Bases: BaseReader
MangoppsGuides读取器。从MangoppsGuides工作空间中读取数据。
Parameters:
Name |
Type |
Description |
Default |
domain_url |
str
|
|
required
|
limir |
int
|
|
required
|
Source code in llama_index/readers/mangoapps_guides/base.py
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137 | class MangoppsGuidesReader(BaseReader):
"""MangoppsGuides读取器。从MangoppsGuides工作空间中读取数据。
Args:
domain_url (str): MangoppsGuides域名url
limir (int): 爬取的深度"""
def __init__(self) -> None:
"""初始化MangoppsGuides阅读器。"""
def load_data(self, domain_url: str, limit: int) -> List[Document]:
"""从工作空间加载数据。
返回:
List[Document]: 文档列表。
"""
import requests
from bs4 import BeautifulSoup
self.domain_url = domain_url
self.limit = limit
self.start_url = f"{self.domain_url}/home/"
fetched_urls = self.crawl_urls()[: self.limit]
results = []
guides_pages = {}
for url in fetched_urls:
try:
response = requests.get(url)
soup = BeautifulSoup(response.content, "html.parser")
page_title = soup.find("title").text
# Remove the div with aria-label="Table of contents"
table_of_contents_div = soup.find(
"div", {"aria-label": "Table of contents"}
)
if table_of_contents_div:
table_of_contents_div.decompose()
# Remove header and footer
header = soup.find("header")
if header:
header.decompose()
footer = soup.find("footer")
if footer:
footer.decompose()
# Exclude links and their text content from the main content
for link in soup.find_all("a"):
link.decompose()
# Remove empty elements from the main content
for element in soup.find_all():
if element.get_text(strip=True) == "":
element.decompose()
# Find the main element containing the desired content
main_element = soup.find(
"main"
) # Replace "main" with the appropriate element tag or CSS class
# Extract the text content from the main element
if main_element:
text_content = main_element.get_text("\n")
# Remove multiple consecutive newlines and keep only one newline
text_content = re.sub(r"\n+", "\n", text_content)
else:
text_content = ""
page_text = text_content
guides_page = {}
guides_page["title"] = page_title
guides_page["text"] = page_text
guides_pages[url] = guides_page
except Exception as e:
print(f"Failed for {url} => {e}")
for k, v in guides_pages.items():
extra_info = {"url": k, "title": v["title"]}
results.append(
Document(
text=v["text"],
extra_info=extra_info,
)
)
return results
def crawl_urls(self) -> List[str]:
"""从给定的域名中爬取所有的URL。"""
self.visited = []
fetched_urls = self.fetch_url(self.start_url)
return list(set(fetched_urls))
def fetch_url(self, url):
"""从给定的域名获取URL。"""
import requests
from bs4 import BeautifulSoup
response = requests.get(url)
soup = BeautifulSoup(response.content, "html.parser")
self.visited.append(url)
newurls = []
for link in soup.find_all("a"):
href: str = link.get("href")
if href and urlparse(href).netloc == self.domain_url:
newurls.append(href)
elif href and href.startswith("/"):
newurls.append(f"{self.domain_url}{href}")
for newurl in newurls:
if (
newurl not in self.visited
and not newurl.startswith("#")
and f"https://{urlparse(newurl).netloc}" == self.domain_url
and len(self.visited) <= self.limit
):
newurls = newurls + self.fetch_url(newurl)
return list(set(newurls))
|
load_data
load_data(domain_url: str, limit: int) -> List[Document]
从工作空间加载数据。
返回:
List[Document]: 文档列表。
Source code in llama_index/readers/mangoapps_guides/base.py
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101 | def load_data(self, domain_url: str, limit: int) -> List[Document]:
"""从工作空间加载数据。
返回:
List[Document]: 文档列表。
"""
import requests
from bs4 import BeautifulSoup
self.domain_url = domain_url
self.limit = limit
self.start_url = f"{self.domain_url}/home/"
fetched_urls = self.crawl_urls()[: self.limit]
results = []
guides_pages = {}
for url in fetched_urls:
try:
response = requests.get(url)
soup = BeautifulSoup(response.content, "html.parser")
page_title = soup.find("title").text
# Remove the div with aria-label="Table of contents"
table_of_contents_div = soup.find(
"div", {"aria-label": "Table of contents"}
)
if table_of_contents_div:
table_of_contents_div.decompose()
# Remove header and footer
header = soup.find("header")
if header:
header.decompose()
footer = soup.find("footer")
if footer:
footer.decompose()
# Exclude links and their text content from the main content
for link in soup.find_all("a"):
link.decompose()
# Remove empty elements from the main content
for element in soup.find_all():
if element.get_text(strip=True) == "":
element.decompose()
# Find the main element containing the desired content
main_element = soup.find(
"main"
) # Replace "main" with the appropriate element tag or CSS class
# Extract the text content from the main element
if main_element:
text_content = main_element.get_text("\n")
# Remove multiple consecutive newlines and keep only one newline
text_content = re.sub(r"\n+", "\n", text_content)
else:
text_content = ""
page_text = text_content
guides_page = {}
guides_page["title"] = page_title
guides_page["text"] = page_text
guides_pages[url] = guides_page
except Exception as e:
print(f"Failed for {url} => {e}")
for k, v in guides_pages.items():
extra_info = {"url": k, "title": v["title"]}
results.append(
Document(
text=v["text"],
extra_info=extra_info,
)
)
return results
|
crawl_urls
crawl_urls() -> List[str]
从给定的域名中爬取所有的URL。
Source code in llama_index/readers/mangoapps_guides/base.py
| def crawl_urls(self) -> List[str]:
"""从给定的域名中爬取所有的URL。"""
self.visited = []
fetched_urls = self.fetch_url(self.start_url)
return list(set(fetched_urls))
|
fetch_url
从给定的域名获取URL。
Source code in llama_index/readers/mangoapps_guides/base.py
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137 | def fetch_url(self, url):
"""从给定的域名获取URL。"""
import requests
from bs4 import BeautifulSoup
response = requests.get(url)
soup = BeautifulSoup(response.content, "html.parser")
self.visited.append(url)
newurls = []
for link in soup.find_all("a"):
href: str = link.get("href")
if href and urlparse(href).netloc == self.domain_url:
newurls.append(href)
elif href and href.startswith("/"):
newurls.append(f"{self.domain_url}{href}")
for newurl in newurls:
if (
newurl not in self.visited
and not newurl.startswith("#")
and f"https://{urlparse(newurl).netloc}" == self.domain_url
and len(self.visited) <= self.limit
):
newurls = newurls + self.fetch_url(newurl)
return list(set(newurls))
|