use setuptools_scm to handle version

.gitignore

@@ -3,4 +3,10 @@
 /dist
 *.pyc
 /.vscode
-venv
+venv
+*.o
+*.a
+*.so
+build/
+ctversion.py
+.eggs

Makefile

@@ -1,4 +1,4 @@
-VERSION_STR := $(shell python -c 'import comictaggerlib.ctversion; print( comictaggerlib.ctversion.version)')
+VERSION_STR := $(shell python setup.py --version)
 
 ifeq ($(OS),Windows_NT)
 	OS_VERSION=win-$(PROCESSOR_ARCHITECTURE)
@@ -30,6 +30,7 @@ clean:
 	rm -f unrar/libunrar.so unrar/libunrar.a unrar/unrar
 	rm -f comictaggerlib/libunrar.so
 	rm -rf comictaggerlib/ui/__pycache__
+	rm comitaggerlib/ctversion.py
 
 pydist:
 	make clean
@@ -53,5 +54,6 @@ else
 endif
 
 dist: unrar
+	pip install .
 	pyinstaller -y comictagger.spec
 	cd dist && zip -r $(FINAL_NAME).zip $(APP_NAME)

comictaggerlib/ctversion.py

@@ -1,3 +0,0 @@
-# This file should contain only these comments, and the line below.
-# Used by packaging makefiles and app
-version = "1.2.0+2"

current_version.txt

@@ -1 +0,0 @@
-1.2.0+2

mac/Makefile

@@ -5,7 +5,7 @@ TAGGER_BASE ?= ../
 TAGGER_SRC := $(TAGGER_BASE)/comictaggerlib
 
 APP_NAME := ComicTagger
-VERSION_STR := $(shell grep version $(TAGGER_SRC)/ctversion.py| cut -d= -f2 | sed 's/\"//g')
+VERSION_STR := $(shell python setup.py --version)
 
 MAC_BASE := $(TAGGER_BASE)/mac
 DIST_DIR := $(MAC_BASE)/dist

requirements.txt

@@ -5,4 +5,4 @@ natsort==3.5.2
 PyPDF2==1.24
 pillow>=4.3.0
 PyQt5>=5.10.1
-git+https://github.com/pyinstaller/pyinstaller@develop
+pyinstaller>=3.5

setup.py

@@ -23,7 +23,6 @@ import sys
 import shutil
 import platform
 import tempfile
-import comictaggerlib.ctversion
 
 python_requires='>=3',
 
@@ -193,7 +192,6 @@ setup(name="comictagger",
         'build_py': BuildPyCommand,
         'install': customInstall,
         },
-      version=comictaggerlib.ctversion.version,
       description="A cross-platform GUI/CLI app for writing metadata to comic archives",
       author="ComicTagger team",
       author_email="comictagger@gmail.com",
@@ -204,6 +202,12 @@ setup(name="comictagger",
       },
       entry_points=dict(console_scripts=['comictagger=comictaggerlib.main:ctmain']),
       data_files=platform_data_files,
+      setup_requires=[
+        "setuptools_scm"
+      ],
+      use_scm_version={
+          'write_to': 'comictaggerlib/ctversion.py'
+      },
       classifiers=[
             "Development Status :: 4 - Beta",
             "Environment :: Console",