Fixed dlib dependency issue

README.md

@@ -1,4 +1,4 @@
-# Howdy for Ubuntu [![](https://travis-ci.org/Boltgolt/howdy.svg?branch=dev)](https://travis-ci.org/Boltgolt/howdy)
+# Howdy for Ubuntu  [![](https://travis-ci.org/Boltgolt/howdy.svg?branch=dev)](https://travis-ci.org/Boltgolt/howdy) ![](https://img.shields.io/github/release/Boltgolt/howdy.svg) [![](https://img.shields.io/github/issues-raw/Boltgolt/howdy/enhancement.svg?label=feature requests)](https://github.com/Boltgolt/howdy/issues?q=is%3Aissue+is%3Aopen+label%3Aenhancement)
 
 Windows Hello™ style authentication for Ubuntu. Use your built-in IR emitters and camera in combination with face recognition to prove who you are.
 

debian/changelog

@@ -1,3 +1,10 @@
+howdy (2.0.0-alpha+3) xenial; urgency=medium
+
+  * Fixed issue where dlib dependency failed to install on some installations
+  * Added preinst script for camera detection
+
+ -- boltgolt <boltgolt@gmail.com>  Thu, 12 Apr 2018 21:42:42 +0000
+
 howdy (2.0.0-alpha+2) xenial; urgency=medium
 
   * Fixed build dependency issue

debian/postinst

@@ -25,25 +25,27 @@ def handleStatus(status):
 		print("\033[31mError while running last command\033[0m")
 		sys.exit(1)
 
-log("Upgrading pip to the latest version")
 
 # We're not in fresh configuration mode, so exit
 if not os.path.exists("/tmp/howdy_picked_device"):
 	sys.exit(0)
 
 in_file = open("/tmp/howdy_picked_device", "r")
-picked = int(in_file.read())
+# Should be a string
+picked = in_file.read()
 in_file.close()
 
 subprocess.call(["rm /tmp/howdy_picked_device"], shell=True)
 
+log("Upgrading pip to the latest version")
+
 # Update pip
 handleStatus(subprocess.call(["pip3 install --upgrade pip"], shell=True))
 
 log("Cloning dlib")
 
 # Clone the git to /tmp
-handleStatus(subprocess.call(["git", "clone", "https://github.com/davisking/dlib.git", "/tmp/dlib_clone"]))
+handleStatus(subprocess.call(["git", "clone", "--depth", "1", "https://github.com/davisking/dlib.git", "/tmp/dlib_clone"]))
 
 log("Building dlib")
 
@@ -56,10 +58,15 @@ log("Cleaning up dlib")
 handleStatus(subprocess.call(["rm", "-rf", "/tmp/dlib_clone"]))
 print("Temporary dlib files removed")
 
+log("Installing python dependencies")
+
+# Install face_recognition though pip
+handleStatus(subprocess.call(["pip3", "install", "--cache-dir", "/tmp/pip_howdy", "face_recognition_models==0.3.0", "Click>=6.0", "numpy", "Pillow"]))
+
 log("Installing face_recognition")
 
 # Install face_recognition though pip
-handleStatus(subprocess.call(["pip3", "install", "face_recognition"]))
+handleStatus(subprocess.call(["pip3", "install", "--cache-dir", "/tmp/pip_howdy", "--no-deps", "face_recognition==1.2.2"]))
 
 log("Configuring howdy")
 

debian/preinst

@@ -86,4 +86,5 @@ if picked == -1:
 with open("/tmp/howdy_picked_device", "w") as out_file:
 	out_file.write(str(picked))
 
+# Add a line break
 print("")

debian/prerm

@@ -12,14 +12,22 @@ def col(id):
 import subprocess
 
 # Remove files and symlinks
+try:
+	subprocess.call(["rm /usr/local/bin/howdy"], shell=True)
+except e:
+	print("Can't remove executable")
 try:
 	subprocess.call(["rm /usr/share/bash-completion/completions/howdy"], shell=True)
 except e:
 	print("Can't remove autocompletion script")
+try:
+	subprocess.call(["rm -rf /lib/security/howdy"], shell=True)
+except e:
+	# This error is normal
 	pass
 
 # Remove face_recognition and dlib
-subprocess.call(["pip3 uninstall face_recognition dlib -y --no-cache-dir"], shell=True)
+subprocess.call(["pip3 uninstall face_recognition face_recognition_models dlib -y --no-cache-dir"], shell=True)
 
 # Print a tearbending message
 print(col(2) + """