Migrate everything to upstream pip packages

This patch migrates all the Python packages I could find to the
packages provided by rules_python. It's possible that there are some
that I missed. In that case, the finder will have to migrate it on
their own.

A future patch will remove the remaining references to the
Debian-packaged Python packages in future patches. This patch here is
solely focused on migrating the existing users.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: Ic7a8ba6110516aa2446ad2ad4e2495fab62d824c
diff --git a/y2019/control_loops/python/BUILD b/y2019/control_loops/python/BUILD
index 3d5e641..bab607c 100644
--- a/y2019/control_loops/python/BUILD
+++ b/y2019/control_loops/python/BUILD
@@ -9,9 +9,9 @@
     target_compatible_with = ["@platforms//cpu:x86_64"],
     deps = [
         ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
         "//frc971/control_loops/python:drivetrain",
+        "@pip//glog",
+        "@pip//python_gflags",
     ],
 )
 
@@ -25,9 +25,9 @@
     target_compatible_with = ["@platforms//cpu:x86_64"],
     deps = [
         ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
         "//frc971/control_loops/python:polydrivetrain",
+        "@pip//glog",
+        "@pip//python_gflags",
     ],
 )
 
@@ -41,11 +41,11 @@
     visibility = ["//visibility:public"],
     deps = [
         ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
         "//frc971/control_loops/python:controls",
         "//frc971/control_loops/python:drivetrain",
         "//frc971/control_loops/python:polydrivetrain",
+        "@pip//glog",
+        "@pip//python_gflags",
     ],
 )
 
@@ -66,10 +66,10 @@
     target_compatible_with = ["@platforms//cpu:x86_64"],
     deps = [
         ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
         "//frc971/control_loops/python:controls",
         "//frc971/control_loops/python:linear_system",
+        "@pip//glog",
+        "@pip//python_gflags",
     ],
 )
 
@@ -82,10 +82,10 @@
     target_compatible_with = ["@platforms//cpu:x86_64"],
     deps = [
         ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
         "//frc971/control_loops/python:angular_system",
         "//frc971/control_loops/python:controls",
+        "@pip//glog",
+        "@pip//python_gflags",
     ],
 )
 
@@ -98,10 +98,10 @@
     target_compatible_with = ["@platforms//cpu:x86_64"],
     deps = [
         ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
         "//frc971/control_loops/python:angular_system",
         "//frc971/control_loops/python:controls",
+        "@pip//glog",
+        "@pip//python_gflags",
     ],
 )
 
@@ -114,9 +114,9 @@
     target_compatible_with = ["@platforms//cpu:x86_64"],
     deps = [
         ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
         "//frc971/control_loops/python:controls",
         "//frc971/control_loops/python:linear_system",
+        "@pip//glog",
+        "@pip//python_gflags",
     ],
 )