X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Futils.py;h=c1be6b9014950f2ec798f09ee14b3aaac9599944;hb=0b95d85719cce35a092bb1c49345ef6b63f62476;hp=b20a063a452d4e9d1354f8e4a19c519205855295;hpb=b34e1454c174ccc89f552a0871fbf18e19a01264;p=dak.git

diff --git a/daklib/utils.py b/daklib/utils.py
index b20a063a..c1be6b90 100755
--- a/daklib/utils.py
+++ b/daklib/utils.py
@@ -234,6 +234,10 @@ def parse_changes(filename, signing_rules=0):
     changes_in = open_file(filename)
     content = changes_in.read()
     changes_in.close()
+    try:
+        unicode(content, 'utf-8')
+    except UnicodeError:
+        raise ChangesUnicodeError, "Changes file not proper utf-8"
     return parse_deb822(content, signing_rules)
 
 ################################################################################
@@ -1480,6 +1484,20 @@ def temp_filename(directory=None, prefix="dak", suffix=""):
 
 ################################################################################
 
+def temp_dirname(parent=None, prefix="dak", suffix=""):
+    """
+    Return a secure and unique directory by pre-creating it.
+    If 'parent' is non-null, it will be the directory the directory is pre-created in.
+    If 'prefix' is non-null, the filename will be prefixed with it, default is dak.
+    If 'suffix' is non-null, the filename will end with it.
+
+    Returns a pathname to the new directory
+    """
+
+    return tempfile.mkdtemp(suffix, prefix, parent)
+
+################################################################################
+
 def is_email_alias(email):
     """ checks if the user part of the email is listed in the alias file """
     global alias_cache
@@ -1494,6 +1512,25 @@ 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()
@@ -1502,4 +1539,4 @@ apt_pkg.ReadConfigFileISC(Cnf,default_config)
 if which_conf_file() != default_config:
     apt_pkg.ReadConfigFileISC(Cnf,which_conf_file())
 
-################################################################################
+###############################################################################