From a49a2b7ac170a5a7bbb73cac41364924445f0b34 Mon Sep 17 00:00:00 2001
From: Oleg Broytman <phd@phdru.name>
Date: Fri, 16 Aug 2024 01:36:07 +0300
Subject: [PATCH] Feat(bkmk_rrequests): Use ftplib directly, without
 requests_ftp

---
 Robots/bkmk_rrequests.py | 47 ++++++++++++++++++++++++++++++++++++----
 bkmk_db-venv             |  2 +-
 doc/ANNOUNCE             |  4 ++++
 doc/ChangeLog            |  4 ++++
 setup.py                 |  2 +-
 5 files changed, 53 insertions(+), 6 deletions(-)

diff --git a/Robots/bkmk_rrequests.py b/Robots/bkmk_rrequests.py
index ebe90cb..a44cdd0 100644
--- a/Robots/bkmk_rrequests.py
+++ b/Robots/bkmk_rrequests.py
@@ -11,24 +11,31 @@ __license__ = "GNU GPL"
 __all__ = ['robot_requests']
 
 
+from urllib.parse import urlsplit
+import ftplib
+import socket
 import warnings
 
 from requests.adapters import HTTPAdapter
 from requests.packages.urllib3.util.ssl_ import create_urllib3_context
 import requests
-import requests_ftp
 import urllib3
 
 from Robots.bkmk_robot_base import robot_base, request_headers
 
-requests_ftp.monkeypatch_session()
-
 
 class robot_requests(robot_base):
     def version_str(self):
         return 'python-requests urllib3/%s' % urllib3.__version__
 
     def get(self, bookmark, url, accept_charset=False, use_proxy=False):
+        if url.startswith('ftp://'):
+            error, welcome, body = _get_ftp(url, self.timeout)
+            if error is not None:
+                return error, None, None, None, None
+            self.welcome = welcome
+            return None, None, None, None, body
+
         if accept_charset and bookmark.charset:
             headers = request_headers.copy()
             headers['Accept-Charset'] = bookmark.charset
@@ -67,7 +74,39 @@ class robot_requests(robot_base):
         return None, None, None, r.headers, r.content
 
     def get_ftp_welcome(self):
-        return ''  # Alas, requests_ftp doesn't store welcome message
+        welcome = self.welcome
+        self.welcome = ''
+        return welcome
+
+
+def _get_ftp(url, timeout):
+    split_results = urlsplit(url)
+    path = split_results.path or '/'
+    user = split_results.username or 'anonymous'
+    password = split_results.password or 'ftp'
+    host = split_results.hostname
+    port = split_results.port or 21
+
+    ftp = ftplib.FTP()
+    try:
+        ftp.connect(host, port, timeout)
+        ftp.login(user, password)
+        if path != '/':
+            ftp.cwd(path)
+    except (socket.error, ftplib.Error) as e:
+        return "Error: %s" % e, None, None
+
+    files = []
+    try:
+        files = ftp.nlst()
+    except ftplib.error_perm as e:
+        if str(e).startswith("550 No files found"):
+            return None, ftp.welcome, ''
+        return "Error: %s" % e, None, None
+    except ftplib.Error as e:
+        return "Error: %s" % e, None, None
+
+    return None, ftp.welcome, '\n'.join(files)
 
 
 # See https://lukasa.co.uk/2017/02/Configuring_TLS_With_Requests/
diff --git a/bkmk_db-venv b/bkmk_db-venv
index 085c919..25608fc 100644
--- a/bkmk_db-venv
+++ b/bkmk_db-venv
@@ -8,7 +8,7 @@ if [ -z "$VIRTUAL_ENV" ]; then
          } &&
          . bkmk_db-venv/bin/activate &&
          pip install --compile --upgrade beautifulsoup4 lxml m_lib.full \
-         "requests[socks]" requests-ftp \
+         "requests[socks]" \
          pycurl certifi \
          aiohttp aioftp
     }
diff --git a/doc/ANNOUNCE b/doc/ANNOUNCE
index bb9807b..3b7d9a3 100644
--- a/doc/ANNOUNCE
+++ b/doc/ANNOUNCE
@@ -7,6 +7,10 @@ bookmarks.html.
 
 WHAT'S NEW
 
+Version 5.7.0 (2024-??-??)
+
+   Robot bkmk_rrequests: Use ftplib directly, without requests_ftp.
+
 Version 5.6.1 (2024-08-15)
 
    Minor fixes.
diff --git a/doc/ChangeLog b/doc/ChangeLog
index e3c6cc6..f213e72 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+Version 5.7.0 (2024-??-??)
+
+   Robot bkmk_rrequests: Use ftplib directly, without requests_ftp.
+
 Version 5.6.1 (2024-08-15)
 
    Minor fixes.
diff --git a/setup.py b/setup.py
index 391890e..1c3160f 100755
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@ setup(
     ],
     extras_require={
         'html': ['beautifulsoup4', 'lxml'],
-        'requests': ['requests[socks]', 'requests-ftp'],
+        'requests': ['requests[socks]'],
         'curl': ['pycurl', 'certifi'],
         'aiohttp': ['aiohttp', 'aioftp'],
     },
-- 
2.39.5