You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
186 lines
6.7 KiB
186 lines
6.7 KiB
import os
|
|
|
|
import yaml
|
|
import json
|
|
|
|
import urllib.request, urllib.error, urllib.parse
|
|
|
|
from lxml import etree
|
|
import lxml.html
|
|
import lxml.html.soupparser
|
|
|
|
|
|
class fdb_spider(object):
|
|
def __init__(self, config_file):
|
|
with open(config_file, "r") as stream:
|
|
try:
|
|
self.config = yaml.safe_load(stream)
|
|
except yaml.YAMLError as exc:
|
|
print(exc)
|
|
|
|
# input list of funding databases in form of yaml file ['foerderinfo.bund.de', 'ausschreibungen.giz.de', .. , 'usw']
|
|
|
|
def download_link_list_pages_of_funding_databases(self, list_of_fdbs):
|
|
# download only html pages of the funding databases specified in input
|
|
|
|
for fdb in list_of_fdbs:
|
|
for key in self.config:
|
|
if key in list_of_fdbs:
|
|
try:
|
|
entry_list = self.config.get(key).get("entry-list")
|
|
except Exception as e:
|
|
print(
|
|
"There is a problem with the configuration variable entryList in the config.yaml - the original error message is:",
|
|
e,
|
|
)
|
|
try:
|
|
entry_list_link = entry_list.get("link")
|
|
except Exception as e:
|
|
print(
|
|
"No entryListLink defined in config.yaml - the original error message is:",
|
|
e,
|
|
)
|
|
|
|
# download the html page of the List of entrys
|
|
|
|
response = urllib.request.urlopen(entry_list_link)
|
|
web_content = response.read().decode("UTF-8")
|
|
|
|
# save interim results to files
|
|
|
|
f = open("spiders/pages/" + key + "entryList.html", "w+")
|
|
f.write(webContent)
|
|
f.close
|
|
|
|
def parse_entry_list_data2dictionary(self, list_of_fdbs):
|
|
for fdb in list_of_fdbs:
|
|
try:
|
|
# use soupparser to handle broken html
|
|
|
|
tree = lxml.html.soupparser.parse(
|
|
"spiders/pages/" + fdb + "entryList.html"
|
|
)
|
|
|
|
# for e in tree.iter():
|
|
#
|
|
# print(e.tag)
|
|
#
|
|
# for e in tree.xpath('//html//body//form//table//tr//td//table//tr'):
|
|
#
|
|
# #print(etree.tostring(e).decode())
|
|
|
|
dictionary_entry_list = {}
|
|
|
|
fdb_conf = self.config.get(fdb)
|
|
fdb_domain = fdb_conf.get("domain")
|
|
fdb_conf_entry_list = fdb_conf.get("entryList")
|
|
fdb_conf_entry_list_parent = fdb_conf_entry_list.get("parent")
|
|
fdb_conf_entry_list_child_name = fdb_conf_entry_list.get("child-name")
|
|
fdb_conf_entry_list_child_link = fdb_conf_entry_list.get("child-link")
|
|
|
|
for n in range(len(tree.xpath(fdb_conf_entry_list_parent))):
|
|
name = tree.xpath(
|
|
fdb_conf_entry_list_parent
|
|
+ "["
|
|
+ str(n)
|
|
+ "]"
|
|
+ fdb_conf_entry_list_child_name
|
|
)
|
|
link = tree.xpath(
|
|
fdb_conf_entry_list_parent
|
|
+ "["
|
|
+ str(n)
|
|
+ "]"
|
|
+ fdb_conf_entry_list_child_link
|
|
)
|
|
|
|
if len(name) > 0:
|
|
dictionary_entry_list[n] = {}
|
|
dictionary_entry_list[n]["name"] = name[0]
|
|
|
|
if fdb_domain in link[0]:
|
|
dictionary_entry_list[n]["link"] = link[0]
|
|
|
|
if fdb_domain not in link[0]:
|
|
dictionary_entry_list[n]["link"] = fdb_domain + link[0]
|
|
|
|
except Exception as e:
|
|
print(
|
|
"parsing the html did not work. Possibly you first have to run download_link_list_pages_of_funding_databases(). The original error message is:",
|
|
e,
|
|
)
|
|
|
|
# save interim results to files
|
|
|
|
f = open("spiders/output/" + fdb + "entryList.txt", "w+")
|
|
f.write(str(dictionary_entry_list))
|
|
f.close
|
|
|
|
def download_entry_data_htmls(self, list_of_fdbs):
|
|
for fdb in list_of_fdbs:
|
|
f = open("spiders/output/" + fdb + "entryList.txt")
|
|
text = f.read()
|
|
|
|
dictionary_entry_list = eval(text)
|
|
|
|
for entry_id in dictionary_entry_list:
|
|
entry_link = dictionary_entry_list[entry_id]["link"]
|
|
|
|
# download the html page of the entry
|
|
|
|
response = urllib.request.urlopen(entry_link)
|
|
web_content = response.read().decode("UTF-8")
|
|
|
|
# save interim results to files
|
|
|
|
file_name = "spiders/pages/" + fdb + "/" + str(entry_id) + ".html"
|
|
|
|
os.makedirs(os.path.dirname(file_name), exist_ok=True)
|
|
f = open(file_name, "w+")
|
|
f.write(web_content)
|
|
f.close
|
|
|
|
def parse_entry_data2dictionary(self, list_of_fdbs):
|
|
for fdb in list_of_fdbs:
|
|
print("started to parse data of entry of " + fdb + " ..")
|
|
|
|
f = open("spiders/output/" + fdb + "entryList.txt")
|
|
text = f.read()
|
|
|
|
dictionary_entry_list = eval(text)
|
|
|
|
fdb_conf = self.config.get(fdb)
|
|
fdb_domain = fdb_conf.get("domain")
|
|
fdb_conf_entry = fdb_conf.get("entry")
|
|
fdb_conf_entry_info1 = fdb_conf_entry.get("info-1")
|
|
fdb_conf_entry_info1_parent = fdb_conf_entry_info1.get("parent")
|
|
fdb_conf_entry_info1_child_1 = fdb_conf_entry_info1.get(
|
|
"child-1"
|
|
)
|
|
|
|
for entry_id in dictionary_entry_list:
|
|
print(
|
|
"started to parse data of entry with name "
|
|
+ dictionary_entry_list[entry_id]["name"]
|
|
+ " .."
|
|
)
|
|
|
|
file_name = "spiders/pages/" + fdb + "/" + str(entry_id) + ".html"
|
|
|
|
tree = lxml.html.soupparser.parse(file_name)
|
|
|
|
child_1 = tree.xpath(
|
|
fdb_conf_entry_info1_parent
|
|
+ fdb_conf_entry_info1_child_1
|
|
)
|
|
|
|
print("oi", child_1)
|
|
|
|
if len(child_1) > 0:
|
|
dictionary_entry_list[entry_id]["child_1"] = child_1[
|
|
0
|
|
]
|
|
|
|
f = open("spiders/output/" + fdb + "entryList.txt", "w+")
|
|
f.write(str(dictionary_entry_list))
|
|
f.close
|