Merge branch 'master' into upcoming/v4.9

.github/ISSUE_TEMPLATE/feature_request.md

@@ -6,13 +6,15 @@ labels: "feature suggestion"
 ---
 
 **Provide us a use case of the feature**
-How could the user invoke the new function? Which problem would it solve? If new information is obtained, how would it be further processed?
+How could the user invoke the new function? Which problem would it solve?
+If new information is obtained, how would it be further processed?
 
 **Describe the solution you'd like**
 A clear and concise description of what you want to happen.
 
 **Describe alternatives you've considered**
 A clear and concise description of any alternative solutions or features you've considered.
+How do you achieve the here-described goal without the feature you are requesting?
 
 **If the feature request is accepted, would you be willing to submit a pull request?**
 Yes / No
@@ -21,4 +23,9 @@ Yes / No
 **Additional context**
 Add any other context about the feature request here.
 
-<!-- please also see https://instaloader.github.io/contributing.html for how to suggest a feature -->
+<!-- 
+Also see https://instaloader.github.io/contributing.html for how to suggest a feature.
+
+Please understand that a feature suggestion issue that lacks the required information cannot be
+processed.
+-->

.github/workflows/lint.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9]
+        python-version: ["3.8", "3.9", "3.10"]
     steps:
       - name: Checkout Instaloader Repository
         uses: actions/checkout@v2

.github/workflows/windows_exe.yml

@@ -10,9 +10,9 @@ jobs:
       - name: Checkout Instaloader repository
         uses: actions/checkout@v2
       - name: Setup Python
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.9"
           architecture: x64
       - name: Get the tagged version
         id: get_version

deploy/windows/create_exe.py

@@ -45,7 +45,7 @@ with open('__main__.py', 'w+') as f:
 
 # install dependencies and invoke PyInstaller
 commands = ["pip install pipenv==2021.5.29",
-            "pipenv sync --dev",
+            f"pipenv --python {sys.version_info.major}.{sys.version_info.minor} sync --dev",
             "pipenv run pyinstaller --log-level=DEBUG instaloader.spec"]
 
 for command in commands:

instaloader/structures.py

@@ -377,20 +377,23 @@ class Post:
     def video_url(self) -> Optional[str]:
         """URL of the video, or None."""
         if self.is_video:
-            version_urls = [self._field('video_url')]
+            version_urls = []
+            try:
+                version_urls.append(self._field('video_url'))
+            except (InstaloaderException, KeyError, IndexError) as err:
+                self._context.error(f"Warning: Unable to fetch video from graphql of {self}: {err}")
             if self._context.iphone_support and self._context.is_logged_in:
                 try:
                     version_urls.extend(version['url'] for version in self._iphone_struct['video_versions'])
                 except (InstaloaderException, KeyError, IndexError) as err:
                     self._context.error(f"Unable to fetch high-quality video version of {self}: {err}")
-                    return version_urls[0]
+            version_urls = list(dict.fromkeys(version_urls))
-            else:
+            if len(version_urls) == 0:
+                return None
+            if len(version_urls) == 1:
                 return version_urls[0]
             url_candidates: List[Tuple[int, str]] = []
             for idx, version_url in enumerate(version_urls):
-                if any(url_candidate[1] == version_url for url_candidate in url_candidates):
-                    # Skip duplicates
-                    continue
                 try:
                     url_candidates.append((
                         int(self._context.head(version_url, allow_redirects=True).headers.get('Content-Length', 0)),
@@ -1129,20 +1132,23 @@ class StoryItem:
     def video_url(self) -> Optional[str]:
         """URL of the video, or None."""
         if self.is_video:
-            version_urls = [self._node['video_resources'][-1]['src']]
+            version_urls = []
+            try:
+                version_urls.append(self._node['video_resources'][-1]['src'])
+            except (InstaloaderException, KeyError, IndexError) as err:
+                self._context.error(f"Warning: Unable to fetch video from graphql of {self}: {err}")
             if self._context.iphone_support and self._context.is_logged_in:
                 try:
                     version_urls.extend(version['url'] for version in self._iphone_struct['video_versions'])
                 except (InstaloaderException, KeyError, IndexError) as err:
                     self._context.error(f"Unable to fetch high-quality video version of {self}: {err}")
-                    return version_urls[0]
+            version_urls = list(dict.fromkeys(version_urls))
-            else:
+            if len(version_urls) == 0:
+                return None
+            if len(version_urls) == 1:
                 return version_urls[0]
             url_candidates: List[Tuple[int, str]] = []
             for idx, version_url in enumerate(version_urls):
-                if any(url_candidate[1] == version_url for url_candidate in url_candidates):
-                    # Skip duplicates
-                    continue
                 try:
                     url_candidates.append((
                         int(self._context.head(version_url, allow_redirects=True).headers.get('Content-Length', 0)),