trailing spaces

[tests.git] / system / utils.py

diff --git a/system/utils.py b/system/utils.py
index 971ff52..55a990c 100644 (file)
--- a/system/utils.py
+++ b/system/utils.py
@@ -1,7 +1,97 @@
-# $Id$
+# -*- python3 -*-
+# Thierry Parmentelat <thierry.parmentelat@inria.fr>
+# Copyright (C) 2015 INRIA 
+#
+import sys
 import time
+import os
+import re
+import glob
+import subprocess
+from pprint import PrettyPrinter
+
+options={}
+
+def init_options(options_arg):
+    global options
+    options = options_arg
 
 # how could this accept a list again ?
 def header(message):
-    now=time.strftime("%H:%M:%S", time.localtime())
-    print "*",now,'--',message
+    now = time.strftime("%H:%M:%S", time.localtime())
+    print("*", now, '--', message)
+
+def pprint(message, spec, depth=2):
+    now = time.strftime("%H:%M:%S", time.localtime())
+    print(">", now, "--", message)
+    PrettyPrinter(indent=8, depth=depth).pprint(spec)
+
+
+# set a default timeout to 15 minutes - this should be plenty even for installations
+# call with timeout=None if the intention really is to wait until full completion
+def system(command, background=False, silent=False, dry_run=None, timeout=15*60):
+    dry_run = dry_run if dry_run is not None else getattr(options, 'dry_run', False)
+    if dry_run:
+        print('dry_run:', command)
+        return 0
+    
+    if silent :    
+        if command.find(';') >= 0:
+            command = "({}) 2> /dev/null".format(command)
+        else: command += " 2> /dev/null"
+    if background:
+        command += " &"
+    if silent:
+        print('.', end=' ')
+        sys.stdout.flush()
+    else:
+        now = time.strftime("%H:%M:%S", time.localtime())
+        # don't show in summary
+        print("->", now, '--', end=' ')
+        sys.stdout.flush()
+    if not silent:
+        command = "set -x; " + command
+    try:
+        return subprocess.call(command, shell=True, timeout=timeout)
+    except subprocess.TimeoutExpired as e:
+        header("TIMEOUT when running command {}- {}".format(command, e))
+        return -1
+
+### WARNING : this ALWAYS does its job, even in dry_run mode
+def output_of (command):
+    import subprocess
+    (code, string) = subprocess.getstatusoutput(command)
+    return (code, string)
+
+
+# convenience: translating shell-like pattern into regexp
+def match (string, pattern):
+    # tmp - there's probably much simpler
+    # rewrite * into .*, ? into .
+    pattern = pattern.replace("*",".*")
+    pattern = pattern.replace("?",".")
+    return re.compile(pattern).match(string)
+    
+def locate_hooks_scripts (message, path, extensions):
+    print(message, 'searching', path, 'for extensions', extensions)
+    scripts = []
+    for ext in extensions:
+        # skip helper programs
+        scripts += glob.glob (path+'/[a-zA-Z]*.' + ext)
+    return scripts
+    
+# quick & dirty - should probably use the parseroption object instead
+# and move to TestMain as well
+exclude_options_keys = [ 'ensure_value' , 'read_file', 'read_module' ]
+def show_options (message, options):
+    now = time.strftime("%H:%M:%S", time.localtime())
+    print(">", now, "--", message)
+    for k in dir(options):
+        if k.find("_") == 0:
+            continue
+        if k in exclude_options_keys:
+            continue
+        print("    ", k, ":", getattr(options, k))
+
+
+