Use the Fallback version number also when importing Theano.

doc/internal/how_to_release.txt

@@ -37,7 +37,7 @@ Update the year in the ``Theano/LICENSE.txt`` file too, if necessary.
 ``NEWS.txt`` usually contains the name and date of the release, change them
 too.
 
-Update the fallback version in ``setup.py``.
+Update the fallback version in ``theano/version.py``.
 
 Update the code and the documentation for the theano flags
 ``warn.ignore_bug_before`` to accept the new version. You must modify the

setup.py

@@ -16,8 +16,6 @@ except ImportError:
 
 import versioneer
 
-FALLBACK_VERSION="0.10.0beta3+unknown"
-
 CLASSIFIERS = """\
 Development Status :: 4 - Beta
 Intended Audience :: Education
@@ -74,6 +72,16 @@ def find_packages(where='.', exclude=()):
 version_data = versioneer.get_versions()
 
 if version_data['error'] is not None:
+    # Get the fallback version
+    # We can't import theano.version as it isn't yet installed, so parse it.
+    fname = os.path.join(os.path.split(__file__)[0], "theano", "version.py")
+    with open(fname, "r") as f:
+        lines = f.readlines()
+    lines = [l for l in lines if l.startswith("FALLBACK_VERSION")]
+    assert len(lines) == 1
+
+    FALLBACK_VERSION = lines[0].split("=")[1].strip().strip('""')
+
     version_data['version'] = FALLBACK_VERSION
 
 

theano/__init__.py

@@ -245,7 +245,3 @@ def sparse_grad(var):
 
 
 __import__('theano.tensor.shared_randomstreams')
-
-from ._version import get_versions
-__version__ = get_versions()['version']
-del get_versions

theano/version.py

@@ -2,23 +2,27 @@ from __future__ import absolute_import, print_function, division
 
 from theano._version import get_versions
 
+FALLBACK_VERSION = "0.10.0beta3+unknown"
+
 info = get_versions()
+if info['error'] is not None:
+    info['version'] = FALLBACK_VERSION
+
 full_version = info['version']
 git_revision = info['full-revisionid']
 del info, get_versions
 
 short_version = full_version.split('+')[0]
 
+
 # This tries to catch a tag like beta2, rc1, ...
 try:
     int(short_version.split('.')[2])
     release = True
-except (ValueError, IndexError):
-    # IndexError can happen with the version:
-    # 0+untagged.2896.g0560a7f for example
+except ValueError:
     release = False
 
-if release:
+if release and info['error'] is None:
     version = short_version
 else:
     version = full_version