Explicitly write Version to file

Delay import of asteval
Use __version__.py instead of VERSION.txt

.gitignore

@@ -52,3 +52,4 @@ exp/
 _extras/
 *.sublime-*
 site/
+jrnl/__version__.py

.travis.yml

@@ -113,6 +113,7 @@ jobs:
       before_deploy:
         - poetry config http-basic.pypi "$PYPI_USER" "$PYPI_PASS"
         - poetry version "$TRAVIS_TAG"
+        - echo __version__ = \"$TRAVIS_TAG\" > jrnl/__version__.py
         - poetry build
       deploy:
         - provider: script

jrnl/__init__.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
 
-import pkg_resources
-
-dist = pkg_resources.get_distribution('jrnl')
-__title__ = dist.project_name
-__version__ = dist.version
-
+import os
+try:
+    from .__version__ import __version__
+except ImportError:
+    __version__ = "source"
+__title__ = "jrnl"

jrnl/plugins/template.py

@@ -1,5 +1,4 @@
 import re
-import asteval
 import yaml
 
 VAR_RE = r"[_a-zA-Z][a-zA-Z0-9_]*"
@@ -39,6 +38,7 @@ class Template:
         return self._expand(self.blocks[block], **vars)
 
     def _eval_context(self, vars):
+        import asteval
         e = asteval.Interpreter(use_numpy=False, writer=None)
         e.symtable.update(vars)
         e.symtable['__last_iteration'] = vars.get("__last_iteration", False)