better message when an error occurs

_unittests/ut_install/test_regex.py

@@ -0,0 +1,69 @@
+"""
+@brief      test log(time=20s)
+"""
+
+import sys
+import os
+import unittest
+import re
+
+try:
+    import src
+except ImportError:
+    path = os.path.normpath(
+        os.path.abspath(
+            os.path.join(
+                os.path.split(__file__)[0],
+                "..",
+                "..")))
+    if path not in sys.path:
+        sys.path.append(path)
+    import src
+
+try:
+    import pyquickhelper
+except ImportError:
+    path = os.path.normpath(
+        os.path.abspath(
+            os.path.join(
+                os.path.split(__file__)[0],
+                "..",
+                "..",
+                "..",
+                "pyquickhelper",
+                "src")))
+    if path not in sys.path:
+        sys.path.append(path)
+    if "PYQUICKHELPER" in os.environ and len(os.environ["PYQUICKHELPER"]) > 0:
+        sys.path.append(os.environ["PYQUICKHELPER"])
+    import pyquickhelper
+
+
+from src.pymyinstall.installhelper.module_install import ModuleInstall
+from pyquickhelper import fLOG
+
+
+class TestRegex (unittest.TestCase):
+
+    def test_1(self):
+        fLOG(
+            __file__,
+            self._testMethodName,
+            OutputPrint=__name__ == "__main__")
+
+        pattern = 'onclick=.javascript:dl[(]([,\[\]0-9]+) *, *.([0-9&;@?=:A-Zgtl]+).[)].' + \
+                  ' title(.+)?.>(.+?-((cp34)|(py3)|(py2[.]py3)|(py33[.]py34))-none-((win_amd64)|(any)).whl)</a>'
+        raw = """<li><a id='networkx'></a><strong><a href='http://networkx.lanl.gov/'>NetworkX</a></strong>, a package for complex networks.
+                <ul>
+                <li><a href='javascript:;' onclick='javascript:dl([97,46,45,116,111,57,50,114,101,112,120,49,53,104,51,107,121,106,119,110,55,108,47], "7D34&lt;?&gt;AFC83B47?:2;151;29@619@&gt;2C4C820C@1B=E")' title='[1.2&#160;MB] [Dec 24, 2014]'>networkx&#8209;1.9.1&#8209;py2.py3&#8209;none&#8209;any.whl</a></li>
+                </ul>""".replace("&#8209;", "-")
+        reg = re.compile(pattern)
+        r = reg.search(raw)
+        if r:
+            fLOG(r.groups())
+        else:
+            assert False
+
+
+if __name__ == "__main__":
+    unittest.main()

src/pymyinstall/installhelper/module_install.py

@@ -216,11 +216,15 @@ def get_exewheel_url_link(self, file_save=None, wheel=False):
             if file_save is not None:
                 with open(file_save, "w", encoding="utf8") as f:
                     f.write(page)
+            keep = []
+            for line in page.split("\n"):
+                if "networkx" in line:
+                    keep.append(line)
             raise Exception(
                 "module " +
                 self.name +
                 ", unable to find regex with pattern: " +
-                pattern)
+                pattern + "\nexample:\n" + "\n".join(keep))
 
         if ind == -1:
             ind = len(alls[0]) - 1

src/pymyinstall/packaged/packaged_config.py

@@ -269,7 +269,7 @@ def complete_installation():
         ModuleInstall("scs", "wheel"),
         ModuleInstall("cvxpy", "wheel"),
         ModuleInstall("blist", "wheel"),  # better large list
-        ModuleInstall("conda", "wheel"),  # to install packages with conda
+        ModuleInstall("conda", "pip"),  # to install packages with conda
         ModuleInstall("libLAS", "wheel", mname="liblas"),
         ModuleInstall("liblinear", "wheel"),
         ModuleInstall("marisa_trie", "wheel"),