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Featured on Meta. But here's an answer in more detail. There are three main steps involved before you can get an actual image file. Pay close attention to the different URL paths below. How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to receive images with the Telegram API? Ask Question. Asked 6 years, 4 months ago.
Active 1 year, 9 months ago. Viewed 24k times. The server also generates a trimmed and scaled down video preview for videos, GIFs and animated profile pictures.
Each photo preview has a specific type , indicating the resolution and image transform that was applied server-side. A photoStrippedSize with type i is an extremely low-res thumbnail, embedded directly inside media location objects. It should be shown to the user in chat message previews, or while still downloading the most appropriately sized photoSize through the media DCs as described above. The stripped bytes payload should be inflated to a JPG payload as seen here ». Animated sticker outlines will have a j type photoPathSize thumbnail.
This specific vector thumbnail consists in an SVG path , specially encoded to save space. This path will be the outline of the animated sticker, and should be shown to the user while downloading the actual sticker. A videoSize constructor is typically used for animated profile pictures and video previews. Remote HTTP files sent by inline bots in response to inline queries and in other places are represented by WebDocument constructors.
Remote HTTP files can only be downloaded directly by the client if contained in a webDocumentNoProxy constructor: in this case, the file is deemed safe to download this is the case for HTTPS files from certain trusted domains. However, if the remote file is contained in a webDocument , to avoid leaking sensitive information the file must be downloaded through telegram's servers. This can be done in a manner similar to normal files , with the difference that upload. The InputWebFileLocation constructor is generated as follows.
It is recommended that large queries upload. If this is done, then data transfer will cause less interference with getting updates and other method calls. Uploading files There are a number of API methods to save files. InputFile video:flags. ReplyMarkup entities:flags. SentEncryptedMessage ; photos. Photo ; upload. To download the file programmatically, you may follow the exact same steps as above, or you may use a library such as telepot Python , which provides a method to download files conveniently, without going through all the above steps.
How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 5 years, 11 months ago.
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