[feat] Fetch participants count from previous site

Author: ftnext

tools/participants_from_original.py

@@ -0,0 +1,54 @@
+import csv
+from pathlib import Path
+from urllib.request import urlopen
+
+from bs4 import BeautifulSoup, Tag
+
+
+def parse_place(td_place: Tag) -> tuple[str, str]:
+    """
+    >>> raw_td = '<td><a href="https://pyconjp.connpass.com/event/33014/" target="_blank">京都</a></td>'
+    >>> td_place = BeautifulSoup(raw_td, "html.parser").td
+    >>> parse_place(td_place)
+    ('京都', 'https://pyconjp.connpass.com/event/33014/')
+    """
+    return td_place.text, td_place.a["href"]
+
+
+def parse_count(td_count: Tag) -> str:
+    """
+    >>> raw_td = '<td>一般参加11人、学生1人</td>'
+    >>> td_count = BeautifulSoup(raw_td, "html.parser").td
+    >>> parse_count(td_count)
+    '一般参加11人、学生1人'
+    """
+    return td_count.text
+
+
+if __name__ == "__main__":
+    tools_dir = Path(__file__).parent
+    output_dir = tools_dir.parent / "source" / "sections"
+    csv_path = output_dir / "participants_count.csv"
+
+    with urlopen("https://peraichi.com/landing_pages/view/pycamp") as res:
+        raw_html = res.read()
+
+    soup = BeautifulSoup(raw_html, "html.parser")
+    body = soup.body
+    tables = body.find_all("table")
+    participants_table = tables[-1]
+    rows = participants_table.tbody.find_all("tr")
+
+    outputs = [["開催地", "URL", "参加人数"]]
+    for row in rows:
+        # tableの中で非表示の行は処理しない（重複してしまうため）
+        if "pera1-ghost" in row.attrs["class"]:
+            continue
+        place_tag, count_tag = row.find_all("td")
+        place, event_url = parse_place(place_tag)
+        count = parse_count(count_tag)
+        outputs.append([place, event_url, count])
+
+    with open(csv_path, "w", encoding="utf8") as f:
+        writer = csv.writer(f)
+        writer.writerows(outputs)