Merge branch 'version_strings' into develop

* __init__.py now contains latest release version string
* installing from git checkout that does not correspond to a release commit
  will result in a more descriptive version string

doc/source/conf.py

@@ -50,9 +50,9 @@ copyright = '2011, Luke Campagnola'
 # built documents.
 #
 # The short X.Y version.
-version = ''
+version = '0.9.8'
 # The full version, including alpha/beta/rc tags.
-release = ''
+release = '0.9.8'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

pyqtgraph/__init__.py

@@ -4,7 +4,7 @@ PyQtGraph - Scientific Graphics and GUI Library for Python
 www.pyqtgraph.org
 """
 
-__version__ = None
+__version__ = '0.9.8'
 
 ### import all the goodies and add some helper functions for easy CLI use
 

setup.py

@@ -1,6 +1,7 @@
 from distutils.core import setup
 import distutils.dir_util
-import os
+import os, sys, re
+from subprocess import check_output
 
 ## generate list of all sub-packages
 path = os.path.abspath(os.path.dirname(__file__))
@@ -14,8 +15,89 @@ buildPath = os.path.join(path, 'build')
 if os.path.isdir(buildPath):
     distutils.dir_util.remove_tree(buildPath)
 
+
+## Determine current version string
+initfile = os.path.join(path, 'pyqtgraph', '__init__.py')
+init = open(initfile).read()
+m = re.search(r'__version__ = (\S+)\n', init)
+if m is None or len(m.groups()) != 1:
+    raise Exception("Cannot determine __version__ from init file: '%s'!" % initfile)
+version = m.group(1).strip('\'\"')
+initVersion = version
+
+# If this is a git checkout, try to generate a more decriptive version string
+try:
+    if os.path.isdir(os.path.join(path, '.git')):
+        def gitCommit(name):
+            commit = check_output(['git', 'show', name], universal_newlines=True).split('\n')[0]
+            assert commit[:7] == 'commit '
+            return commit[7:]
+        
+        # Find last tag matching "pyqtgraph-.*"
+        tagNames = check_output(['git', 'tag'], universal_newlines=True).strip().split('\n')
+        while True:
+            if len(tagNames) == 0:
+                raise Exception("Could not determine last tagged version.")
+            lastTagName = tagNames.pop()
+            if re.match(r'pyqtgraph-.*', lastTagName):
+                break
+            
+        # is this commit an unchanged checkout of the last tagged version? 
+        lastTag = gitCommit(lastTagName)
+        head = gitCommit('HEAD')
+        if head != lastTag:
+            branch = re.search(r'\* (.*)', check_output(['git', 'branch'])).group(1)
+            version = version + "-%s-%s" % (branch, head[:10])
+        
+        # any uncommitted modifications?
+        modified = False
+        status = check_output(['git', 'status', '-s'], universal_newlines=True).strip().split('\n')
+        for line in status:
+            if line[:2] != '??':
+                modified = True
+                break        
+                    
+        if modified:
+            version = version + '+'
+    sys.stderr.write("Detected git commit; will use version string: '%s'\n" % version)
+except:
+    version = initVersion
+    sys.stderr.write("This appears to be a git checkout, but an error occurred "
+                     "while attempting to determine a version string for the "
+                     "current commit.\nUsing the unmodified version string "
+                     "instead: '%s'\n" % version)
+    sys.excepthook(*sys.exc_info())
+
+
+import distutils.command.build
+
+class Build(distutils.command.build.build):
+    def run(self):
+        ret = distutils.command.build.build.run(self)
+        
+        # If the version in __init__ is different from the automatically-generated
+        # version string, then we will update __init__ in the build directory
+        global path, version, initVersion
+        if initVersion == version:
+            return ret
+        
+        initfile = os.path.join(path, self.build_lib, 'pyqtgraph', '__init__.py')
+        if not os.path.isfile(initfile):
+            sys.stderr.write("Warning: setup detected a git install and attempted "
+                             "to generate a descriptive version string; however, "
+                             "the expected build file at %s was not found. "
+                             "Installation will use the original version string "
+                             "%s instead.\n" % (initfile, initVersion)
+                             )
+        else:
+            data = open(initfile, 'r').read()
+            open(initfile, 'w').write(re.sub(r"__version__ = .*", "__version__ = '%s'" % version, data))
+        return ret
+        
+
 setup(name='pyqtgraph',
-    version='',
+    version=version,
+    cmdclass={'build': Build},
     description='Scientific Graphics and GUI Library for Python',
     long_description="""\
 PyQtGraph is a pure-python graphics and GUI library built on PyQt4/PySide and

tools/setVersion.py

@@ -0,0 +1,26 @@
+import re, os, sys
+
+version = sys.argv[1]
+
+replace = [
+    ("pyqtgraph/__init__.py", r"__version__ = .*", "__version__ = '%s'" % version),
+    #("setup.py", r"    version=.*,", "    version='%s'," % version),  # setup.py automatically detects version
+    ("doc/source/conf.py", r"version = .*", "version = '%s'" % version),
+    ("doc/source/conf.py", r"release = .*", "release = '%s'" % version),
+    #("tools/debian/control", r"^Version: .*", "Version: %s" % version)
+    ]
+
+path = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..')
+
+for filename, search, sub in replace:
+    filename = os.path.join(path, filename)
+    data = open(filename, 'r').read()
+    if re.search(search, data) is None:
+        print('Error: Search expression "%s" not found in file %s.' % (search, filename))
+        os._exit(1)
+    open(filename, 'w').write(re.sub(search, sub, data))
+    
+print("Updated version strings to %s" % version)
+
+
+