Misc.__run__.py Maven / Gradle / Ivy
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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
# Copyright ? Corporation for National Research Initiatives
import sys, os, java, jarray
# The global `zipfile' is magically inserted by jpython -jar. IMO this is
# somewhat bogus. See org/python/util/jpython.java for alternatives
def fixname(s):
result = []
lasti = 0
for i in range(len(s)):
if s[i] == '/':
result.append(s[lasti:i])
lasti = i+1
result.append(s[lasti:])
return apply(os.path.join, tuple(result))
entries = zipfile.entries()
outdir = sys.prefix #os.path.join(sys.prefix, 'Lib')
print 'Installing to:', outdir
buffer = jarray.zeros(1024, 'b')
testdir = os.path.join(outdir, 'Lib', 'test')
if not os.path.exists(testdir):
os.mkdir(testdir)
while entries.hasMoreElements():
entry = entries.nextElement()
if entry.isDirectory():
continue
infile = zipfile.getInputStream(entry)
name = fixname(entry.getName())
if name == '__run__.py':
continue
outname = os.path.join(outdir, name)
outfile = java.io.FileOutputStream(outname)
## print entry.getSize(), entry.getMethod(), entry.DEFLATED
## if entry.getMethod() == entry.DEFLATED:
## infile = java.util.zip.GZIPInputStream(infile)
bytes = entry.getSize() #infile.available()
print 'copying %s to %s (%d bytes)' % (name, outname, bytes)
while 1:
n = infile.read(buffer)
if n == -1:
break
outfile.write(buffer, 0, n)
infile.close()
outfile.close()
print 'Now precompiling library...'
print
import sys, os
import compileall
lib = os.path.join(sys.prefix, 'Lib')
compileall.compile_dir(lib)
print
print 'Installation of Python libraries is complete'