From 15ca906113b8cadc68bf9e2f491aed423dd16366 Mon Sep 17 00:00:00 2001
From: Richard Ipsum <richard.ipsum@codethink.co.uk>
Date: Thu, 6 Nov 2014 16:38:31 +0000
Subject: Store list of conflicts

---
 exts/pip.find_deps | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/exts/pip.find_deps b/exts/pip.find_deps
index 446b1a2..d11054b 100755
--- a/exts/pip.find_deps
+++ b/exts/pip.find_deps
@@ -79,6 +79,9 @@ class Dependency(object):
         self.absolute = None
         self.excludes = []
 
+        # A list of conclicting specs for this dependency
+        self.conflicts = []
+
     def is_unbounded(self):
         return self.less_than == None and self.greater_than == None
 
@@ -94,9 +97,9 @@ class Dependency(object):
 
     def get_bounds_conflict(self, version):
         if not self._in_less_than(version):
-            return '< %s' % str(self.less_than)
+            return ('<', str(self.less_than))
         elif not self._in_greater_than(version):
-            return '> %s' % str(self.greater_than)
+            return ('>', str(self.greater_than))
         else:
             return None
 
@@ -119,20 +122,27 @@ def check_eqs(dep, version):
                 warn('conflict! == %s conflicts with %s'
                       % (version,
                          dep.get_bounds_conflict(version)))
+                dep.conflicts.append((('==', version), 
+                                     dep.get_bounds_conflict(version)))
+
         else:
             warn('conflict! == %s conflicts with == %s'
                   % (version, dep.absolute))
+            dep.conflicts.append(('==', version), ('!=', dep.absolute))
     elif version in dep.excludes:
         warn('conflict! == %s conflicts with != %s'
              % (version, version))
+        dep.conflicts.append((('==', version), ('!=', version)))
     elif version > dep.less_than:
         # conflict
         warn('conflict! == %s conflicts with < %s'
               % (version, dep.less_than))
+        dep.conflicts.append((('==', version), ('<', dep.less_than)))
     elif version < dep.greater_than:
         # conflict
         warn('conflict! == %s conflicts with > %s'
               % (version, dep.greater_than))
+        dep.conflicts.append(('==', version), ('>', dep.greater_than))
 
 def check_lt(dep, version):
     if dep.is_unconstrained():
@@ -194,6 +204,7 @@ def find_build_deps(source, name, version=None):
 
                     print('dep.excludes: %s' % str(dep.excludes))
 
+                    # TODO: replace with function table
                     if op == '==':
                         check_eqs(dep, version)
                     elif op == '!=':
@@ -221,4 +232,5 @@ if len(sys.argv) not in [3, 4]:
 for name, dep in find_build_deps(*sys.argv[1:]).iteritems():
     print('%s less_than: %s greater_than: %s absolute: %s excludes: %s'
           % (name, str(dep.less_than), str(dep.greater_than),
-             str(dep.absolute), dep.excludes))
\ No newline at end of file
+             str(dep.absolute), dep.excludes))
+    print('conflicts: %s' % str(dep.conflicts))
\ No newline at end of file
-- 
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