feat: having the possibility to define a custom path for .sdichecker

Author: pmauduit

README.md

@@ -25,7 +25,7 @@ optional arguments:
                         space-separated list of geoserver hostname to check in
                         CSW mode with inspire strict option activated. Ex:
                         sdi.georchestra.org
-  --check-layers        check WMS/WFS layer validity by performing sample WMS 
+  --check-layers        check WMS/WFS layer validity by performing sample WMS
                         GetMap or WFS GetFeature requests
   --disable-ssl-verification
                         Disable certificate verification
@@ -60,7 +60,9 @@ python3 checker.py --mode WMS --server https://www.geopicardie.fr/geoserver/wms
 ```
 
 
-In case a private service is to be checked, you should first create a `.sdichecker` in your home directory, with the following format:
+In case a private service is to be checked, you should first create a `.sdichecker`
+in your home directory, or define a `SDICHECKER_CREDS_PATH` environment variable,
+pointing to a file having the following format:
 ```
 <hostname> <username> <password>
 ```

sdi-consistence-check/credentials.py

@@ -8,11 +8,14 @@ def __init__(self, logger=None):
         Loads the credentials file, which consists of a text file
         formatted with "hostname username password" and whose default location is set to
         ~/.sdichecker.
+
+        The file path can also be defined using the SDICHECKER_CREDS_PATH environment variable.
         """
         self._credentials = {}
 
         try:
-            with open(os.getenv("HOME") + "/.sdichecker") as file:
+            pwfile = os.getenv("SDICHECKER_CREDS_PATH") or os.getenv("HOME") + "/.sdichecker"
+            with open(pwfile) as file:
                 for line in file:
                     try:
                         (hostname, user, password) = line.rstrip("\n").split(" ", 3)
@@ -21,7 +24,7 @@ def __init__(self, logger=None):
                         pass
         except FileNotFoundError:
             if logger is not None:
-                logger.info("No ~/.sdichecker file found, skipping credentials definition.")
+                logger.info("No sdichecker credentials file found, skipping credentials definition.")
             pass
 
     def add(self, site, username, password):
@@ -39,4 +42,4 @@ def get(self, site):
 
     def getFromUrl(self, url):
         u = urlparse(url)
-        return self.get(u.hostname)
+        return self.get(u.hostname)