setup: rework version determination for release bundles and update values

.gitignore

@@ -2,6 +2,7 @@
 *.pyc
 __pycache__
 *dist/
+*build/
 *egg-info/
 *.tar.gz
 

setup.py

@@ -1,3 +1,4 @@
+import io
 import os
 import subprocess
 
@@ -8,34 +9,45 @@ from setuptools import setup, find_packages
 # Used for the long_description.  It's nice, because now 1) we have a top level
 # README file and 2) it's easier to type in the README file than to put a raw
 # string in below ...
-def read(fname):
-    return open(os.path.join(os.path.dirname(__file__), fname)).read()
+def read(filename):
+    with io.open(os.path.join(os.path.dirname(__file__), filename)) as f:
+        return f.read()
 
 
-# Utility function to determine version using git in a PEP-440 compatible way
-def get_git_version():
+# Utility function to determine version using git in a PEP-440 compatible way, fallback to version.txt for releases
+def determine_version():
+    dir_path = os.path.dirname(os.path.realpath(__file__))
+    ver_file = os.path.join(dir_path, "version.txt")
+    version = "0.0.0"
+    if os.path.exists(ver_file):
+        version = read(ver_file)
+    # If this is a release file and no git is found, use version.txt
+    if not os.path.isdir(os.path.join(dir_path, ".git")):
+        return version
+    # Derive version from git
     try:
-        output = subprocess.check_output(['git', 'describe', '--tags', '--dirty']).decode('utf-8').strip().split('-')
+        output = subprocess.check_output(['git', 'describe', '--tags', '--dirty'], cwd=dir_path)\
+            .decode('utf-8').strip().split('-')
         if len(output) == 1:
-            version = output[0]
+            return output[0]
         elif len(output) == 2:
-            version = "{}.dev0".format(output[0])
+            return "{}.dev0".format(output[0])
         else:
             release = 'dev' if len(output) == 4 and output[3] == 'dirty' else ''
-            version = "{}.{}{}+{}".format(output[0], release, output[1], output[2])
+            return "{}.{}{}+{}".format(output[0], release, output[1], output[2])
     except subprocess.CalledProcessError:
         try:
             commit = subprocess.check_output(['git', 'rev-parse', 'HEAD']).decode('utf-8').strip()
             status = subprocess.check_output(['git', 'status', '-s']).decode('utf-8').strip()
-            version = "0.0.0.dev0+{}".format(commit) if len(status) > 0 else "0.0.0+{}".format(commit)
+            return "{}.dev0+{}".format(version, commit) if len(status) > 0 else "{}+{}".format(version, commit)
         except subprocess.CalledProcessError:
-            version = "0.0.0"
-    return version
+            # finding the git version has utterly failed, use version.txt
+            return version
 
 
 setup(
     name="acertmgr",
-    version=get_git_version(),
+    version=determine_version(),
     author="Markus Hauschild",
     author_email="moepman@binary-kitchen.de",
     description="An automated certificate manager using ACME/letsencrypt",
@@ -46,7 +58,10 @@ setup(
     long_description=read('README.md'),
     long_description_content_type="text/markdown",
     classifiers=[
-        "Development Status :: 3 - Alpha",
+        "Development Status :: 4 - Beta",
+        "Programming Language :: Python",
+        "Environment :: Console",
+        "Topic :: Security :: Cryptography",
         "License :: OSI Approved :: ISC License",
     ],
     install_requires=[

version.txt

@@ -0,0 +1 @@
+0.9.1