From fafe483991149607160325eb6ef572faa141acf2 Mon Sep 17 00:00:00 2001
From: Emilio Pozuelo Monfort <pochu@debian.org>
Date: Fri, 11 May 2018 15:22:31 +0200
Subject: Simplify Extends support

BugExtend.writeDB() is pretty similar to BugBase's, so
update the latter to take extends into account when
necessary to avoid unneeded duplicated code.
---
 lib/python/bugs.py | 64 +++++++++++++++++-------------------------------------
 1 file changed, 20 insertions(+), 44 deletions(-)

(limited to 'lib')

diff --git a/lib/python/bugs.py b/lib/python/bugs.py
index 5ec843b621..676f5f540f 100644
--- a/lib/python/bugs.py
+++ b/lib/python/bugs.py
@@ -201,6 +201,7 @@ class BugBase:
         self.notes = []
         self.xref = []
         self.not_for_us = False
+        self.is_extend = False
 
     def isFromCVE(self):
         """Returns True if the name has been officially assigned.
@@ -226,16 +227,18 @@ class BugBase:
             not_for_us = 0
 
         import apsw
-        try:
-            cursor.execute("""INSERT INTO bugs
-            (name, cve_status, not_for_us, description, release_date,
-             source_file, source_line)
-            VALUES (?, ?, ?, ?, ?, ?, ?)""",
-                           (self.name, self.cveStatus(), not_for_us,
-                            self.description, self.date or '',
-                            self.source_file, self.source_line))
-        except apsw.ConstraintError:
-            raise ValueError, "bug name %s is not unique" % self.name
+
+        if not self.is_extend:
+            try:
+                cursor.execute("""INSERT INTO bugs
+                (name, cve_status, not_for_us, description, release_date,
+                 source_file, source_line)
+                VALUES (?, ?, ?, ?, ?, ?, ?)""",
+                               (self.name, self.cveStatus(), not_for_us,
+                                self.description, self.date or '',
+                                self.source_file, self.source_line))
+            except apsw.ConstraintError:
+                raise ValueError, "bug name %s is not unique" % self.name
 
         for (typ, c) in self.comments:
             cursor.execute("""INSERT INTO bugs_notes
@@ -258,7 +261,7 @@ class Bug(BugBase):
     """Class for bugs for which we have some data."""
 
     def __init__(self, fname, lineno, date, name, description, comments, notes,
-                 xref, not_for_us=False):
+                 xref, not_for_us=False, is_extend=False):
         for n in notes:
             assert isinstance(n, PackageNote) \
                    or isinstance(n, PackageNoteNoDSA)
@@ -269,6 +272,7 @@ class Bug(BugBase):
         self.notes = notes
         self.xref = xref
         self.not_for_us = not_for_us
+        self.is_extend = is_extend
 
     def mergeNotes(self):
         """Merge notes so that there is only one note for each
@@ -300,28 +304,6 @@ class Bug(BugBase):
             nts.append(notes[key])
         self.notes = nts
 
-class BugExtend(Bug):
-    def writeDB(self, cursor):
-        """Writes the record to an SQLite3 database."""
-
-        for (typ, c) in self.comments:
-            cursor.execute("""INSERT INTO bugs_notes
-            (bug_name, typ, comment) VALUES (?, ?, ?)""",
-                           (self.name, typ, c))
-
-        for n in self.notes:
-            n.writeDB(cursor, self.name)
-
-        import apsw
-        for x in self.xref:
-            try:
-                cursor.execute("""INSERT INTO bugs_xref
-                (source, target) VALUES (?, ?)""",
-                               (self.name, x))
-            except apsw.ConstraintError:
-                raise ValueError, \
-                      "cross reference to %s appears multiple times" % x
-
 class BugFromDB(Bug):
     def __init__(self, cursor, name):
         assert type(name) in types.StringTypes
@@ -458,14 +440,12 @@ class FileBase(debian_support.PackageFile):
     re_rejected = re.compile(r'^(?:NOTE:\s+rejected|REJECTED)\s*$')
     re_note = re.compile(r'^NOTE:\s+(.*)$')
     re_todo = re.compile(r'^TODO:\s+(.*)$')
+    is_extend = False
 
     def __init__(self, name, fileObj=None):
         debian_support.PackageFile.__init__(self, name, fileObj)
         self.removed_packages = {}
 
-    def isExtend(self, name):
-        return False
-
     def isUniqueName(self, name):
         """Returns True if the name is a real, unique name."""
         return True
@@ -754,13 +734,10 @@ class FileBase(debian_support.PackageFile):
                         if first_bug:
                             break
                     record_name = temp_bug_name(first_bug, description)
-                if self.isExtend(record_name):
-                    cls = BugExtend
-                else:
-                    cls = Bug
-                yield self.finishBug(cls(self.file.name, first_lineno, date,
+                yield self.finishBug(Bug(self.file.name, first_lineno, date,
                                          record_name, description,
-                                         comments, notes=pkg_notes, xref=xref))
+                                         comments, notes=pkg_notes, xref=xref,
+                                         is_extend=self.is_extend))
 
     def finishBug(self, bug):
         """Applies a transformation to the bug after it has been
@@ -806,8 +783,7 @@ class CVEFile(FileBase):
 class CVECUSTOMERFile(CVEFile):
     re_cve = re.compile(r'^(CVE-\d{4}-(?:\d{4,}|XXXX)|TEMP-\d+-\S+)\s+(.*?)\s*$')
 
-    def isExtend(self, name):
-        return True
+    is_extend = True
 
 class DSAFile(FileBase):
     """A DSA file.
-- 
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