--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/yml2/yml2proc.py Tue Sep 04 17:00:00 2018 +0200
@@ -0,0 +1,249 @@
+#!/usr/bin/env python
+# vim: set fileencoding=utf-8 :
+
+"""\
+YML/YSLT 2 processor version 5.8
+Copyleft (c), 2009-2011 Volker Birk http://fdik.org/yml/
+
+"""
+
+import sys, os, codecs, locale
+import fileinput, unicodedata
+from optparse import OptionParser
+
+try:
+ from lxml import etree
+except:
+ sys.stderr.write("This program needs lxml, see http://codespeak.net/lxml/\n")
+ sys.exit(1)
+
+from yml2 import ymlCStyle, comment, oldSyntax
+from pyPEG import parse, u
+import backend
+
+def printInfo(option, opt_str, value, parser):
+ sys.stdout.write(__doc__)
+ sys.exit(0)
+
+class YMLAssert(Exception): pass
+
+def w(msg):
+ if isinstance(msg, BaseException):
+ try:
+ msg = str(msg) + "\n"
+ except:
+ msg = u(msg) + u"\n"
+ if type(msg) is unicode:
+ msg = codecs.encode(msg, sys.stderr.encoding)
+ sys.stderr.write(msg)
+
+
+def main():
+ optParser = OptionParser()
+ optParser.add_option("-C", "--old-syntax", action="store_true", dest="old_syntax",
+ help="syntax of YML 2 version 1.x (compatibility mode)", default=False)
+ optParser.add_option("-D", "--emit-linenumbers", action="store_true", dest="emitlinenumbers",
+ help="emit line numbers into the resulting XML for debugging purposes", default=False)
+ optParser.add_option("--debug", action="store_true", dest="trace",
+ help="switch on tracing to stderr", default=False)
+ optParser.add_option("-d", "--paramdict", dest="params", metavar="PARAMS",
+ help="call X/YSLT script with dictionary PARAMS as parameters")
+ optParser.add_option("-e", "--xpath", dest="xpath", metavar="XPATH",
+ help="execute XPath expression XPATH and print result")
+ optParser.add_option("-E", "--encoding", dest="encoding", metavar="ENCODING", default=locale.getdefaultlocale()[1],
+ help="encoding of input files (default to locale)")
+ optParser.add_option("-I", "--include", dest="includePathText", metavar="INCLUDE_PATH",
+ help="precede YML_PATH by a colon separated INCLUDE_PATH to search for include files")
+ optParser.add_option("-m", "--omit-empty-parm-tags", action="store_true", dest="omitemptyparm",
+ help="does nothing (only there for compatibility reasons)", default=False)
+ optParser.add_option("-M", "--empty-input-document", action="store_true", dest="emptyinput",
+ help="use an empty input document", default=False)
+ optParser.add_option("-n", "--normalization", dest="normalization", metavar="NORMALIZATION", default="NFC",
+ help="Unicode normalization (none, NFD, NFKD, NFC, NFKC, FCD, default is NFC)")
+ optParser.add_option("-o", "--output", dest="outputFile", metavar="FILE",
+ help="place output in file FILE")
+ optParser.add_option("-p", "--parse-only", action="store_true", dest="parseonly",
+ help="parse only, then output pyAST as text to stdout", default=False)
+ optParser.add_option("-P", "--pretty", action="store_true", default=False,
+ help="pretty print output adding whitespace")
+ optParser.add_option("-s", "--stringparamdict", dest="stringparams", metavar="STRINGPARAMS",
+ help="call X/YSLT script with dictionary STRINGPARAMS as string parameters")
+ optParser.add_option("-x", "--xml", action="store_true", default=False,
+ help="input document is XML already")
+ optParser.add_option("-X", "--xslt", dest="xslt", metavar="XSLTSCRIPT",
+ help="execute XSLT script XSLTSCRIPT")
+ optParser.add_option("-y", "--yslt", dest="yslt", metavar="YSLTSCRIPT",
+ help="execute YSLT script YSLTSCRIPT")
+ optParser.add_option("-Y", "--xml2yml", action="store_true", default=False,
+ help="convert XML to normalized YML code")
+ optParser.add_option("-V", "--version", action="callback", callback=printInfo, help="show version info and exit")
+ (options, args) = optParser.parse_args()
+
+ if options.old_syntax:
+ oldSyntax()
+
+ if options.trace:
+ backend.enable_tracing = True
+
+ if options.emitlinenumbers:
+ backend.emitlinenumbers = True
+
+ if options.includePathText:
+ backend.includePath = options.includePathText.split(':')
+
+ backend.encoding = options.encoding
+
+ dirs = os.environ.get('YML_PATH', '.').split(':')
+ backend.includePath.extend(dirs)
+
+ if options.xml2yml:
+ for directory in backend.includePath:
+ try:
+ name = directory + "/xml2yml.ysl2"
+ f = open(name, "r")
+ f.close()
+ break
+ except:
+ pass
+
+ options.yslt = name
+ options.xml = True
+
+ if (options.xslt and options.yslt) or (options.xslt and options.xpath) or (options.yslt and options.xpath):
+ sys.stderr.write("Cannot combine --xpath, --xslt and --yslt params\n")
+ sys.exit(1)
+
+ try:
+ ymlC = ymlCStyle()
+
+ rtext = u""
+
+ if not options.emptyinput:
+ files = fileinput.input(args, mode="rU", openhook=fileinput.hook_encoded(options.encoding))
+
+ if options.xml:
+ rtext = ""
+ for line in files:
+ rtext += line
+ else:
+ result = parse(ymlC, files, True, comment)
+ if options.parseonly:
+ print(result)
+ sys.exit(0)
+ else:
+ rtext = backend.finish(result)
+
+ if not rtext:
+ rtext = u"<empty/>"
+
+ def ymldebug(context, text):
+ if options.trace:
+ sys.stderr.write("Debug: " + codecs.encode(u(text), options.encoding) + "\n")
+ return ""
+
+ def ymlassert(context, value, msg):
+ if options.trace:
+ if not value:
+ raise YMLAssert(msg)
+ return ""
+
+ ymlns = etree.FunctionNamespace("http://fdik.org/yml")
+ ymlns.prefix = "yml"
+ ymlns['debug'] = ymldebug
+ ymlns['assert'] = ymlassert
+
+ if options.xpath:
+ tree = etree.fromstring(rtext)
+ ltree = tree.xpath(codecs.decode(options.xpath, options.encoding))
+ rtext = u""
+ try:
+ for rtree in ltree:
+ rtext += etree.tostring(rtree, pretty_print=options.pretty, encoding=unicode)
+ except:
+ rtext = ltree
+
+ elif options.yslt or options.xslt:
+ params = {}
+
+ if options.yslt:
+ backend.clearAll()
+ yscript = fileinput.input(options.yslt, mode="rU", openhook=fileinput.hook_encoded(options.encoding))
+ yresult = parse(ymlC, yscript, True, comment)
+ ytext = backend.finish(yresult)
+ else:
+ yscript = fileinput.input(options.xslt, mode="rU")
+ ytext = ""
+ for line in yscript:
+ ytext += line
+
+ doc = etree.fromstring(rtext)
+
+ xsltree = etree.XML(ytext, base_url=os.path.abspath(yscript.filename()))
+ transform = etree.XSLT(xsltree)
+
+ if options.params:
+ params = eval(options.params)
+ for key, value in params.iteritems():
+ if type(value) != unicode:
+ params[key] = u(value)
+ if options.stringparams:
+ for key, value in eval(options.stringparams).iteritems():
+ params[key] = u"'" + u(value) + u"'"
+
+ rresult = transform(doc, **params)
+ # lxml is somewhat buggy
+ try:
+ rtext = u(rresult)
+ except:
+ rtext = etree.tostring(rresult, encoding=unicode)
+ if not rtext:
+ rtext = codecs.decode(str(rresult), "utf-8")
+
+ if options.normalization != "none":
+ rtext = unicodedata.normalize(options.normalization, rtext)
+
+ if options.pretty:
+ plaintext = etree.tostring(etree.fromstring(rtext), pretty_print=True, xml_declaration=True, encoding=options.encoding)
+ else:
+ if isinstance(rtext, unicode):
+ plaintext = codecs.encode(rtext, options.encoding)
+ else:
+ plaintext = str(rtext)
+
+ try:
+ if plaintext[-1] == "\n":
+ plaintext = plaintext[:-1]
+ except: pass
+
+ if options.outputFile and options.outputFile != "-":
+ outfile = open(options.outputFile, "w")
+ outfile.write(plaintext)
+ outfile.close()
+ else:
+ print(plaintext)
+
+ except KeyboardInterrupt:
+ w("\n")
+ sys.exit(1)
+ except YMLAssert as msg:
+ w(u"YML Assertion failed: " + u(msg) + u"\n")
+ sys.exit(2)
+ except KeyError as msg:
+ w(u"not found: " + u(msg) + u"\n")
+ sys.exit(4)
+ except LookupError as msg:
+ w(u"not found: " + u(msg) + u"\n")
+ sys.exit(4)
+ except etree.XMLSyntaxError as e:
+ log = e.error_log.filter_from_level(etree.ErrorLevels.FATAL)
+ for entry in log:
+ w(u"XML error: " + u(entry.message) + u"\n")
+ sys.exit(5)
+ except Exception as msg:
+ w(msg)
+ sys.exit(5)
+
+
+if __name__ == "__main__":
+ sys.exit(main())
+