Write rights for all on cache file

.travis.yml

@@ -24,26 +24,19 @@ matrix:
         - bash miniconda.sh -b -p $HOME/miniconda
         - export PATH="$HOME/miniconda/bin:$PATH"
         - source $HOME/miniconda/bin/activate
-    - name: "Windows Python 3.6"
-      os: windows
-      env: PYTHON_VERSION=3.6 DEPS="typing"
+    - name: "Xenial Linux Python 3.8"
+      env: PYTHON_VERSION=3.8 DEPS=""
       before_install:
-        - choco install miniconda3
-        - . /c/tools/miniconda3/etc/profile.d/conda.sh
+        - wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
+        - bash miniconda.sh -b -p $HOME/miniconda
+        - export PATH="$HOME/miniconda/bin:$PATH"
+        - source $HOME/miniconda/bin/activate
     - name: "Windows Python 3.7"
       os: windows
       env: PYTHON_VERSION=3.7 DEPS=""
       before_install:
         - choco install miniconda3
         - . /c/tools/miniconda3/etc/profile.d/conda.sh
-    - name: "macOS Python 3.6"
-      os: osx
-      env: PYTHON_VERSION=3.6 DEPS="typing"
-      before_install:
-        - wget https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O ~/miniconda.sh
-        - bash ~/miniconda.sh -b -p $HOME/miniconda
-        - export PATH="$HOME/miniconda/bin:$PATH"
-        - source $HOME/miniconda/bin/activate
     - name: "macOS Python 3.7"
       os: osx
       env: PYTHON_VERSION=3.7 DEPS=""

jupyter_conda/handlers.py

@@ -10,6 +10,7 @@
 import logging
 import os
 import re
+import stat
 import sys
 import tempfile
 import traceback
@@ -348,8 +349,8 @@ def get(self):
                 with open(cache_file) as cache:
                     cache_data = cache.read()
             except OSError as e:
-                logger.warning(
-                    "[jupyter_conda] Fail to load available packages from cache {!s}.".format(
+                logger.info(
+                    "[jupyter_conda] No available packages list in cache {!s}.".format(
                         e
                     )
                 )
@@ -363,11 +364,16 @@ def update_available(
                     with open(cache_file, "w+") as cache:
                         json.dump(answer, cache)
                 except (ValueError, OSError) as e:
-                    logger.warning(
+                    logger.info(
                         "[jupyter_conda] Fail to cache available packages {!s}.".format(
                             e
                         )
                     )
+                else:
+                    # Change rights to ensure every body can update the cache
+                    os.chmod(
+                        cache_file, 
+                        stat.S_IMODE(os.stat(cache_file).st_mode) | (stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH))
                 PackagesHandler.__is_listing_available = False
 
                 if return_packages:

jupyter_conda/tests/test_api.py

@@ -480,7 +480,7 @@ def test_pkg_install_with_version_constraints(self):
         r = self.wait_for_task(
             self.conda_api.post,
             ["environments", n, "packages"],
-            body={"packages": [test_pkg + "==0.7.11"]},
+            body={"packages": [test_pkg + "==0.7.12"]},
         )
         self.assertEqual(r.status_code, 200)
         r = self.conda_api.get(["environments", n])
@@ -490,7 +490,7 @@ def test_pkg_install_with_version_constraints(self):
             if p["name"] == test_pkg:
                 v = p
                 break
-        self.assertEqual(v["version"], "0.7.11")
+        self.assertEqual(v["version"], "0.7.12")
 
         n = generate_name()
         self.wait_for_task(self.mk_env, n)
@@ -514,7 +514,7 @@ def test_pkg_install_with_version_constraints(self):
         r = self.wait_for_task(
             self.conda_api.post,
             ["environments", n, "packages"],
-            body={"packages": [test_pkg + ">=0.7.10,<0.7.12"]},
+            body={"packages": [test_pkg + ">=0.7.10,<0.7.13"]},
         )
         self.assertEqual(r.status_code, 200)
         r = self.conda_api.get(["environments", n])
@@ -525,7 +525,7 @@ def test_pkg_install_with_version_constraints(self):
                 v = tuple(map(int, p["version"].split(".")))
                 break
         self.assertGreaterEqual(v, (0, 7, 10))
-        self.assertLess(v, (0, 7, 12))
+        self.assertLess(v, (0, 7, 13))
 
     def test_package_install_development_mode(self):
         n = generate_name()