Coverage for src/crawler/by_source/dmlcz_crawler.py: 77%
104 statements
« prev ^ index » next coverage.py v7.9.0, created at 2025-08-29 13:43 +0000
1import re
3from bs4 import BeautifulSoup, Tag
4from ptf.model_data import create_abstract, create_articledata, create_subj
6from crawler.base_crawler import BaseCollectionCrawler
9class DmlczCrawler(BaseCollectionCrawler):
10 source_name = "Czech Digital Mathematics Library"
11 source_domain = "DMLCZ"
12 source_website = "https://dml.cz"
14 issue_href = r"/handle/\d+.dmlcz/\d+"
16 def parse_collection_content(self, content):
17 """
18 Parse the HTML page of Annals of Math and returns a list of xissue.
19 Each xissue has its pid/volume/number/year metadata + its url
20 """
21 soup = BeautifulSoup(content, "html.parser")
22 xissues = []
24 issue_nodes = [volume for volume in soup.find_all("td", {"class": "volume"})]
26 for issue_node in issue_nodes:
27 reg_year = re.compile(r"\d{4}")
28 reg_volume = re.compile(r"Volume \d+")
29 issue_text = issue_node.get_text()
30 if re.compile(r"\d+").search(issue_text): 30 ↛ 26line 30 didn't jump to line 26 because the condition on line 30 was always true
31 elem = issue_node.find("a")
32 dates = reg_year.search(issue_text)
33 volume = reg_volume.search(elem.get_text())
34 issues = issue_node.findNext("td")
35 issues = issues.findAll("a")
36 if volume: 36 ↛ 38line 36 didn't jump to line 38 because the condition on line 36 was always true
37 volume = volume[0].replace("Volume ", "")
38 if dates: 38 ↛ 42line 38 didn't jump to line 42 because the condition on line 38 was always true
39 search = reg_year.search(issue_text)
40 if search is not None: 40 ↛ 42line 40 didn't jump to line 42 because the condition on line 40 was always true
41 dates = search[0]
42 for issue in issues:
43 link = issue.get("href")
44 number = issue.get_text()
45 xissue = self.create_dmlcz_xissue(link, volume, number, dates)
46 if xissue: 46 ↛ 42line 46 didn't jump to line 42 because the condition on line 46 was always true
47 xissues.append(xissue)
49 return xissues
51 def get_year(self, year):
52 if "/" in year:
53 year = year.split("/")[0]
55 return year
57 def create_dmlcz_xissue(self, url, volume_str: str, number, dates):
58 year = dates.replace("/", "-")
59 number = number.replace(",", "-")
61 volume = volume_str
62 if not volume.isnumeric(): 62 ↛ 63line 62 didn't jump to line 63 because the condition on line 62 was never true
63 volume = None
64 self.logger.debug("Couldn't parse volume string", extra={"url": url})
66 xissue = super().create_xissue(self.source_website + url, year, volume, number)
68 return xissue
70 def parse_issue_content(self, content, xissue):
71 soup = BeautifulSoup(content, "html.parser")
72 article_nodes = soup.find_all("td", {"class": "article"})
74 # DML-CZ may list the same article multiple times (ex: https://dml.cz/handle/10338.dmlcz/149887)
75 # We need to ignore the articles already crawled
76 article_urls = []
78 for index_article, article_node in enumerate(article_nodes):
79 article_link_node = article_node.find("a")
80 if article_link_node: 80 ↛ 78line 80 didn't jump to line 78 because the condition on line 80 was always true
81 url = article_link_node.get("href")
82 if url not in article_urls: 82 ↛ 78line 82 didn't jump to line 78 because the condition on line 82 was always true
83 article_urls.append(url)
85 xarticle = create_articledata()
86 xarticle.pid = "a" + str(index_article)
87 xarticle.url = self.source_website + url
89 xissue.articles.append(xarticle)
91 def parse_article_content(self, content, xissue, xarticle, url):
92 """
93 Parse the content with Beautifulsoup and returns an ArticleData
94 """
95 soup = BeautifulSoup(content, "html.parser")
96 self.get_metadata_using_citation_meta(
97 xarticle,
98 xissue,
99 soup,
100 [
101 "lang",
102 "title",
103 "author",
104 "pdf",
105 "abstract",
106 "page",
107 "mr",
108 "zbl",
109 "publisher",
110 "keywords",
111 ],
112 )
114 bloc_ref_ids = soup.find("div", {"class": "item-refids"})
115 # TITLE
116 title_node = soup.find("span", {"class": "item-title"})
117 if title_node: 117 ↛ 121line 117 didn't jump to line 121 because the condition on line 117 was always true
118 xarticle.title_tex = title_node.get_text()
120 # ABSTRACT
121 abstract_section_node = soup.find("dim:field")
122 if abstract_section_node:
123 abstract = str(abstract_section_node.get_text())
125 xarticle.abstracts.append(
126 create_abstract(
127 value_tex=abstract,
128 lang=xarticle.lang,
129 )
130 )
132 # PDF
133 # link_nodes = soup.find_all("a")
134 # for link_node in link_nodes:
135 # pdf_url = link_node.get("href")
136 # if pdf_url.startswith("/bitstream/"):
137 # add_pdf_link_to_xarticle(xarticle, pdf_url)
138 reg_msc = re.compile("/browse-subject")
139 subjs_nodes = [a.get_text() for a in soup.find_all("a") if reg_msc.search(a.get("href"))]
141 # MSC
142 for subj in subjs_nodes:
143 subject = create_subj(value=subj, type="msc", lang=xarticle.lang)
144 xarticle.kwds.append(subject)
146 # PAGES
147 pages = soup.find("span", {"class": "item-pp"})
148 if pages: 148 ↛ 166line 148 didn't jump to line 166 because the condition on line 148 was always true
149 pages_to = re.compile(r"(\(?\d+\)?)?-?(\(?\d+\)?)").search(pages.get_text())
150 if pages_to: 150 ↛ 166line 150 didn't jump to line 166 because the condition on line 150 was always true
151 parts = pages_to[0].split("-")
152 first_page = parts[0].replace("(", "").replace(")", "")
153 if len(parts) > 1: 153 ↛ 157line 153 didn't jump to line 157 because the condition on line 153 was always true
154 last_page = parts[1].replace("(", "").replace(")", "")
155 xarticle.lpage = last_page
157 xarticle.fpage = first_page
159 # Biblio
160 # bibitems_tags = soup.select("div.references-inside div.reference")
161 # bibitems = [self.parse_bibitem_tag(item) for item in bibitems_tags]
162 # if len(bibitems) > 0:
163 # xarticle.abstracts.append(self.create_bibliography(bibitems))
165 # DOI
166 reg_doi = re.compile("dx.doi.org")
168 if bloc_ref_ids and isinstance(bloc_ref_ids, Tag): 168 ↛ 187line 168 didn't jump to line 187 because the condition on line 168 was always true
169 doi_node = [a for a in bloc_ref_ids.find_all("a") if reg_doi.search(a.get("href"))]
170 if len(doi_node) > 0: 170 ↛ 171line 170 didn't jump to line 171 because the condition on line 170 was never true
171 doi = doi_node[0].get_text()
172 pos = doi.find("10.")
173 if pos > 0:
174 doi = doi[pos:]
175 xarticle.doi = doi
177 # fix wrong doi attribution for article a14 of volume 62 number 1
178 # 10.1007/s10587-012-0005-x:
179 if xarticle.pid in ["CMJ_2012_62_1_a14", "ZCSUT_2012_22_3_a3"]:
180 xarticle.doi = None
181 else:
182 xarticle.pid = (
183 doi.replace("/", "_").replace(".", "_").replace("-", "_").replace(":", "_")
184 )
186 # Hack to handle articles with no titles
187 if not xarticle.title_tex: 187 ↛ 188line 187 didn't jump to line 188 because the condition on line 187 was never true
188 xarticle.title_tex = " "
190 return xarticle