Update install instruction

README.md

@@ -93,7 +93,7 @@ If binaries are built, they will be gpg signed and announced on the Releases pag
 If you haven't chosen the Qt option during installation with `install.sh`, then to run the script `joinmarket-qt.py` from the command line you will need to install two more packages.  Use these 2 commands while the `jmvenv` virtual environment is activated:
 
 ```
-pip install -r requirements/gui.txt
+pip install .[gui]
 ```
 After this, the command `python joinmarket-qt.py` from within the `scripts` subdirectory should work.
 There is a [walkthrough](docs/JOINMARKET-QT-GUIDE.md) for what to do next.

docs/INSTALL.md

@@ -73,7 +73,7 @@ Then build and install a local copy of libsecp256k1 for python-bitcointx:
 
 > *NOTE*: It is very important to have activated the virtual environment before running this step. Otherwise, `pip install` will fail, you may be tempted to re-run it with `sudo pip install` which will cause problems in the future.
 
-    pip install -r requirements/base.txt
+    pip install .[services]
 
 If you have installed this "full" version of the client, you can use it with the command line scripts as explained in the [usage guide](USAGE.md).
 
@@ -120,7 +120,7 @@ If you have installed this "full" version of the client, you can use it with the
 
 7) Setup joinmarket-qt
     ```
-    pip install -r requirements/gui.txt
+    pip install .[gui]
     ```
 8) Start joinmarket-qt
     ```
@@ -163,10 +163,9 @@ Unzip the `joinmarket-clientserver-x.x.x` (where `x.x.x` is the release number)
 
 Using the command prompt in Administrator mode, go to that directory and run the commands:
 
-`pip install -r requirements\base.txt`
-`pip install -r requirements\gui.txt`
+`pip install joinmarket[services]`
 
-(the latter is needed for Joinmarket-Qt).
+(replace `services` with `gui` for Joinmarket-Qt).
 
 The final step is to manually add the libsodium dependency, as mentioned. Do the following:
 

docs/TESTING.md

@@ -7,7 +7,7 @@ Work in your `jmvenv` virtual environment as for all Joinmarket work. Make sure
 
 Install the test requirements:
 
-    (jmvenv)$ pip install -r requirements/testing.txt
+    (jmvenv)$ pip install .[test]
 
 #### Running the test suite.