add additional pip args; set env var to disable pip env isolation

conda · Jul 15, 2018 · 25b6a85 · 25b6a85
1 parent 575c026
commit 25b6a85
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Showing 3 changed files with 11 additions and 2 deletions.
diff --git a/conda_build/build.py b/conda_build/build.py
@@ -1398,6 +1398,10 @@ def build(m, stats, post=None, need_source_download=True, need_reparse_in_env=Fa
                         env = environ.get_dict(m=m)
                     env["CONDA_BUILD_STATE"] = "BUILD"
 
+                    # hard-code this because we never want pip's build isolation
+                    #    https://github.com/conda/conda-build/pull/2972#discussion_r198290241
+                    env["PIP_NO_BUILD_ISOLATION"] = False
+
                     work_file = join(m.config.work_dir, 'conda_build.sh')
                     with open(work_file, 'w') as bf:
                         for k, v in env.items():

diff --git a/conda_build/skeletons/pypi.py b/conda_build/skeletons/pypi.py
@@ -310,7 +310,8 @@ def skeletonize(packages, output_dir=".", version=None, recursive=False,
             if noarch_python:
                 ordered_recipe['build']['noarch'] = 'python'
 
-            ordered_recipe['build']['script'] = 'python -m pip install . --no-deps --ignore-installed'
+            ordered_recipe['build']['script'] = ('python -m pip install . --no-deps '
+                                                 '--ignore-installed --no-cache-dir -vvv')
 
             # Always require python as a dependency
             ordered_recipe['requirements'] = ruamel_yaml.comments.CommentedMap()
@@ -559,7 +560,7 @@ def get_download_data(pypi_data, package, version, is_url, all_urls, noprompt, m
         pypiurl = url['url']
         print("Using url %s (%s) for %s." % (pypiurl,
             human_bytes(url['size'] or 0), package))
-        
+
         if url['digests']['sha256']:
             digest = ('sha256', url['digests']['sha256'])
         else:

diff --git a/conda_build/windows.py b/conda_build/windows.py
@@ -263,6 +263,10 @@ def build(m, bld_bat, stats):
             env = environ.get_dict(m=m)
     env["CONDA_BUILD_STATE"] = "BUILD"
 
+    # hard-code this because we never want pip's build isolation
+    #    https://github.com/conda/conda-build/pull/2972#discussion_r198290241
+    env["PIP_NO_BUILD_ISOLATION"] = False
+
     # set variables like CONDA_PY in the test environment
     env.update(set_language_env_vars(m.config.variant))