Better use of absolute paths for portability

.vscode/launch.json

@@ -17,8 +17,9 @@
             "request": "launch",
             "program": "mirror.py",
             "args": [
-                    "--fullscreen",
-                    "--camera", "4",
+                    // "--windowed",
+                    "--output", "/tmp/face_saves",
+                    "--camera", "0",
                 ],
             "console": "integratedTerminal"
         }

README.md

@@ -33,4 +33,6 @@ The installation in Windows can be done, though it is quite elaborate:
         * `cargo build --lib --release`
     + Download dll from https://git.rubenvandeven.com/r/visualhaar/releases
 + Make the installer:
-    * `build_exe.bat`
+    * `& 'C:\Users\DP Medialab\AppData\Roaming\Python\Python38\Scripts\pyinstaller.exe' .\mirror.py --add-binary '.\visualhaar\target\release\visual_haarcascades_lib.dll;.' --add-data '.\haarcascade_frontalface_alt2.xml;.' --add-data '.\SourceSansPro-Regular.ttf;.' --add-data 'dnn;dnn'`
+    * `mv '.\dist\mirror\mpl-data' '.\dist\mirror\matplotlib\'`
+    

build_exe.bat

@@ -1,2 +0,0 @@
-& 'C:\Users\DP Medialab\AppData\Roaming\Python\Python38\Scripts\pyinstaller.exe' .\mirror.py --add-binary '.\visualhaar\target\release\visual_haarcascades_lib.dll;.' --add-data '.\haarcascade_forntalface_alt2.xml;.' --add-data '.\SourceSansPro-Regular.ttf;.' --add-data 'dnn;dnn'
-mv '.\dist\mirror\mpl-data' '.\dist\mirror\matplotlib\'

face_recognition/comparison.py

@@ -22,7 +22,10 @@ titles = {
     'dnn' : "Neural network",
 }
 
-fontfile = "SourceSansPro-Regular.ttf"
+
+project_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)),'..')
+
+fontfile = os.path.join(project_dir, "SourceSansPro-Regular.ttf")
 
 font = ImageFont.truetype(fontfile, 30)
 font_s = ImageFont.truetype(fontfile, 20)
@@ -368,13 +371,13 @@ def process3_haar(in_q, out_q, cascade_file, library_filename = None):
     if library_filename is not None:
         C = ffi.dlopen(library_filename)
     else:
-        dir_path = os.path.dirname(os.path.realpath(__file__))
         
-        lib_path = os.path.join(dir_path, "..", "visualhaar", "target", "release")
+        
+        lib_path = os.path.join(project_dir, "visualhaar", "target", "release")
         possible_paths = [
             os.path.join(lib_path, "libvisual_haarcascades_lib.so"),
             os.path.join(lib_path, "visual_haarcascades_lib.dll"),
-            os.path.join(dir_path, "..", "visual_haarcascades_lib.dll"),
+            os.path.join(project_dir, "visual_haarcascades_lib.dll"),
         ]
 
         existing_paths = [p for p in possible_paths if os.path.exists(p)]

mirror.py

@@ -2,22 +2,23 @@ import argparse
 import face_recognition.comparison
 import cv2
 from multiprocessing import freeze_support
+import os
 
 if __name__ == '__main__':
     freeze_support() # support pyinstaller on Windows
-    
-    parser = argparse.ArgumentParser(description='Visualise face recognition algorithms.')
+
+    parser = argparse.ArgumentParser(description='Visualise face recognition algorithms.', formatter_class=argparse.ArgumentDefaultsHelpFormatter)
     parser.add_argument('--camera', '-c', type=int, default=0,
                         help='Numeric id of the camera')
-    parser.add_argument('--fullscreen', '-f', action='store_true',
-                        help='Display output full screen')
+    parser.add_argument('--windowed', '-w', action='store_true',
+                        help='Display output windowed instead of fullscreen')
     parser.add_argument('--clockwise', action='store_true',
                         help='Rotate clockwise')
     parser.add_argument('--counter-clockwise', action='store_true',
                         help='Rotate counter clockwise')
-    parser.add_argument('--cascade', default='haarcascade_frontalface_alt2.xml',
+    parser.add_argument('--cascade', default=os.path.join(os.path.dirname(os.path.realpath(__file__)),'haarcascade_frontalface_alt2.xml'),
                         help='Cascade XML file to use (opencv format)')
-    parser.add_argument('--output', metavar="DIRECTORY", default='saves',
+    parser.add_argument('--output', metavar="DIRECTORY", default=os.path.expanduser("~/Desktop/faces"),
                         help='Directory to store images (after pressing spacebar)')
     parser.add_argument('--visualhaar-lib', metavar="LIBRARY", default=None,
                         help='path/filename for visualhaar library (.so on linux, .dll on windows)\nSee: https://git.rubenvandeven.com/r/visualhaar/releases')
@@ -30,4 +31,8 @@ if __name__ == '__main__':
     if args.counter_clockwise:
         rotate = cv2.ROTATE_90_COUNTERCLOCKWISE
 
-    face_recognition.comparison.main(args.camera, rotate, args.fullscreen, args.cascade, args.output, args.visualhaar_lib)
+    if not os.path.exists(args.output):
+        print("Making directory:", args.output)
+        os.mkdir(args.output)
+
+    face_recognition.comparison.main(args.camera, rotate, not args.windowed, args.cascade, args.output, args.visualhaar_lib)

requirements.txt

@@ -5,3 +5,4 @@ Pillow
 opencv-python
 cffi
 scikit-image
+pyinstaller