INSTALL.md: add libleveldb-dev to required packages
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shyba
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With the provided instructions in `INSTALL.md`,
the `make` command may result in errors:
```
plyvel/_plyvel.cpp:589:10: fatal error: leveldb/db.h: No such file or directory
589 | #include "leveldb/db.h"
| ^~~~~~~~~~~~~~
compilation terminated.
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
...
Failed to build plyvel prometheus-client pylru pyyaml.
```
The required header files are contained in the `libleveldb-dev`
package in Ubuntu 18.04 and 20.04 at least.
After installing this package the compilation proceeds successfully.
In some cases `make` may have to be run twice to compile everything
without problems.
Leave with `deactivate`. Enter the environment again with ``` source lbry-venv/bin/activate ``` When developing, we can start the server interactively. ``` python lbry/extras/cli.py start ```
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Because of issue lbryio#2769 at the moment the `lbrynet` daemon will only work correctly with Python 3.7. The `deadsnakes` personal package archive (PPA) provides Python 3.7 for Ubuntu distributions that no longer have it in their official repositories like 18.04 and 20.04. If Python 3.8 is used, the daemon will start but the RPC server may not accept messages, returning the following: ``` Could not connect to daemon. Are you sure it's running? ``` Python 3.9 does not work either, as it fails in the compilation of `plyvel`.
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With the provided instructions in
INSTALL.md, themakecommand may result in errors:The required header files are contained in the
libleveldb-devpackage in Ubuntu 18.04 and 20.04 at least.After installing this package the compilation proceeds successfully.
In some cases
makemay have to be run twice.This addresses issue #3281.
Also add more information on entering and exiting the virtual environment.
To test the daemon interactively, we can run the
cli.pyprogram.Because of issue #2769 at the moment the
lbrynetdaemon will only work correctly with Python 3.7.If Python 3.8+ is used, the daemon will start but the RPC server may not accept messages,