Anonymous avatar Anonymous committed 42ce838

we need to be able to use these API to detect the real setuptools at bootstrap time

Comments (0)

Files changed (2)

         log.warn('Setuptools or Distribute does not seem to be installed.')
     ws = pkg_resources.working_set
-    setuptools_dist = ws.find(pkg_resources.Requirement.parse('setuptools'))
+    setuptools_dist = ws.find(pkg_resources.Requirement.parse('setuptools',
+                              replacement=False))
     if setuptools_dist is None:
         log.warn('No setuptools distribution found')
-    def resolve(self, requirements, env=None, installer=None):
+    def resolve(self, requirements, env=None, installer=None, replacement=True):
         """List all distributions needed to (recursively) meet `requirements`
         `requirements` must be a sequence of ``Requirement`` objects.  `env`,
         while requirements:
             req = requirements.pop(0)   # process dependencies breadth-first
-            if _override_setuptools(req):
+            if _override_setuptools(req) and replacement:
                 req = Requirement.parse('distribute')
             if req in processed:
     def __repr__(self): return "Requirement.parse(%r)" % str(self)
-    def parse(s):
+    def parse(s, replacement=True):
         reqs = list(parse_requirements(s))
         if reqs:
             if len(reqs) == 1:
                 # if asked for setuptools distribution
                 # and if distribute is installed, we want to give
                 # distribute instead
-                if _override_setuptools(founded_req):
+                if _override_setuptools(founded_req) and replacement:
                     distribute = list(parse_requirements('distribute'))
                     if len(distribute) == 1:
                         return distribute[0]
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