From 7b77ecc35acfca02073c907051c92e60beae6b19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Mon, 15 Jul 2019 16:39:03 +0200
Subject: [PATCH] fix paths for files without extension (#220)

---
 gallery_dl/job.py  |  2 +-
 gallery_dl/util.py | 20 ++++++++++++--------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/gallery_dl/job.py b/gallery_dl/job.py
index 7d790f54..20823a69 100644
--- a/gallery_dl/job.py
+++ b/gallery_dl/job.py
@@ -310,7 +310,7 @@ class DownloadJob(Job):
 
         self.sleep = self.extractor.config("sleep")
         if not self.extractor.config("download", True):
-            self.download = lambda x: True
+            self.download = self.pathfmt.fix_extension
 
         skip = self.extractor.config("skip", True)
         if skip:
diff --git a/gallery_dl/util.py b/gallery_dl/util.py
index a448a8a5..14ae3d21 100644
--- a/gallery_dl/util.py
+++ b/gallery_dl/util.py
@@ -532,7 +532,7 @@ class PathFormat():
 
         self.basedirectory = expand_path(
             extractor.config("base-directory", (".", "gallery-dl")))
-        if os.altsep:
+        if os.altsep and os.altsep in self.basedirectory:
             self.basedirectory = self.basedirectory.replace(os.altsep, os.sep)
 
     def open(self, mode="wb"):
@@ -541,13 +541,9 @@ class PathFormat():
 
     def exists(self, archive=None):
         """Return True if the file exists on disk or in 'archive'"""
-        if (archive and archive.check(self.keywords) or
-                self.has_extension and os.path.exists(self.realpath)):
-            if not self.has_extension:
-                # adjust display name
-                self.set_extension("")
-                if self.path[-1] == ".":
-                    self.path = self.path[:-1]
+        if archive and archive.check(self.keywords):
+            return self.fix_extension()
+        if self.has_extension and os.path.exists(self.realpath):
             return True
         return False
 
@@ -590,6 +586,14 @@ class PathFormat():
         self.keywords["extension"] = extension
         self.build_path()
 
+    def fix_extension(self, _=None):
+        if not self.has_extension:
+            self.set_extension("")
+            if self.path[-1] == ".":
+                self.path = self.path[:-1]
+                self.temppath = self.realpath = self.realpath[:-1]
+        return True
+
     def build_path(self):
         """Use filename-keywords and directory to build a full path"""
         try: