Clean up buildscripts

[lilypond.git] / python / aux / buildlib.py

diff --git a/python/aux/buildlib.py b/python/aux/buildlib.py
new file mode 100644 (file)
index 0000000..cd99586
--- /dev/null
+++ b/python/aux/buildlib.py
@@ -0,0 +1,42 @@
+#!@PYTHON@
+
+import subprocess
+import re
+import sys
+
+verbose = False
+
+def read_pipe (command):
+    child = subprocess.Popen (command,
+                              stdout = subprocess.PIPE,
+                              stderr = subprocess.PIPE,
+                              shell = True)
+    (output, error) = child.communicate ()
+    code = str (child.wait ())
+    if not child.stdout or child.stdout.close ():
+        print "pipe failed: %(command)s" % locals ()
+    if code != '0':
+        error = code + ' ' + error
+    return (output, error)
+
+revision_re = re.compile ('GIT [Cc]ommittish:\s+([a-f0-9]+)')
+vc_diff_cmd = 'git diff %(color_flag)s %(revision)s HEAD -- %(original)s | cat'
+
+def check_translated_doc (original, translated_file, translated_contents, color=False):
+    m = revision_re.search (translated_contents)
+    if not m:
+        sys.stderr.write ('error: ' + translated_file + \
+                          ": no 'GIT committish: <hash>' found.\nPlease check " + \
+                          'the whole file against the original in English, then ' + \
+                          'fill in HEAD committish in the header.\n')
+        sys.exit (1)
+    revision = m.group (1)
+
+    if color:
+        color_flag = '--color'
+    else:
+        color_flag = '--no-color'
+    c = vc_diff_cmd % vars ()
+    if verbose:
+        sys.stderr.write ('running: ' + c)
+    return read_pipe (c)