[jhbuild/external-deps: 9/19] Script to guess debian package names

[John Carr <johncarr src gnome org>]

commit ded7105bfa51729f852d6e9896b25bdd51a20673
Author: John Carr <john carr unrouted co uk>
Date:   Fri May 29 10:56:30 2009 +0100

    Script to guess debian package names
---
 contrib/update-debian-aliases.py |   71 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 71 insertions(+), 0 deletions(-)

diff --git a/contrib/update-debian-aliases.py b/contrib/update-debian-aliases.py
new file mode 100644
index 0000000..807599e
--- /dev/null
+++ b/contrib/update-debian-aliases.py
@@ -0,0 +1,71 @@
+import subprocess
+import os
+
+# Read in a list of packages from jhbuild
+# FIXME: Ideally this would be a list of modules that satisfy dependencies
+# rather than all modules
+#  At the moment it just operates on output of 'jhbuild list > feed'
+aliases = {}
+for pkg in open('feed').read().split('\n'):
+    if pkg.startswith("meta"):
+         continue
+    aliases[pkg] = None
+pkgs = set(aliases.keys())
+
+# Try to find mappings based on pkg-config files
+p = subprocess.Popen(['apt-file', 'search', '/pkgconfig/'], stdout=subprocess.PIPE)
+stdout, stderr = p.communicate()
+for line in stdout.split('\n'):
+    if not ": " in line:
+        continue
+    package, pcfile = line.split(": ")
+    pcfile = os.path.basename(pcfile)[:-3]
+    if pcfile in pkgs:
+        aliases[pcfile] = package
+    if 'lib'+pcfile in pkgs:
+        aliases['lib'+pcfile] = package
+
+def generate_variants(name):
+    lower = name.lower()
+    if lower.startswith("lib"):
+        yield lower+"-dev"
+    else:
+        yield lower
+        yield lower + "-dev"
+        yield "lib" + lower + "-dev"
+    if lower.endswith("-python"):
+        yield "python-" + lower[:-7]
+    if "-python-" in lower:
+        yield "python-" + lower.replace("-python-", "-")
+
+def simplify(name):
+    s = name.lower().replace("-","").replace(".","")
+    for i in range(0,10):
+        s = s.replace(str(i),"")
+    return s
+
+# Try and find package names (and variants) in app
+import apt
+c = apt.Cache()
+apt_pkgs = set(c.keys())
+
+hashes = {}
+for pkg in apt_pkgs:
+    hashes.setdefault(simplify(pkg), []).append(pkg)
+
+for pkg in pkgs:
+    for variant in generate_variants(pkg):
+        if variant in apt_pkgs:
+            aliases[pkg] = variant
+        elif simplify(variant) in hashes:
+            x = hashes[simplify(variant)][:]
+            x.sort()
+            if len(x) > 1:
+                #print "Multiple matches: %s %s [%s]" % (pkg, len(x), " ".join(x))
+                pass
+            aliases[pkg] = x[-1]
+
+print "aliases = {"
+for k, v in aliases.iteritems():
+    print "    '%s':'%s'," % (k, v)
+print "}"