def add_record(name, info):
"""Add meta-info file."""
metadir = os.path.join(get_joltdir(), "meta")
if not os.path.isdir(metadir):
os.makedirs(metadir)
metafile = os.path.join(metadir, name)
with open(metafile, "wb") as f:
simplejson.dump(info, f)
def delete_record(name):
"""Delete meta-info file."""
metadir = os.path.join(get_joltdir(), "meta")
if not os.path.isdir(metadir):
os.makedirs(metadir)
metafile = os.path.join(metadir, name)
if os.path.exists(metafile):
os.remove(metafile)
def command_list():
"""Show the names of installed packages."""
metadir = os.path.join(get_joltdir(), "meta")
if not os.path.isdir(metadir):
return
for f in os.listdir(metadir):
info = get_record(f)
if info:
print "%s: %s" % (f, info["version"])
def command_update():
"""Update all packages installed."""
metadir = os.path.join(get_joltdir(), "meta")
if not os.path.isdir(metadir):
return
for f in os.listdir(metadir):
print "updating %s ..." % f
info = get_record(f)
if info:
command_install(info)
else:
command_install(f)
def get_record(name):
"""Get meta-info from local that is stored information about the package."""
metadir = os.path.join(get_joltdir(), "meta")
if not os.path.isdir(metadir):
os.makedirs(metadir)
metafile = os.path.join(metadir, name)
info = None
if os.path.exists(metafile):
try:
with open(metafile, "rb") as f:
info = simplejson.load(f)
except:
pass
return info
