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xpath editor

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This commit is contained in:
Alexandr Nesterenko 2017-08-07 18:46:04 +00:00
parent cefe9e79d4
commit 5cda918fa4
3 changed files with 53 additions and 30 deletions
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2
downloader.py
View File

@ -138,7 +138,7 @@ def downloadDone(response_str, request, response, feed_config):
if (isinstance(response, TextResponse)):
if feed_config:
response_str = buildFeed(response, feed_config)
request.setHeader(b"Content-Type", b'text/xml')
request.setHeader(b"Content-Type", b'text/xml; charset=utf-8')
else:
response_str, file_name = setBaseAndRemoveScriptsAndMore(response, url)

6
feed.py
View File

@ -26,6 +26,7 @@ def save_post(conn, created, feed_id, post_fields):
post_id = conn.insert_id()
for key in ['title', 'description', 'title_link']:
if key in post_fields:
#import pdb;pdb.set_trace()
cur.execute("""insert into frontend_postfield (field_id, post_id, `text`)
values (%s, %s, %s)""", (FIELD_IDS[key], post_id, post_fields[key].encode('utf-8')))
print(cur._last_executed)
@ -96,6 +97,7 @@ def buildFeed(response, feed_config):
tree = selector.root.getroottree()
# get data from html
items = []
#import pdb;pdb.set_trace()
for node in selector.xpath(feed_config['xpath']):
item = {}
required_count = 0
@ -116,7 +118,7 @@ def buildFeed(response, feed_config):
if required_count == required_found:
items.append(item)
title = response.selector.xpath('//title/text()').extract()
title = selector.xpath('//title/text()').extract()
#build feed
feed = Rss201rev2Feed(
@ -176,6 +178,6 @@ def getFeedData(request, feed_id):
def get_conn():
creds = DATABASES['default']
db = MySQLdb.connect(host=creds['HOST'], port=int(creds['PORT']), user=creds['USER'], passwd=creds['PASSWORD'], db=creds['NAME'], init_command='SET NAMES UTF8')
db = MySQLdb.connect(host=creds['HOST'], port=int(creds['PORT']), user=creds['USER'], passwd=creds['PASSWORD'], db=creds['NAME'], init_command='SET NAMES utf8mb4')
db.autocommit(True)
return db

75
tests.py
View File

@ -1,98 +1,116 @@
from lxml import etree
import sys
import requests
from datetime import datetime
from feed import element_to_unicode
def element_to_string(element):
def tostring(el, fields):
if fields:
s = ''
for f in fields:
for e in el.xpath(f+'/text()'):
s += e
return s
else:
etree.tostring(el)
def element_to_string(element, fields=None):
if isinstance(element, basestring): # attribute
return element
s = [element.text] if element.text else []
for sub_element in element:
s.append(etree.tostring(sub_element))
return ''.join(s)
if fields:
return tostring(element, fields).encode('utf-8')
else:
for sub_element in element:
s.append(etree.tostring(sub_element))
return ''.join(s)
def test1_get_inner_html():
root = etree.fromstring('<a>1<b>2</b>3<c>4</c>5</a>')
assert element_to_unicode(root, 'utf-8') == u'1<b>2</b>3<c>4</c>5'
ids = [1,2,3,5,6,54,100,101,113,118,123,124,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,166,167]
ids = [1,2,3,5,6,8,44,54,99,100,101,103,113,118,120,123,124,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,249,250,251,252,253,255,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,341,342,343,345,346,347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386,387,388,389,390,391,392,393,394,395,396,397,398,399,400,401,402,403,404,405,406,407,408,409,410] # 254 timeout 344 pp gatevway timeout
domain = "politepol.com"
def parse_feed(text):
ch = etree.fromstring(text).xpath('/rss/channel')
ch = etree.fromstring(text.encode('utf-8')).xpath('/rss/channel')
title = ch[0].xpath('title')[0].text
link = ch[0].xpath('link')[0].text
items = ch[0].xpath('item')
return [title.encode('utf-8'), items]
return [title, link, items]
def crawl(extention):
number = 0
for id in ids:
print "ID: %s (%s of %s)" % (id, number, len(ids))
print "ID: %s (%s of %s) %s" % (id, number, len(ids), datetime.utcnow())
r = requests.get("http://%s/feed/%s" % (domain, id))
#r.encoding = 'utf-8'
text = r.text.encode('utf-8')
with open("tests/%s.%s" % (id, extention), 'w') as f:
f.write(text)
title, items = parse_feed(text)
title, link, items = parse_feed(text)
print "Title: %s" % title
print "Link: %s" % link
print "Items count: %s" % len(items)
number += 1
def diff(ext1, ext2):
def diff(ext1, ext2, fields):
diff = []
number = 0
for id in ids:
print "ID: %s" % (id,)
text1 = None
with open("tests/%s.%s" % (id, ext1), 'r') as f:
text1 = f.read()
text1 = f.read().decode('utf-8')
text2 = None
with open("tests/%s.%s" % (id, ext2), 'r') as f:
text2 = f.read()
text2 = f.read().decode('utf-8')
if text1 == text2:
print "Identical"
else:
diff.append(id)
posts_diff = 0
with open("tests/%s.diff" % (id,), 'w') as f:
title1, items1 = parse_feed(text1)
title2, items2 = parse_feed(text2)
title1, link, items1 = parse_feed(text1)
title2, link, items2 = parse_feed(text2)
if title1 != title2:
print "Different titles"
f.write("<<<<<<<<<<<<<<< Different titles >>>>>>>>>>>>>>>\n")
f.write(">>>>>>>>>>>>>>> %s.%s <<<<<<<<<<<<<\n" % (id, ext1))
f.write(title1 + "\n")
f.write(title1.encode('utf-8') + "\n")
f.write(">>>>>>>>>>>>>>> %s.%s <<<<<<<<<<<<<\n" % (id, ext2))
f.write(title2 + "\n")
f.write(title2.encode('utf-8') + "\n")
posts1 = {}
posts2 = {}
if len(items1) != len(items2):
print "Different post count: %s vs %s" % (len(items1), len(items2))
f.write("<< Different posts count: %s.%s:%s vs %s.%s:%s >>\n" % (id, ext1, len(items1), id, ext2, len(items2)))
for post in items1:
posts1[element_to_string(post)] = True
posts1[element_to_string(post, fields)] = True
for post in items2:
posts2[element_to_string(post)] = True
posts2[element_to_string(post, fields)] = True
for post in items1:
if not (element_to_string(post) in posts2):
if not (element_to_string(post, fields) in posts2):
posts_diff += 1
f.write("<<<<<<<<<<<<<<< Different posts (%s) >>>>>>>>>>>>>>>\n" % posts_diff)
f.write(">>>>>>>>>>>>>>> %s.%s <<<<<<<<<<<<<\n" % (id, ext1))
f.write(element_to_string(post) + "\n")
#import pdb;pdb.set_trace()
f.write(element_to_string(post, fields) + "\n")
f.write(">>>>>>>>>>>>>>> %s.%s <<<<<<<<<<<<<\n" % (id, ext2))
f.write("*** Not found ***\n")
for post in items2:
if not (element_to_string(post) in posts1):
if not (element_to_string(post, fields) in posts1):
posts_diff += 1
f.write("<<<<<<<<<<<<<<< Different posts (%s) >>>>>>>>>>>>>>>\n" % posts_diff)
f.write(">>>>>>>>>>>>>>> %s.%s <<<<<<<<<<<<<\n" % (id, ext1))
f.write("*** Not found ***\n")
f.write(">>>>>>>>>>>>>>> %s.%s <<<<<<<<<<<<<\n" % (id, ext2))
f.write(element_to_string(post) + "\n")
f.write(element_to_string(post, fields) + "\n")
print "Content of files %s.%s and %s.%s is different. Diff: %s.diff" % (id, ext1, id, ext2, id)
if posts_diff > 0:
print "Different feeds: %s" % posts_diff
@ -110,8 +128,11 @@ elif len(sys.argv) > 2:
else:
raise Exception("Invalid argument count for crawl")
elif sys.argv[1] == 'diff':
if len(sys.argv) == 4:
diff(sys.argv[2], sys.argv[3])
if len(sys.argv) >= 4:
fields = None
if len(sys.argv) == 5:
fields = sys.argv[4].split(',')
diff(sys.argv[2], sys.argv[3], fields)
else:
raise Exception("Invalid argument count for diff")
else: