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@ -198,6 +198,8 @@ Exceptions
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.. autoexception:: BadCredentialsException
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.. autoexception:: PostChangedException
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.. autoexception:: TooManyRequestsException
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``InstaloaderContext`` (Low-level functions)
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@ -57,5 +57,10 @@ class ConnectionException(InstaloaderException):
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pass
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class PostChangedException(InstaloaderException):
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""".. versionadded:: 4.2.2"""
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pass
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class TooManyRequestsException(ConnectionException):
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pass
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@ -939,8 +939,22 @@ class Instaloader:
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self.context.log('<skipped>')
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continue
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with self.context.error_catcher("Download {} of {}".format(post, profile_name)):
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downloaded = self.download_post(post, target=profile_name)
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if fast_update and not downloaded:
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# The PostChangedException gets raised if the Post's id/shortcode changed while obtaining
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# additional metadata. This is most likely the case if a HTTP redirect takes place while
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# resolving the shortcode URL.
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# The `post_changed` variable keeps the fast-update functionality alive: A Post which is
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# obained after a redirect has probably already been downloaded as a previous Post of the
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# same Profile.
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# Observed in issue #225: https://github.com/instaloader/instaloader/issues/225
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post_changed = False
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while True:
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try:
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downloaded = self.download_post(post, target=profile_name)
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break
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except PostChangedException:
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post_changed = True
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continue
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if fast_update and not downloaded and not post_changed:
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break
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if stories and profiles:
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@ -128,6 +128,9 @@ class Post:
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pic_json = self._context.get_json("p/{0}/".format(self.shortcode), params={})
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self._full_metadata_dict = pic_json['entry_data']['PostPage'][0]['graphql']['shortcode_media']
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self._rhx_gis_str = pic_json['rhx_gis']
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if self.mediaid != self._full_metadata_dict['id']:
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self._node.update(self._full_metadata_dict)
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raise PostChangedException
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@property
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def _full_metadata(self) -> Dict[str, Any]:
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