Rename software into modules. Add first version of source command, it handle git...

[tools/sat.git] / src / system.py

diff --git a/src/system.py b/src/system.py
index cc8a39fa84351d16ac91f0e7006787e81bcaf6e9..24c0f690e0450ee9f6ab840cf5702ffab96d8f6c 100644 (file)
--- a/src/system.py
+++ b/src/system.py
@@ -17,14 +17,17 @@
 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 
 '''
-In this file : all functions that do a system call, like open a browser or an editor, or call a git command
+In this file : all functions that do a system call, 
+like open a browser or an editor, or call a git command
 '''
 
-import sys
 import subprocess
+import os
+import tarfile
 
+from . import printcolors
 
-def show_in_editor(editor, filePath):
+def show_in_editor(editor, filePath, logger):
     '''open filePath using editor.
     
     :param editor str: The editor to use.
@@ -40,8 +43,41 @@ def show_in_editor(editor, filePath):
     try:
         # launch cmd using subprocess.Popen
         cmd = editor % filePath
+        logger.write('Launched command:\n' + cmd + '\n', 5)
         p = subprocess.Popen(cmd, shell=True)
         p.communicate()
     except:
-        sys.stderr.write("Unable to edit file %s\n" % filePath)
-    
\ No newline at end of file
+        logger.write(printcolors.printcError(_("Unable to edit file %s\n") 
+                                             % filePath), 1)
+
+##
+# Extracts sources from a git repository.
+def git_extract(from_what, tag, where, logger):
+    if not where.exists():
+        where.make()
+    if tag == "master" or tag == "HEAD":
+        command = "git clone %(remote)s %(where)s" % \
+                    { 'remote': from_what, 'tag': tag, 'where': str(where) }
+    else:
+        # NOTICE: this command only works with recent version of git
+        #         because --work-tree does not work with an absolute path
+        where_git = os.path.join( str(where), ".git" )
+        command = "rmdir %(where)s && git clone %(remote)s %(where)s && " + \
+                  "git --git-dir=%(where_git)s --work-tree=%(where)s checkout %(tag)s"
+        command = command % { 'remote': from_what, 'tag': tag, 'where': str(where), 'where_git': where_git }
+
+    logger.write(command + "\n", 5)
+
+    res = subprocess.call(command, cwd=str(where.dir()), shell=True,
+                          stdout=logger.logTxtFile, stderr=subprocess.STDOUT)
+    return (res == 0)
+
+def archive_extract(from_what, where, logger):
+    try:
+        archive = tarfile.open(from_what)
+        for i in archive.getmembers():
+            archive.extract(i, path=str(where))
+        return True, os.path.commonprefix(archive.getnames())
+    except Exception as exc:
+        logger.write("archive_extract: %s\n" % exc)
+        return False, None
\ No newline at end of file