X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Futils.py;h=27c3af38e422e1c5658462e5a0ccc4197cff749b;hb=e0ef48cd237d4af31499adbb16606ce3d8b7ee4f;hp=e0bdfe8412dca1f5f062ac249f16eb8714b04cec;hpb=b481cd8cf9d18912aeb6c0af1e7ab883e347381e;p=dak.git

diff --git a/daklib/utils.py b/daklib/utils.py
index e0bdfe84..27c3af38 100755
--- a/daklib/utils.py
+++ b/daklib/utils.py
@@ -37,6 +37,7 @@ import stat
 import apt_pkg
 import database
 import time
+import tarfile
 import re
 import string
 import email as modemail
@@ -1498,6 +1499,25 @@ def is_email_alias(email):
 
 ################################################################################
 
+def get_changes_files(dir):
+    """
+    Takes a directory and lists all .changes files in it (as well as chdir'ing
+    to the directory; this is due to broken behaviour on the part of p-u/p-a
+    when you're not in the right place)
+
+    Returns a list of filenames
+    """
+    try:
+        # Much of the rest of p-u/p-a depends on being in the right place
+        os.chdir(dir)
+        changes_files = [x for x in os.listdir(dir) if x.endswith('.changes')]
+    except OSError, e:
+        fubar("Failed to read list from directory %s (%s)" % (dir, e))
+
+    return changes_files
+
+################################################################################
+
 apt_pkg.init()
 
 Cnf = apt_pkg.newConfiguration()
@@ -1507,3 +1527,53 @@ if which_conf_file() != default_config:
     apt_pkg.ReadConfigFileISC(Cnf,which_conf_file())
 
 ################################################################################
+
+def generate_contents_information(filename):
+    """
+    Generate a list of flies contained in a .deb
+
+    @ptype filename: string
+    @param filename: the path to a .deb
+
+    @rtype: list
+    @return: a list of files in the data.tar.* portion of the .deb
+    """
+    cmd = "ar t %s" % (filename)
+    (result, output) = commands.getstatusoutput(cmd)
+    if result != 0:
+        reject("%s: 'ar t' invocation failed." % (filename))
+        reject(utils.prefix_multi_line_string(output, " [ar output:] "), "")
+
+    # Ugh ... this is ugly ... Code ripped from process_unchecked.py
+    chunks = output.split('\n')
+
+    contents = []
+    try:
+        cmd = "ar x %s %s" % (filename, chunks[2])
+        (result, output) = commands.getstatusoutput(cmd)
+        if result != 0:
+            reject("%s: '%s' invocation failed." % (filename, cmd))
+            reject(utils.prefix_multi_line_string(output, " [ar output:] "), "")
+
+        # Got deb tarballs, now lets go through and determine what bits
+        # and pieces the deb had ...
+        if chunks[2] == "data.tar.gz":
+            data = tarfile.open("data.tar.gz", "r:gz")
+        elif chunks[2] == "data.tar.bz2":
+            data = tarfile.open("data.tar.bz2", "r:bz2")
+        else:
+            os.remove(chunks[2])
+            reject("couldn't find data.tar.*")
+
+        for tarinfo in data:
+            if not tarinfo.isdir():
+                contents.append(tarinfo.name[2:])
+
+    finally:
+        if os.path.exists( chunks[2] ):
+            shutil.rmtree( chunks[2] )
+            os.remove( chunks[2] )
+
+    return contents
+
+###############################################################################