(CkPython) Fetch ISBN XML from isbndb.com and Parse

Demonstrates sending a query to isbndb.com and parsing the XML response.

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import sys
import chilkat

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

http = chilkat.CkHttp()

# The access_key in this URL is a valid access key, but limited to 100 queries per day.
# If the key does not work, it may be that others were testing and exhausted the limit.
strXml = http.quickGetStr("http://isbndb.com/api/books.xml?access_key=OV8L2Y9I&results=details&index1=isbn&value1=0443074348")
if (http.get_LastMethodSuccess() != True):
    print(http.lastErrorText())
    sys.exit()

xml = chilkat.CkXml()
success = xml.LoadXml(strXml)

# The XML returned for this URL is the following:

# <?xml version="1.0" encoding="UTF-8" ?>

# <ISBNdb server_time="2007-10-25T14:07:25Z">
#     <BookList total_results="1" page_size="10" page_number="1" shown_results="1">
#         <BookData book_id="diagnostic_histopathology_of_tumors_2_volume_set_with_cd_rom" isbn="0443074348">
#             <Title>Diagnostic Histopathology of Tumors: 2-Volume Set with CD-ROMs</Title>
#             <TitleLong>Diagnostic Histopathology of Tumors: 2-Volume Set with CD-ROMs (Diagnostic Histopathology of Tumors (Fletcher))</TitleLong>
#             <AuthorsText>Christopher D. M. Fletcher (Editor)</AuthorsText>
#             <PublisherText publisher_id="churchill_livingstone">Churchill Livingstone</PublisherText>
#             <Details dewey_decimal="616" physical_description_text="2166 pages" language="" edition_info="Hardcover; 2007-03-13" dewey_decimal_normalized="616" lcc_number="" change_time="2006-12-13T14:53:42Z" price_time="2007-10-25T01:12:13Z" />
#         </BookData>
#     </BookList>
# </ISBNdb>

# First, navigate to the BookData node:
success = xml.FirstChild2()
success = xml.FirstChild2()

# Show the Title and AuthorsText:
print(xml.getChildContent("Title"))
print(xml.getChildContent("AuthorsText"))

# Show the publisher_id attribute of the PublisherText node:

# xml2 is a CkXml
xml2 = xml.FindChild("PublisherText")
print(xml2.getAttrValue("publisher_id"))

# Save the XML to a file:
success = xml.SaveXml("book.xml")