[dak/master] dak: ls: Calculate optimal column sizes

[Julian Andres Klode <jak@debian.org>]

If a package name is longer than 10 characters, or a version
longer than 13 characters, columns had different widths in
different rows. By calculating the maximum column size and
using that instead of hard-coded values, we have a nice
table again (Closes: #705289).
---
 dak/ls.py |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/dak/ls.py b/dak/ls.py
index ea51aae..9d21e5c 100755
--- a/dak/ls.py
+++ b/dak/ls.py
@@ -174,6 +174,19 @@ SELECT s.source, s.version, 'source', su.suite_name, c.name, m.name
 
         packages = d.keys()
         packages.sort()
+
+        # Calculate optimal column sizes
+        sizes = [10, 13, 10]
+        for pkg in packages:
+            versions = d[pkg].keys()
+            for version in versions:
+                suites = d[pkg][version].keys()
+                for suite in suites:
+                       sizes[0] = max(sizes[0], len(pkg))
+                       sizes[1] = max(sizes[1], len(version))
+                       sizes[2] = max(sizes[2], len(suite))
+        fmt = "%%%is | %%%is | %%%is | "  % tuple(sizes)
+
         for pkg in packages:
             versions = d[pkg].keys()
             versions.sort(apt_pkg.version_compare)
@@ -184,7 +197,7 @@ SELECT s.source, s.version, 'source', su.suite_name, c.name, m.name
                     arches = d[pkg][version][suite]
                     arches.sort(utils.arch_compare_sw)
                     if Options["Format"] == "": #normal
-                        sys.stdout.write("%10s | %10s | %13s | " % (pkg, version, suite))
+                        sys.stdout.write(fmt % (pkg, version, suite))
                         sys.stdout.write(", ".join(arches))
                         sys.stdout.write('\n')
                     elif Options["Format"] in [ "control-suite", "heidi" ]:
-- 
1.7.2.5