def get(url, dest):
"""Get file from <url> and save it to <dest>.
Tries to retrieve <url> from cache, otherwise stores it in
cache following retrieval.
"""
url = urllib.unquote(url)
if url.endswith("/"):
raise Error("illegal url - can't get a directory")
if os.path.isdir(dest):
dest = os.path.join(dest, os.path.basename(url))
else:
if dest.endswith("/"):
raise Error("no such directory: " + dest)
if os.path.lexists(dest):
raise Error("won't overwrite already existing file: " + dest)
cache = Cache()
cached_path = cache.retrieve(url, dest)
if cached_path:
print "* get: retrieved file from cache"
else:
print "* get: retrieving file from network..."
system("curl -L -f %s -o %s" % (mkarg(url), mkarg(dest)))
cached_path = cache.store(url, dest)
return cached_path
def get(url, dest):
"""Get file from <url> and save it to <dest>.
Tries to retrieve <url> from cache, otherwise stores it in
cache following retrieval.
"""
url = urllib.unquote(url)
if url.endswith("/"):
raise Error("illegal url - can't get a directory")
if os.path.isdir(dest):
dest = os.path.join(dest, os.path.basename(url))
else:
if dest.endswith("/"):
raise Error("no such directory: " + dest)
if os.path.lexists(dest):
raise Error("won't overwrite already existing file: " + dest)
cache = Cache()
cached_path = cache.retrieve(url, dest)
if cached_path:
print "* get: retrieved file from cache"
else:
print "* get: retrieving file from network..."
system("curl -L -f %s -o %s" % (mkarg(url), mkarg(dest)))
cached_path = cache.store(url, dest)
return cached_path
def apply_overlay(src, dst, olist_path):
orig_cwd = os.getcwd()
os.chdir(src)
executil.getoutput("tar --create --files-from=%s | tar --extract --directory %s" %
(olist_path, executil.mkarg(dst)))
os.chdir(orig_cwd)
def _prepare_command(self, *command):
env = ['env', '-i'] + [
executil.mkarg(name + "=" + val)
for name, val in self.environ.items()
]
command = executil.fmt_command(*command)
return ("chroot", self.path, 'sh', '-c', " ".join(env) + " " + command)
def apply_overlay(src, dst, olist_path):
orig_cwd = os.getcwd()
os.chdir(src)
executil.getoutput(
"tar --create --files-from=%s | tar --extract --directory %s" %
(olist_path, executil.mkarg(dst)))
os.chdir(orig_cwd)
def _prepare_command(self, *command):
env = ['env', '-i' ] + [ executil.mkarg(name + "=" + val)
for name, val in self.environ.items() ]
command = executil.fmt_command(*command)
return ("chroot", self.path, 'sh', '-c', " ".join(env) + " " + command)
