Add release script

release.py

@@ -0,0 +1,145 @@
+#!/usr/bin/env python
+#
+# Release script for wish-compiler
+#
+
+from collections import OrderedDict
+
+try:
+    from hostage import *  #pylint: disable=unused-wildcard-import,wildcard-import
+except ImportError:
+    print "!! Release library unavailable."
+    print "!! Use `pip install hostage` to fix."
+    print "!! You will also need an API token in .github.token,"
+    print "!!  a .hubrrc config, or `brew install hub` configured."
+    print "!! A $GITHUB_TOKEN env variable will also work."
+    exit(1)
+
+#
+# Globals
+#
+
+notes = File(".last-release-notes")
+latestTag = git.Tag.latest()
+
+def formatIssue(issue):
+    return "- {title} (#{number})\n".format(
+        number=issue.number,
+        title=issue.title)
+
+def buildLabeled(labelsToTitles):
+    """Given a set of (label, title) tuples, produces an
+    OrderedDict whose keys are `label`, and whose values are
+    dictionaries containing 'title' -> `title`, and
+    'content' -> string. The iteration order of the dictionary
+    will preserve the ordering of the provided tuples
+    """
+    result = OrderedDict()
+    for k, v in labelsToTitles:
+        result[k] = {'title': v, 'content': ''}
+    return result
+
+def buildDefaultNotes(_):
+    if not latestTag: return ''
+
+    logParams = {
+        'path': latestTag.name + "..HEAD",
+        'grep': ["Fix #", "Fixes #", "Closes #"],
+        'pretty': "format:- %s"}
+    logParams["invertGrep"] = True
+    msgs = git.Log(**logParams).output()
+
+    contents = ''
+
+    lastReleaseDate = latestTag.get_created_date()
+    if lastReleaseDate.tzinfo:
+        # pygithub doesn't respect tzinfo, so we have to do it ourselves
+        lastReleaseDate -= lastReleaseDate.tzinfo.utcoffset(lastReleaseDate)
+        lastReleaseDate.replace(tzinfo=None)
+
+    closedIssues = github.find_issues(state='closed', since=lastReleaseDate)
+
+    labeled = buildLabeled([
+        ['feature', "New Features"],
+        ['enhancement', "Enhancements"],
+        ['bug', "Bug Fixes"],
+        ['_default', "Other resolved tickets"],
+    ])
+
+    if closedIssues:
+        for issue in closedIssues:
+            found = False
+            for label in labeled.iterkeys():
+                if label in issue.labels:
+                    labeled[label]['content'] += formatIssue(issue)
+                    found = True
+                    break
+            if not found:
+                labeled['_default']['content'] += formatIssue(issue)
+
+    for labeledIssueInfo in labeled.itervalues():
+        if labeledIssueInfo['content']:
+            contents += "\n**{title}**:\n{content}".format(**labeledIssueInfo)
+
+    if msgs: contents += "\n**Notes**:\n" + msgs
+    return contents.strip()
+
+#
+# Verify
+#
+
+version = verify(File("project.clj")
+                 .filtersTo(RegexFilter('defproject wish-compiler "(.*)"'))
+                ).valueElse(echoAndDie("No version!?"))
+versionTag = git.Tag(version)
+
+verify(versionTag.exists())\
+    .then(echoAndDie("Version `%s` already exists!" % version))
+
+#
+# Make sure all the tests pass
+#
+
+verify(Execute("lein test")).succeeds(silent=False).orElse(die())
+
+#
+# Build the release notes
+#
+
+initialNotes = verify(notes.contents()).valueElse(buildDefaultNotes)
+notes.delete()
+
+verify(Edit(notes, withContent=initialNotes).didCreate())\
+        .orElse(echoAndDie("Aborted due to empty message"))
+
+releaseNotes = notes.contents()
+
+#
+# Compile executable
+#
+
+binFile = "target/base+system+user+dev/wish-compiler"
+verify(Execute('lein bin')).succeeds(silent=False)
+
+#
+# Upload to github
+#
+
+print "Uploading to Github..."
+
+verify(versionTag).create()
+verify(versionTag).push("origin")
+
+gitRelease = github.Release(version)
+verify(gitRelease).create(body=releaseNotes)
+
+print "Uploading", binFile
+verify(gitRelease).uploadFile(binFile, 'application/octet-stream')
+
+#
+# Success! Now, just cleanup and we're done!
+#
+
+notes.delete()
+
+print "Done! Published %s" % version