begun to do fields, blue

core/views/cave_kataster.py

@@ -1,3 +1,4 @@
+import re
 from pathlib import Path
 
 import django.forms as forms
@@ -23,21 +24,20 @@ is 'katastered', ie.e moves from an informal number, such as
 """
 
 def kataster(request, slug):
-    if cave := get_cave_from_slug(slug.lower()):
+    """Create the page which analyses how to rename a cave and all the files from the unofficial_number
-        pass
+    identifier, e.g. 1623-2023-mg-03 to the kataster number e.g. 1623-999
-    elif cave := get_cave_from_slug(slug.upper()):
+    """
-        pass
+    def do_file_finding():
-    else:
-        return HttpResponseRedirect("/caves")   
         
-    knum = 9999
+        global cavefilename, cave_data, entrance_data, loser_name, loser_data
-    filename = str(cave) + ".html"
         
-    cave_data = Path( "cave_data", filename  )
+        cavefilename = str(cave) + ".html"
-    if not (settings.EXPOWEB / cave_data).is_file:
+        
+        cave_data = Path( "cave_data", cavefilename  )
+        if not (settings.CAVEDESCRIPTIONS / cavefilename).is_file: # settings.EXPOWEB / cave_data
             cave_data = "does not exist"
 
-    ent_dir = settings.EXPOWEB / "entrance_data"
+        ent_dir = settings.ENTRANCEDESCRIPTIONS # settings.EXPOWEB / "entrance_data"
 
         entrance_data = []
         for ent in ent_dir.iterdir():
@@ -54,6 +54,35 @@ def kataster(request, slug):
                 print(svx)
                 loser_data.append(Path(loser_dir , svx).name)    
                 
+
+
+    if cave := get_cave_from_slug(slug.lower()):
+        pass
+    elif cave := get_cave_from_slug(slug.upper()):
+        pass
+    else:
+        return HttpResponseRedirect("/caves")   
+
+    knum = 9999
+    do_file_finding()
+
+    try:
+        # this is a python generator idiom.
+        # see https://realpython.com/introduction-to-python-generators/
+        with open(settings.CAVEDESCRIPTIONS / cavefilename, 'r') as f:
+            for line in f: 
+                if match := re.search(r'<entranceslug>(.*?)</entranceslug>', line):
+                    entrance = match.group(1)
+                    print(entrance)
+               
+    except PermissionError as e:
+        msg=f"CANNOT  save this file.\nPERMISSIONS incorrectly set on server for this file {filepath}. Ask a nerd to fix this: {e}"
+        print(msg)
+        raise
+    except Exception as e:
+        msg=f"CANNOT  write this file {filepath}. Ask a nerd to fix this: {e}"
+        print(msg)
+
     if request.method == "POST":  # If the form has been submitted...
         form = KatasterForm(request.POST)  # A form bound to the POST data
         if form.is_valid(): 

parsers/caves.py

@@ -379,6 +379,9 @@ def getXML(text, itemname, minItems=1, maxItems=None, context=""):
     
     This always succeeds, but it produces error message on the terminal and in the
     DataIssues log.
+    
+    Yes this is using the python2 style of string expansion and not f-expressions. 
+    Sorry. This is very old.
     """
     items = re.findall("<%(itemname)s>(.*?)</%(itemname)s>" % {"itemname": itemname}, text, re.S)
     if len(items) < minItems:

templates/cave_kataster.html

@@ -29,7 +29,12 @@ This cave needs to be "katastered". If you have the new number issued by the Aus
 
 <h3>Rename the .html files in <var>expoweb</var></h3>
 <div style="font-family: monospace; font-weight: bold;">
-{{cave_data|safe}}
+{{cave_data|safe}}<br />
+&nbsp;&nbsp;&nbsp;<span style="color:grey">&lt;kataster_number&gt;</span><span style="color:grey">&lt;/kataster_number&gt;</span> 
+<br />
+&nbsp;&nbsp;&nbsp;
+&rarr;
+<span style="color:grey">&lt;kataster_number&gt;</span><span style="color:blue">{{knum}}</span><span style="color:grey">&lt;/kataster_number&gt;</span> 
 <p>
 {% for e in entrance_data %}
 {{e|safe}}</br />
@@ -46,7 +51,7 @@ This cave needs to be "katastered". If you have the new number issued by the Aus
 <h3>Rename the cave description directory in <var>expoweb</var></h3>
 <ul style="list-style: disc">
 <li> Edit all the '<samp>href=</samp>' <small>URLS</small> (if they exist) inside all the <samp>cave_data</samp> and <samp>entrance_data</samp> files descriptive text to refer to the new directory
-<li> Rename the directory (if it exists) inside the areacode directory, e.g. rename <samp>/{{cave.areacode}}/{{cave.unofficial_number}}/</samp> as <samp>/{{cave.areacode}}/{{knum}}/</samp> (if {{knum}} is the correct new kataster number). Do this last.
+<li> Rename the directory (if it exists) inside the areacode directory, e.g. rename <samp>/{{cave.areacode}}/{{cave.unofficial_number}}/</samp> as <samp>/{{cave.areacode}}/<span style="color:blue">{{knum}}</span>/</samp> (if <span style="color:blue">{{knum}}</span> is the correct new kataster number). Do this last.
 </ul>
 
 
@@ -60,40 +65,46 @@ This cave needs to be "katastered". If you have the new number issued by the Aus
 </div>
 <ul style="list-style: disc">
 <li> Find the survex files for this cave and edit the <samp>*include</samp> inside the survex files to use the new kataster number
-<li> find and edit the '*_station' tags in each entrance_data file and in the fixed points files in the loser repo.
+<li> find and edit the <samp>'*_station'</samp> tags in each <samp>entrance_data</samp> file and in the fixed points files in the loser repo.
 <li> Rename the survex files
-<li> Run <samp>'cavern caves-{{cave.areacode |safe}}/{{knum}}/{{knum}}.svx'</samp> and check it all works as you hope
+<li> Run <samp>'cavern caves-{{cave.areacode |safe}}/<span style="color:blue">{{knum}}/{{knum}}.svx</span>'</samp> and check it all works as you hope
 <li> Run <samp>'cavern caves-{{cave.areacode |safe}}/caves.svx' </samp>  and check it all works as you hope
 </ul>
 
 
 <h3>Sort out the *fix point(s) in both <var>loser</var> and in <var>expoweb</var></h3>
 <ul style="list-style: disc">
-<li> Find the *fix point for each entrance (one or more in each <samp>entrance_data</samp> file) in <var>expoweb</var>
+<li> Find the *fix point for each entrance (one or more in each <samp>entrance_data</samp> file) in <var>expoweb</var>. There are three fields where there might be a *fix value: <samp>'tag_station', 'exact_station'</samp> and <samp>'other_station'</samp>
+
 <li> Change the name of each *fix point in the relevant survex file in  <var>loser</var> 
 <li> Make the same name change(s) in each entrance file (in each <samp>entrance_data</samp> file) in <var>expoweb</var>
 </ul>
+<p>Without fully parsing the entire survex *include tree (which this code does not do), it is impossible to find the *fix declaration file from the <samp>'station'</samp> fields in the entrance_data files. However in area 1623 we conventionally store the *fix in a "known" place. This does not work for area 1626.
 
 <h3>Set the historic alias forwarder  in <var>expoweb</var></h3>
 <ul style="list-style: disc">
-<li> Add the line <br /><samp>("{{cave.slug|safe}}", "{{cave.areacode |safe}}-{{knum}}"),</samp></br /> to the end 
+<li> Add the line <br /><samp>("{{cave.slug|safe}}", "<span style="color:blue">{{cave.areacode |safe}}-{{knum}}</span>"),</samp></br /> to the end 
 of the file <var><a href="/cave_data/cavealiases.txt_edit">cave_data/cavealiases.txt</a></var> (don't forget the  comma at the end of the line)
 </ul>
+<p>This will cause lost of errors until the cave <samp>"<span style="color:blue">{{cave.areacode |safe}}-{{knum}}</span>"</samp> has been created by a full database reset.
+<!--or by editing & saving the cave description page <a href="/{{cave.areacode |safe}}/{{knum}}">/{{cave.areacode |safe}}/{{knum}}</a> after renaming. (Editing a cave description page regenerates some of the internal indices.)
+-->
+
 <h3>Finally</h3>
 <ul style="list-style: disc">
 <li><samp>cd loser<br />
 git add *<br />
-git commit -m 'Katastering  {{cave.slug|safe}} to {{cave.areacode |safe}}-{{knum}}'<br />
+git commit -m 'Katastering  {{cave.slug|safe}} to <span style="color:blue">{{cave.areacode |safe}}-{{knum}}</span>'<br />
 git pull<br />
 git push<br />
 cd ../expoweb<br />
 git add *<br />
-git commit -m 'Katastering  {{cave.slug|safe}} to {{cave.areacode |safe}}-{{knum}}'<br />
+git commit -m 'Katastering  {{cave.slug|safe}} to <span style="color:blue">{{cave.areacode |safe}}-{{knum}}</span>'<br />
 git pull<br />
 git push<br />
 </samp>
 <li>It is then vital to do a complete databaseReset as troggle has internally indexed all those {{cave.slug}} files, the indexes are now out of date and horrible things will happen when people try to use troggle with any cave that has been altered:<br />
-<samp>uv run databaseReset reset K{{knum}}</samp>
+<samp>uv run databaseReset reset <span style="color:blue">K{{knum}}</span></samp>
 <li>Look in the reset import warnings and errors report to see if anything has gone wrong:
 <var><a href="http://expo.survex.com/dataissues">expo.survex.com/dataissues</a></var><br />
 (in fact, look at this before you do any of this, so you can see what chnages.)