Release of Version 4.4.4

Closes #624.

docs/conf.py

@@ -18,6 +18,7 @@
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
 import os
+import platform
 import subprocess
 import sys
 import typing
@@ -50,8 +51,9 @@ intersphinx_mapping = {'python': ('https://docs.python.org/3', None),
                        'requests': ('https://requests.kennethreitz.org/en/master/', None)}
 
 current_release = subprocess.check_output(["git", "describe", "--abbrev=0"]).decode("ascii")[1:-1]
+date_format = "%e %b %Y" if platform.system() != "Windows" else "%d %b %Y"
 current_release_date = subprocess.check_output(
-    ["git", "log", "-1", "--tags", "--format=%ad", "--date=format:%e %b %Y"]).decode("ascii")[:-1]
+    ["git", "log", "-1", "--tags", "--format=%ad", "--date=format:"+date_format]).decode("ascii")[:-1]
 
 html_context = {'current_release': current_release, 'current_release_date': current_release_date}
 

instaloader/__init__.py

@@ -1,7 +1,7 @@
 """Download pictures (or videos) along with their captions and other metadata from Instagram."""
 
 
-__version__ = '4.4.4rc3'
+__version__ = '4.4.4'
 
 
 try:

instaloader/__main__.py

@@ -82,6 +82,8 @@ def _main(instaloader: Instaloader, targetlist: List[str],
         instaloader.context.log('Only download storyitems with property "{}".'.format(storyitem_filter_str))
     # Login, if desired
     if username is not None:
+        if not re.match(r"^[A-Za-z0-9._]+$", username):
+            instaloader.context.error("Warning: Parameter \"{}\" for --login is not a valid username.".format(username))
         try:
             instaloader.load_session_from_file(username, sessionfile)
         except FileNotFoundError as err:

test/instaloader_unittests.py

@@ -94,6 +94,10 @@ class TestInstaloaderAnonymously(unittest.TestCase):
         self.assertEqual(EMPTY_PROFILE.lower(),
                          instaloader.Profile.from_id(self.L.context, EMPTY_PROFILE_ID).username)
 
+    def test_get_username_by_name_empty(self):
+        self.assertEqual(EMPTY_PROFILE_ID,
+                         instaloader.Profile.from_username(self.L.context, EMPTY_PROFILE).userid)
+
     def test_post_from_mediaid(self):
         for post in instaloader.Profile.from_username(self.L.context, PUBLIC_PROFILE).get_posts():
             post2 = instaloader.Post.from_mediaid(self.L.context, post.mediaid)