[121076] users/jmr

[jmr at macports.org]

Revision: 121076
          https://trac.macports.org/changeset/121076
Author:   jmr at macports.org
Date:     2014-06-16 19:43:53 -0700 (Mon, 16 Jun 2014)
Log Message:
-----------
scripts for pruning archives

Added Paths:
-----------
    users/jmr/delete_old_archives/
    users/jmr/delete_old_archives/current_versions.tcl
    users/jmr/delete_old_archives/delete_old_archives.py


Property changes on: users/jmr/delete_old_archives
___________________________________________________________________
Added: svn:ignore
   + current_versions.txt


Added: users/jmr/delete_old_archives/current_versions.tcl
===================================================================
--- users/jmr/delete_old_archives/current_versions.tcl	                        (rev 0)
+++ users/jmr/delete_old_archives/current_versions.tcl	2014-06-17 02:43:53 UTC (rev 121076)
@@ -0,0 +1,17 @@
+#!/usr/bin/env port-tclsh
+
+package require macports
+mportinit
+
+if {[catch {set res [mportlistall]} result]} {
+    puts stderr "$::errorInfo"
+    error "listing all ports failed: $result"
+}
+
+foreach {name dictionary} $res {
+    array unset portinfo
+    array set portinfo $dictionary
+    puts "${name} $portinfo(version)_$portinfo(revision)"
+}
+
+mportshutdown


Property changes on: users/jmr/delete_old_archives/current_versions.tcl
___________________________________________________________________
Added: svn:executable
   + *
Added: svn:keywords
   + Id
Added: svn:eol-style
   + native

Added: users/jmr/delete_old_archives/delete_old_archives.py
===================================================================
--- users/jmr/delete_old_archives/delete_old_archives.py	                        (rev 0)
+++ users/jmr/delete_old_archives/delete_old_archives.py	2014-06-17 02:43:53 UTC (rev 121076)
@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+
+greatestAge = 0
+greatestSize = 0
+totalSize = 0
+
+class archiveFile(object):
+    """An archive file being considered for deletion"""
+    def __init__(self, path, age, size):
+        self.path = path
+        self.age = age
+        self.size = size
+
+def weightedValue(age, size):
+    """Combine an age and a size into a value out of 100"""
+    weightedAge = (float(age) / float(greatestAge)) * 50.0
+    weightedSize = (float(size) / float(greatestSize)) * 50.0
+    return weightedAge + weightedSize
+
+def weightedKey(archive):
+    """Key extraction function for sorting using weightedValue"""
+    return weightedValue(archive.age, archive.size)
+
+import sys
+
+versionFile = 'current_versions.txt'
+rootDir = '.'
+
+if len(sys.argv) > 1:
+    rootDir = sys.argv[1]
+    if len(sys.argv) > 2:
+        versionFile = sys.argv[2]
+
+import re
+# patterns to match against for archives that are the current version
+currentVersions = {}
+fd = open(versionFile, 'r')
+for line in fd:
+    name, version = line.split()
+    currentVersions[name] = re.compile(name+'-'+version+'[.+]')
+fd.close()
+
+import time
+now = time.time()
+fileList = []
+
+import os
+for portdir in os.listdir(rootDir):
+    portDirPath = os.path.join(rootDir, portdir)
+    if os.path.isdir(portDirPath):
+        for archiveFilename in os.listdir(portDirPath):
+            if archiveFilename.endswith('.rmd160') or currentVersions[portdir].match(archiveFilename):
+                continue
+            archivePath = os.path.join(portDirPath, archiveFilename)
+            if os.path.isfile(archivePath):
+                thisAge = now - os.path.getmtime(archivePath)
+                thisSize = os.path.getsize(archivePath)
+                thisArchiveFile = archiveFile(archivePath, thisAge, thisSize)
+                fileList.append(thisArchiveFile)
+                if thisArchiveFile.age > greatestAge:
+                    greatestAge = thisArchiveFile.age
+                if thisArchiveFile.size > greatestSize:
+                    greatestSize = thisArchiveFile.size
+                totalSize += thisSize
+
+fileList.sort(key=weightedKey, reverse=True)
+
+for f in fileList:
+    sys.stderr.write(f.path+' '+str(f.age)+' '+str(f.size)+': weighted value = '+str(weightedValue(f.age, f.size))+'\n')
+
+# trim files until the total size of non-current archives remaining is this or less
+targetSize = 200 * 10**9
+
+for f in fileList:
+    if totalSize <= targetSize:
+        break
+    print (f.path)
+    sigpath = f.path+'.rmd160'
+    if os.path.isfile(sigpath):
+        print (sigpath)
+    totalSize -= f.size


Property changes on: users/jmr/delete_old_archives/delete_old_archives.py
___________________________________________________________________
Added: svn:executable
   + *
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