moved clever slash middleware & unused.py

1 files changed, 132 insertions, 0 deletions

diff --git a/core/unused.py b/core/unused.py
new file mode 100644
index 0000000..e26a212
--- /dev/null
+++ b/core/unused.py
@@ -0,0 +1,132 @@
+import sys
+import random
+import re
+import logging
+
+from django.conf import settings
+from django.shortcuts import render
+
+"""Oddball mixture of critical, superfluous and useful functions which should 
+be re-located more sensibly to other modules:
+
+
+various HTML/wiki functions presumably for logbooks?
+
+Use unknown:
+weighted_choice(lst)
+randomLogbookSentence()
+"""
+
+
+def weighted_choice(lst):
+    n = random.uniform(0,1)
+    for item, weight in lst:
+        if n < weight:
+            break
+        n = n - weight
+    return item
+
+def randomLogbookSentence():
+    from troggle.core.models import LogbookEntry
+    randSent={}
+
+    # needs to handle empty logbooks without crashing
+
+    #Choose a random logbook entry
+    randSent['entry']=LogbookEntry.objects.order_by('?')[0]
+
+    #Choose again if there are no sentances (this happens if it is a placeholder entry)
+    while len(re.findall('[A-Z].*?\.',randSent['entry'].text))==0:
+        randSent['entry']=LogbookEntry.objects.order_by('?')[0]
+    
+    #Choose a random sentence from that entry. Store the sentence as randSent['sentence'], and the number of that sentence in the entry as randSent['number']
+    sentenceList=re.findall('[A-Z].*?\.',randSent['entry'].text)
+    randSent['number']=random.randrange(0,len(sentenceList))
+    randSent['sentence']=sentenceList[randSent['number']]
+           
+    return randSent
+
+   
+re_body = re.compile(r"\<body[^>]*\>(.*)\</body\>", re.DOTALL)
+re_title = re.compile(r"\<title[^>]*\>(.*)\</title\>", re.DOTALL)
+
+def get_html_body(text):
+    return get_single_match(re_body, text)
+
+def get_html_title(text):
+    return get_single_match(re_title, text)
+
+def get_single_match(regex, text):
+    match = regex.search(text)
+
+    if match:
+        return match.groups()[0]
+    else:
+        return None
+
+re_subs = [(re.compile(r"\<b[^>]*\>(.*?)\</b\>", re.DOTALL), r"'''\1'''"),
+           (re.compile(r"\<i\>(.*?)\</i\>", re.DOTALL), r"''\1''"),
+           (re.compile(r"\<h1[^>]*\>(.*?)\</h1\>", re.DOTALL), r"=\1="),
+           (re.compile(r"\<h2[^>]*\>(.*?)\</h2\>", re.DOTALL), r"==\1=="),
+           (re.compile(r"\<h3[^>]*\>(.*?)\</h3\>", re.DOTALL), r"===\1==="),
+           (re.compile(r"\<h4[^>]*\>(.*?)\</h4\>", re.DOTALL), r"====\1===="),
+           (re.compile(r"\<h5[^>]*\>(.*?)\</h5\>", re.DOTALL), r"=====\1====="),
+           (re.compile(r"\<h6[^>]*\>(.*?)\</h6\>", re.DOTALL), r"======\1======"),
+           (re.compile(r'(<a href="?(?P<target>.*)"?>)?<img class="?(?P<class>\w*)"? src="?t/?(?P<source>[\w/\.]*)"?(?P<rest>></img>|\s/>(</a>)?)', re.DOTALL),r'[[display:\g<class> photo:\g<source>]]'), #
+           (re.compile(r"\<a\s+id=['\"]([^'\"]*)['\"]\s*\>(.*?)\</a\>", re.DOTALL), r"[[subcave:\1|\2]]"), #assumes that all links with id attributes are subcaves. Not great.
+           #interpage link needed
+           (re.compile(r"\<a\s+href=['\"]#([^'\"]*)['\"]\s*\>(.*?)\</a\>", re.DOTALL), r"[[cavedescription:\1|\2]]"), #assumes that all links with target ids are cave descriptions. Not great.
+           (re.compile(r"\[\<a\s+href=['\"][^'\"]*['\"]\s+id=['\"][^'\"]*['\"]\s*\>([^\s]*).*?\</a\>\]", re.DOTALL), r"[[qm:\1]]"),
+#           (re.compile(r'<a\shref="?(?P<target>.*)"?>(?P<text>.*)</a>'),href_to_wikilinks),
+           ]
+
+def html_to_wiki(text, codec = "utf-8"):
+    if isinstance(text, str):
+        text = str(text, codec)
+    text = re.sub("</p>", r"", text)
+    text = re.sub("<p>$", r"", text)
+    text = re.sub("<p>", r"\n\n", text)
+    out = ""
+    lists = ""
+    #lists
+    while text:
+        mstar = re.match("^(.*?)<ul[^>]*>\s*<li[^>]*>(.*?)</li>(.*)$", text, re.DOTALL)
+        munstar = re.match("^(\s*)</ul>(.*)$", text, re.DOTALL)
+        mhash = re.match("^(.*?)<ol[^>]*>\s*<li[^>]*>(.*?)</li>(.*)$", text, re.DOTALL)
+        munhash = re.match("^(\s*)</ol>(.*)$", text, re.DOTALL)
+        mitem = re.match("^(\s*)<li[^>]*>(.*?)</li>(.*)$", text, re.DOTALL)
+        ms = [len(m.groups()[0]) for m in [mstar, munstar, mhash, munhash, mitem] if m]
+        def min_(i, l):
+            try:
+                v = i.groups()[0]
+                l.remove(len(v))
+                return len(v) < min(l, 1000000000)
+            except:
+                return False
+        if min_(mstar, ms):
+            lists += "*"
+            pre, val, post = mstar.groups()
+            out += pre + "\n" + lists + " " + val
+            text = post
+        elif min_(mhash, ms):
+            lists += "#"
+            pre, val, post = mhash.groups()
+            out += pre + "\n" + lists + " " + val
+            text = post
+        elif min_(mitem, ms):
+            pre, val, post = mitem.groups()
+            out += "\n" + lists + " " + val
+            text = post
+        elif min_(munstar, ms):
+            lists = lists[:-1]
+            text = munstar.groups()[1]
+        elif min_(munhash, ms):
+            lists.pop()
+            text = munhash.groups()[1]
+        else:
+            out += text
+            text = ""
+    #substitutions
+    for regex, repl in re_subs:
+        out = regex.sub(repl, out)
+    return out
\ No newline at end of file