make optional deps actually install-time optional

README.md

@@ -40,7 +40,7 @@ Python3 is suggested, but Pwntools still works with Python 2.7.  Most of the fun
 apt-get update
 apt-get install python3 python3-pip python3-dev git libssl-dev libffi-dev build-essential
 python3 -m pip install --upgrade pip
-python3 -m pip install --upgrade pwntools
+python3 -m pip install --upgrade pwntools[full]
 ```
 
 

pyproject.toml

@@ -34,30 +34,34 @@ keywords = ["pwntools", "exploit", "ctf", "capture", "the", "flag", "binary", "w
 
 requires-python = ">=2.7"
 dependencies = [
-    "paramiko>=1.15.2",
     "mako>=1.0.0",
     "pyelftools>=0.2.4",
-    "capstone>=3.0.5rc2",  # see Gallopsled/pwntools#971, Gallopsled/pwntools#1160
     "ropgadget>=5.3",
-    "pyserial>=2.7",
-    "requests>=2.0",
     "pip>=6.0.8",
     "pygments>=2.0",
-    "pysocks",
     "python-dateutil",
     "packaging",
     "psutil>=3.3.0",
     "intervaltree>=3.0",
     "sortedcontainers",
-    "unicorn>=1.0.2rc1",  # see unicorn-engine/unicorn#1100 and #1170
     "six>=1.12.0",
-    "rpyc",
-    "colored_traceback",
     "pathlib2; python_version < '3.4'",
     "unix-ar; python_version >= '3'",
     "zstandard",
 ]
 
+[project.optional-dependencies]
+full = [
+    "capstone>=3.0.5rc2",  # see Gallopsled/pwntools#971, Gallopsled/pwntools#1160
+    "colored_traceback",
+    "paramiko>=1.15.2",
+    "pyserial>=2.7",
+    "pysocks",
+    "requests>=2.0",
+    "rpyc",
+    "unicorn>=1.0.2rc1",  # see unicorn-engine/unicorn#1100 and #1170
+]
+
 [project.urls]
 homepage = "https://pwntools.com"
 download = "https://github.com/Gallopsled/pwntools/releases"