From 568b9677d753a61effece5bb69822872ffb1fb5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <daniel.marjamaki@gmail.com>
Date: Sun, 23 Mar 2014 11:45:29 +0100
Subject: [PATCH] daca2: Added script that downloads all packages and save
 reduced archives in the folder ~/daca2-packages

---
 tools/daca2-download.py | 170 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 tools/daca2-download.py

diff --git a/tools/daca2-download.py b/tools/daca2-download.py
new file mode 100644
index 000000000..c593b150f
--- /dev/null
+++ b/tools/daca2-download.py
@@ -0,0 +1,170 @@
+#!/usr/bin/python
+#
+# 1. Create a folder daca2 in your HOME folder
+# 2. Put cppcheck-O2 in daca2. It should be built with all optimisations.
+# 3. Optional: Put a file called "suppressions.txt" in the daca2 folder.
+# 4. Optional: tweak FTPSERVER and FTPPATH in this script below.
+# 5. Run the daca2 script:  python daca2.py FOLDER
+
+import subprocess
+import sys
+import shutil
+import glob
+import os
+import datetime
+import time
+
+DEBIAN = ['ftp://ftp.sunet.se/pub/Linux/distributions/Debian/debian/',
+          'http://ftp.sunet.se/pub/Linux/distributions/Debian/debian/',
+          'ftp://ftp.debian.org/debian/']
+
+
+def wget(filepath):
+    filename = filepath
+    if filepath.find('/') >= 0:
+        filename = filename[filename.rfind('/') + 1:]
+    for d in DEBIAN:
+        subprocess.call(
+            ['nice', 'wget', '--tries=10', '--timeout=300', '-O', filename, d + filepath])
+        if os.path.isfile(filename):
+            return True
+        print('Sleep for 10 seconds..')
+        time.sleep(10)
+    return False
+
+
+def getpackages():
+    if not wget('ls-lR.gz'):
+        return []
+    subprocess.call(['nice', 'gunzip', 'ls-lR.gz'])
+    f = open('ls-lR', 'rt')
+    lines = f.readlines()
+    f.close()
+    subprocess.call(['rm', 'ls-lR'])
+
+    path = None
+    archives = []
+    filename = None
+    for line in lines:
+        line = line.strip()
+        if len(line) < 4:
+            if filename:
+                archives.append(path + '/' + filename)
+            path = None
+            filename = None
+        elif line[:12] == './pool/main/':
+            path = line[2:-1]
+        elif path and line.find('.orig.tar.') > 0:
+            filename = line[1 + line.rfind(' '):]
+
+    for a in archives:
+        print(a)
+
+    return archives
+
+
+def handleRemoveReadonly(func, path, exc):
+    import stat
+    if not os.access(path, os.W_OK):
+        # Is the error an access error ?
+        os.chmod(path, stat.S_IWUSR)
+        func(path)
+    else:
+        raise
+
+
+def removeAll():
+    count = 5
+    while count > 0:
+        count = count - 1
+
+        filenames = []
+        for g in glob.glob('[#_A-Za-z0-9]*'):
+            filenames.append(g)
+        for g in glob.glob('.[A-Za-z]*'):
+            filenames.append(g)
+
+        try:
+            for filename in filenames:
+                if os.path.isdir(filename):
+                    shutil.rmtree(filename, onerror=handleRemoveReadonly)
+                else:
+                    os.remove(filename)
+        except WindowsError, err:
+            time.sleep(30)
+            if count == 0:
+                print('Failed to cleanup files/folders')
+                print(err)
+                sys.exit(1)
+            continue
+        except OSError, err:
+            time.sleep(30)
+            if count == 0:
+                print('Failed to cleanup files/folders')
+                print(err)
+                sys.exit(1)
+            continue
+        count = 0
+
+
+def removeLargeFiles(path):
+    for g in glob.glob(path + '*'):
+        if g == '.' or g == '..':
+            continue
+        if os.path.islink(g):
+            continue
+        if os.path.isdir(g):
+            removeLargeFiles(g + '/')
+        elif os.path.isfile(g):
+            # remove large files
+            statinfo = os.stat(g)
+            if statinfo.st_size > 100000:
+                os.remove(g)
+
+            # remove non-source files
+            elif g[-2:] != '.C' and g[-2:] != '.c' and g[-4:] != '.cc' and g[-4:] != '.cpp' and g[-4:] != '.cxx' and g[-2:] != '.h':
+                os.remove(g)
+
+def downloadpackage(filepath, outpath):
+    # remove all files/folders
+    removeAll()
+
+    if not wget(filepath):
+        print('Failed to download ' + filepath)
+        return
+
+    filename = filepath[filepath.rfind('/') + 1:]
+    if filename[-3:] == '.gz':
+        subprocess.call(['tar', 'xzvf', filename])
+    elif filename[-3:] == '.xz':
+        subprocess.call(['tar', 'xJvf', filename])
+    elif filename[-4:] == '.bz2':
+        subprocess.call(['tar', 'xjvf', filename])
+    else:
+        return
+
+    removeLargeFiles('')
+
+    for g in glob.glob('[#_A-Za-z0-9]*'):
+        if os.path.isdir(g):
+            subprocess.call(['tar', '-cJvf', outpath + filename[:filename.rfind('.')] + '.xz', g])
+            break
+
+workdir = os.path.expanduser('~/daca2-packages/tmp/')
+if not os.path.isdir(workdir):
+    os.makedirs(workdir)
+os.chdir(workdir)
+
+packages = getpackages()
+if len(packages) == 0:
+    print('failed to load packages')
+    sys.exit(1)
+
+print('Sleep for 10 seconds..')
+time.sleep(10)
+
+for package in packages:
+    downloadpackage(package, os.path.expanduser('~/daca2-packages/'))
+
+# remove all files/folders
+removeAll()