
Date: Mon, 6 Oct 2014 21:05:22 +0400
Subject: [PATCH 4/4] Working with Xpath

---
 mephi.xml | 18 ++++++++++++++----
 xpath.py  | 28 ++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 4 deletions(-)
 create mode 100644 xpath.py

diff --git a/mephi.xml b/mephi.xml
index 2db4e3a..779af5e 100644
--- a/mephi.xml
+++ b/mephi.xml
@@ -1,11 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<uniresity name="Mephi" metro="metro Kashirskoe" adress="Moscow,Kashirskoe shosse,31">
- <faculty name="KiB">
-  <department name="Information tehnology" website="kaf36.ru">
-    <group name="K05-361">
+<university name="Mephi" metro="metro Kashirskoe" adress="Moscow,Kashirskoe shosse,31">
+ <faculty name="K">
+  <department name="Information tehnology">
+    <group name="361" entryyear="2012">
       <student>Anisimova Natalia</student>
       <student>Artemiev Dmitriy</student>
       <student>Bubenko Kirill</student>
+      <student>Jelouhova Alena</student>
+      <student>Zamanov Aynur</student>
+      <student>Miheev Denis</student>
+      <student>Pivovarov Sasha</student>
+      <student>Samsonov Artem</student>
+      <student>Solovieva Anna</student>
+      <student>Sidorova Liubov</student>
+      <student>Tarmazakov Evgeniy</student>
+      <student>Titorenko Alexey</student>
+      <student>Shtaniko Sasha</student>
     </group>
   </department>
  </faculty>
diff --git a/xpath.py b/xpath.py
new file mode 100644
index 0000000..0dbb67c
--- /dev/null
+++ b/xpath.py
@@ -0,0 +1,28 @@
+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+import sys, libxml2
+
+def open(xml_file, query):  
+  doc = libxml2.parseFile (xml_file) 
+  ctxt = doc.xpathNewContext()
+  students = ctxt.xpathEval(query)
+  print students
+  ctxt.xpathFreeContext()
+  doc.freeDoc()
+
+def main(argv):
+  queries = ["string(/university/faculty[@name='K']/*/attribute::name)",
+             "//group[@entryyear>='2012']/*",
+             "string(//group[child::student='Sidorova Liubov']/attribute::name)",
+             "count(//group[@name='361'][@entryyear='2012']/*)",
+             "count(//department[@name='Information tehnology']/descendant::student)",
+             "string(//faculty[child::department[@name='361']]/attribute::name)",
+             "concat(string(//faculty/attribute::name),string(1+2*(2014.0-number(//group/attribute::entryyear))),'-',string(//group/attribute::name))"]
+  for s in queries:
+    print s
+    print
+    open(argv[1], s)
+    print
+
+if __name__ == '__main__':
+    main(sys.argv)