Added script to generate index for addon repository

diff --git a/tools/build-addon-index.py b/tools/build-addon-index.py
new file mode 100755 (executable)
index 0000000..0159ab9
--- /dev/null
+++ b/tools/build-addon-index.py
@@ -0,0 +1,95 @@
+#!/usr/bin/env python
+
+# SuperTux
+# Copyright (C) 2006 Matthias Braun <matze@braunis.de>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import sexpr
+import sys
+import os
+import glob
+import hashlib
+
+def escape_str(str):
+    return "\"%s\"" % str.replace("\"", "\\\"")
+
+class Addon:
+    def __init__(self, filename):
+        lst = sexpr.parse(filename)
+        if lst[0][0] != "supertux-addoninfo":
+            raise Exception("not a supertux-addoninfo: %s" % lst[0][0])
+        else:
+            tags = {}
+            for k, v in lst[0][1:]:
+                if k == "id":
+                    self.id = v
+                elif k == "version":
+                    self.version = int(v)
+                elif k == "type":
+                    self.type = v
+                elif k == "title":
+                    self.title = v
+                elif k == "author":
+                    self.author = v
+                elif k == "license":
+                    self.license = v
+                else:
+                    raise Exception("unknown tag: %s" % k)
+
+            self.md5 = ""
+            self.url = ""
+                    
+    def write(self, fout):
+        fout.write("  (supertux-addoninfo\n")
+        fout.write("    (id %s)\n" % escape_str(self.id))
+        fout.write("    (version %d)\n" % self.version)
+        fout.write("    (type %s)\n" % escape_str(self.type))
+        fout.write("    (title %s)\n" % escape_str(self.title))
+        fout.write("    (author %s)\n" % escape_str(self.author))
+        fout.write("    (license %s)\n" % escape_str(self.license))
+        fout.write("    (http-url %s)\n" % escape_str(self.url))
+        fout.write("    (md5 %s)\n" % escape_str(self.md5))
+        fout.write("   )\n")
+  
+def process_addon(addon_dir, nfo, md5, url):
+    # print addon_dir, nfo
+    with open(nfo) as fin:
+        addon = Addon(fin.read())
+        addon.md5 = md5
+        addon.url = url
+        addon.write(sys.stdout)
+
+sys.stdout.write(";; automatically generated by build-addon-index.py\n")
+sys.stdout.write("(supertux-addons\n")
+for directory in sys.argv[1:]:
+    for addon_dir in os.listdir(directory):
+        zipfile = os.path.normpath(os.path.join(directory, "../repository/", addon_dir + ".zip"))
+        with open(zipfile, 'rb') as fin:
+            md5 = hashlib.md5(fin.read()).hexdigest()
+        url = "http://localhost:8000/repository/%s" % (addon_dir + ".zip")
+        nfos = glob.glob(os.path.join(directory, addon_dir, "*.nfo"))
+        if len(nfos) == 0:
+            raise Exception(".nfo file missing")
+        elif len(nfos) > 1:
+            raise Exception("to many .nfo files")
+        else:
+            try:
+                process_addon(os.path.join(directory, addon_dir), nfos[0], md5, url)
+            except Exception, e:
+                sys.stderr.write("%s: ignoring addon because: %s\n" % (addon_dir, e))
+sys.stdout.write(")\n\n;; EOF ;;\n")
+
+# EOF #

diff --git a/tools/sexpr.py b/tools/sexpr.py
new file mode 100755 (executable)
index 0000000..4c69f92
--- /dev/null
+++ b/tools/sexpr.py
@@ -0,0 +1,112 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2014 Ingo Ruhnke <grumbel@gmail.com>
+#
+# This software is provided 'as-is', without any express or implied
+# warranty. In no event will the authors be held liable for any damages
+# arising from the use of this software.
+#
+# Permission is granted to anyone to use this software for any purpose,
+# including commercial applications, and to alter it and redistribute it
+# freely, subject to the following restrictions:
+#
+# 1. The origin of this software must not be misrepresented; you must not
+#    claim that you wrote the original software. If you use this software
+#    in a product, an acknowledgment in the product documentation would be
+#    appreciated but is not required.
+# 2. Altered source versions must be plainly marked as such, and must not be
+#    misrepresented as being the original software.
+# 3. This notice may not be removed or altered from any source distribution.
+
+import re
+import codecs
+
+def parse(text):
+    stack = [[]]
+    state = 'list'
+    i = 0
+    line = 1
+    column = 0
+    while i < len(text):
+        c = text[i]
+        if c == '\n':
+            line += 1
+            column = 0
+        else:
+            column += 1
+
+        if state == 'list':
+            if c == '(':
+                stack.append([])
+            elif c == ')':
+                stack[-2].append(stack.pop())
+            elif c == "\"":
+                state = 'string'
+                atom = ""
+            elif c == ";":
+                state = 'comment'
+            elif c.isalpha():
+                state = 'symbol'
+                atom = c
+            elif c.isdigit():
+                state = 'number'
+                atom = c
+            elif c.isspace():
+                pass
+            else:
+                raise Exception("%d:%d: error: unexpected character: '%s'" % (line, column, c))
+
+        elif state == 'comment':
+            if c == '\n':
+                state = 'list'
+            else:
+                pass
+
+        elif state == 'string':
+            if c == "\\":
+                i += 1
+                atom += text[i]
+            elif c == "\"":
+                stack[-1].append(atom)
+                state = 'list'
+            else:
+                atom += c
+
+        elif state == 'number':
+            if not c.isdigit() or c != ".":
+                stack[-1].append(int(atom))
+                state = 'list'
+                i -= 1
+            else:
+                atom += c
+
+        elif state == 'symbol':
+            if c.isspace() or c == '(' or c == ')':
+                stack[-1].append(atom)
+                state = 'list'
+                i -= 1
+            else:
+                atom += c
+
+        # print c, stack
+
+        i += 1
+
+    if len(stack) == 1:
+        return stack[0]
+    else:
+        raise Exception("error: list not closed")
+
+if __name__ == "__main__":
+    print "parsing..."
+    result = parse(r'(() ("bar" foo) ()) () bar ')
+    print "1.", result
+    print "2.", parse(""";;comment
+    ("Hello World" 5 1 123) ("Hello" 123 123 "foobar") ;; comment""")
+    print "3.", parse(r'(8(8)8)')
+    print "4.", parse(r'')
+    print "5.", parse(r'  ')
+    with codecs.open("white.stf", encoding='utf-8') as fin:
+        print "6.", parse(fin.read())
+
+# EOF #