Mike K <mbk.li...@gmail.com> writes:
> All,
>
> I tried to use this script on Windows and it blew up real good! I'm a
> Clojure, Java, and Leiningen newbie, so perhaps a kind soul can help
> me out.
>
> 1. lein self-install "worked". It downloaded leiningen-1.0.0-
> standalone.jar. However, that contradicts the description at
> http://zef.me/2470/building-clojure-projects-with-leiningen which
> indicates that self-install should download several jars, including
> clojure itself. That didn't happen, and it looks like it would never
> happen according to the python script. Also, I'd rather use one and
> only one clojure, clojure-contrib, etc. for everything rather than
> Leiningen using its own. Is this possible?
As you have already found out you need only standalone leiningen jar,
which is downloaded by "lein.py".
> 2. Any other lein command seems to require the clojure jar in the
> repository ~/.m2/repository/org/clojure/clojure/1.1.0-alpha-SNAPSHOT/
> clojure-1.1.0-alpha-SNAPSHOT.jar. Since I don't have one there, I
> modified CLOJURE_JAR to point to my existing jar. Everything still
> fails with this sort of error:
>
> lein help
> java.lang.NoClassDefFoundError: Files
> Caused by: java.lang.ClassNotFoundException: Files
> at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:303)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:316)
> Could not find the main class: Files. Program will exit.
> Exception in thread "main"
>
> I suspect the suspicious "Files" class name is coming from the fact
> that I now have CLOJURE_JAR set as follows:
>
> CLOJURE_JAR = expanduser("C:\\Program Files (x86)\\Clojure Box\\clojure
> \\clojure-1.0.0.jar")
>
> Looks like I'm getting bit by spaces in the path name. This would not
> be an issue if lein had downloaded its own clojure jar during step 1
> (no spaces in that path).
Yes, there are some escaping problems on Windows. I changed a little bit
"lein.py" and this worked for me on Windows and Linux:
<lein.py>
#!/usr/bin/env python
import sys
from glob import glob
from os import makedirs, system, getenv
from os.path import expanduser, dirname, exists
from urllib import urlretrieve
### inits
VERSION = "1.0.0"
if sys.platform == "win32":
CP_SEP = ";"
else:
CP_SEP = ":"
LEIN_JAR =
expanduser("~/.m2/repository/leiningen/leiningen/%s/leiningen-%s-standalone.jar"
% (VERSION, VERSION))
CLOJURE_JAR =
expanduser("~/.m2/repository/org/clojure/clojure/1.1.0-alpha-SNAPSHOT/clojure-1.1.0-alpha-SNAPSHOT.jar")
CPS = glob("lib/*")
LEIN_URL = "http://repo.technomancy.us/leiningen-%s-standalone.jar"; % (VERSION)
# leiningen installation checks
LEIN_BIN_DIR = dirname(sys.argv[0])
if exists(LEIN_BIN_DIR + "../src/leiningen/core.clj"):
# running from source-checkout
LEIN_LIBS = glob(LEIN_BIN_DIR + "/*")
CLASSPATH = CPS + [LEIN_LIBS]
if len(LEIN_LIBS) < 1 and sys.argv[1] != 'self-install':
print "Your Leiningen development checkout is missing its dependencies."
print "Please download a stable version of Leiningen to fetch the deps."
print "See the \"Hacking\" section of the readme for details."
exit(1)
else:
# not running from a checkout
CLASSPATH = CPS + [LEIN_JAR]
if not exists(LEIN_JAR) and sys.argv[1] != 'self-install':
print "Leiningen is not installed. Please run \"lein self-install\"."
exit(1)
if getenv("DEBUG"):
print CP_SEP.join(CLASSPATH)
### defs
def quote_cp(cp):
return CP_SEP.join("\"%s\"" % p for p in cp)
def download_lein_jar():
# TODO: wget / curl?
print("downloading %s -> %s ..." % (LEIN_URL, LEIN_JAR)),
sys.stdout.flush()
LEIN_JAR_DIR = dirname(LEIN_JAR)
if not exists(LEIN_JAR_DIR):
makedirs(LEIN_JAR_DIR)
# 'urlretrieve' is incrediblly slow! but it is portable anyway...
urlretrieve(LEIN_URL, LEIN_JAR)
print("done")
def start_repl(argv):
# TODO: rlwrap?
cp = ['src', 'classes'] + CLASSPATH
CMD = 'java -cp %s clojure.main %s' % (quote_cp(cp), " ".join(argv))
system(CMD)
def run_leiningen(argv):
def escape_arg(s):
return s.replace("\\", "\\\\").replace("\"", "\\\"")
ARGS = " ".join([ '"' + escape_arg(s) + '"' for s in argv ])
CMD = "java -Xbootclasspath/a:%s -client -cp %s clojure.main -e \"(use
'leiningen.core) (-main \\\"%s\\\")\"" \
% (quote_cp([CLOJURE_JAR]), quote_cp(CLASSPATH), ARGS)
system(CMD)
### main
if __name__ == '__main__':
if len(sys.argv) > 1 and sys.argv[1] == 'self-install':
download_lein_jar()
elif len(sys.argv) > 1 and sys.argv[1] == 'repl':
start_repl(sys.argv[2:])
else:
run_leiningen(sys.argv[1:])
### EOF
</lein.py>
>
> 3. My clojure jar is clojure-1.0.0.jar from clojure org. The script
> uses clojure-1.1.0-alpha-SNAPSHOT.jar, but a comment from the link
> implies that this has been supplanted by 1.1.0-master.jar. In any
> event, I don't know where either of these two things are. I tried
> going to build.clojure.org, but all the build artifiacts there are
> named clojure.jar.
>
> 4. BTW, what's the deal with this ".m2" directory (i.e., where does
> the name come from)?
It comes from maven world: http://maven.apache.org/
>
> Thanks for any help you can provide!
>
> Mike
HTH,
Rob
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