Check outdated packages

test/test_outdated.py

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+"""
+Based on the work https://oerpli.github.io/post/2019/06/conda-outdated/.
+See copyright below.
+
+MIT License
+Copyright (c) 2019 Abraham Hinteregger
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+"""
+
+import re
+import subprocess
+from collections import defaultdict
+from itertools import chain
+import logging
+
+import pytest
+
+from tabulate import tabulate
+
+LOGGER = logging.getLogger(__name__)
+
+
+def get_versions(lines):
+    """Extract versions from the lines"""
+    ddict = defaultdict(set)
+    for line in lines.splitlines()[2:]:
+        pkg, version = re.match(r"^(\S+)\s+(\S+)", line, re.MULTILINE).groups()
+        ddict[pkg].add(version)
+    return ddict
+
+
+def semantic_cmp(version_string):
+    """Manage semantic versioning for comparison"""
+
+    def mysplit(string):
+        version_substrs = lambda x: re.findall(r"([A-z]+|\d+)", x)
+        return list(chain(map(version_substrs, string.split("."))))
+
+    def str_ord(string):
+        num = 0
+        for char in string:
+            num *= 255
+            num += ord(char)
+        return num
+
+    def try_int(version_str):
+        try:
+            return int(version_str)
+        except ValueError:
+            return str_ord(version_str)
+
+    mss = list(chain(*mysplit(version_string)))
+    return tuple(map(try_int, mss))
+
+
+def print_result(installed, result):
+    """Print the result of the outdated check"""
+    nb_packages = len(installed)
+    nb_updatable = len(result)
+    updatable_ratio = nb_updatable / nb_packages
+    LOGGER.info(
+        f"{nb_updatable} packages can be updated over {nb_packages} -> {updatable_ratio:.0%}"
+    )
+    LOGGER.info(f"\n{tabulate(result, headers='keys')}\n")
+
+
+@pytest.mark.info
+def test_outdated_packages(container):
+    """Getting the list of outdated packages"""
+    LOGGER.info(f"Checking outdated packages in {container.image_name} ...")
+    c = container.run(tty=True, command=["start.sh", "bash", "-c", "sleep infinity"])
+    sp_i = c.exec_run(["conda", "list"])
+    sp_v = c.exec_run(["conda", "search", "--outdated"])
+    installed = get_versions(sp_i.output.decode("utf-8"))
+    available = get_versions(sp_v.output.decode("utf-8"))
+    result = list()
+    for pkg, inst_vs in installed.items():
+        avail_vs = sorted(list(available[pkg]), key=semantic_cmp)
+        if not avail_vs:
+            continue
+        current = min(inst_vs, key=semantic_cmp)
+        newest = avail_vs[-1]
+        if avail_vs and current != newest:
+            if semantic_cmp(current) < semantic_cmp(newest):
+                result.append({"Package": pkg, "Current": current, "Newest": newest})
+    print_result(installed, result)