Fixing daily URL breakage (issue #1).

As builds can come from different tinderboxes, adding an additional request and HTML parsing with xpath a final URL is less dependent on hardcoded strings.

loaih/__init__.py

@@ -2,15 +2,17 @@
 # encoding: utf-8
 
 import urllib.request
+import datetime
 from lxml import etree
 from packaging.version import parse as parse_version
-import datetime
 
-class Definitions(object):
+class Definitions():
+    """Definitions for the module."""
+
     DOWNLOADPAGE = "https://www.libreoffice.org/download/download/"
     ARCHIVE = "https://downloadarchive.documentfoundation.org/libreoffice/old/"
     RELEASE = "https://download.documentfoundation.org/libreoffice/stable/"
-    DAILY = "https://dev-builds.libreoffice.org/daily/master/Linux-rpm_deb-x86_64@tb87-TDF/"
+    DAILY = "https://dev-builds.libreoffice.org/daily/master/"
     PRERELEASE = "https://dev-builds.libreoffice.org/pre-releases/deb/x86_64/"
 
     SELECTORS = {
@@ -32,7 +34,8 @@ class Definitions(object):
         }
     }
 
-class Base(object):
+class Base():
+    """Contains methods that might be useful outside class."""
     # Class for static methods which might be useful even outside the build
     # scripts.
 
@@ -43,15 +46,29 @@ class Base(object):
         # x86 versions that it isn't really provided.
         # As such, the return value must be a dictionary
 
+        # Fixing daily selector
+        # As seen, the number of the tinderbox building the daily version can
+        # change. We try to fulfill the void by adding a step.
+        tinderboxpage = etree.HTML(urllib.request.urlopen(Definitions.DAILY).read())
+        tburl = tinderboxpage.xpath(
+            "//td/a[starts-with(text(), 'Linux-rpm_deb-x86') and contains(text(), 'TDF/')]/text()"
+        )[0]
+        daily_selector = f"{Definitions.DAILY}{tburl}"
+
         # Get the anchor for today's builds
-        a = etree.HTML(urllib.request.urlopen(Definitions.DAILY).read()).xpath("//td/a[contains(text(), '" + date.strftime('%Y-%m-%d') + "')]/text()")
-        if len(a) == 0:
+        raw_page = etree.HTML(urllib.request.urlopen(daily_selector).read())
+
+
+        results = raw_page.xpath(
+            f"""//td/a[contains(text(), "{date.strftime('%Y-%m-%d')}")]/text()"""
+        )
+        if len(results) == 0:
             # No results found, no version found, let's return a
             return { 'x86': '-', 'x86_64': '-' }
 
         # On the contrary, more than a version is found. let's order the
         # list and get the latest item
-        return { 'x86': '-', 'x86_64': Definitions.SELECTORS['daily']['URL'] + sorted(a)[-1] }
+        return { 'x86': '-', 'x86_64': f"{daily_selector}{sorted(results)[-1]}" }
 
     @staticmethod
     def dailyver(date = datetime.datetime.today()):