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authorGuido van Rossum <guido@python.org>1994-08-19 15:02:57 (GMT)
committerGuido van Rossum <guido@python.org>1994-08-19 15:02:57 (GMT)
commit9af22a037fc961b51651324bdd17a43567a688fd (patch)
tree4ba9cca45eff8e866ee8fba3dadc89f2b68bc1e2 /Tools/scripts
parent72824bab44e8027d67325df94bfa0673c69999fb (diff)
downloadcpython-9af22a037fc961b51651324bdd17a43567a688fd.zip
cpython-9af22a037fc961b51651324bdd17a43567a688fd.tar.gz
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newslist.py: Added search for .newslistrc.py;
pindent.py: use /usr/local/bin/python; pathfix.py: new script to fix #! lines in a group of scripts.
Diffstat (limited to 'Tools/scripts')
-rwxr-xr-xTools/scripts/pathfix.py150
-rwxr-xr-xTools/scripts/pindent.py2
2 files changed, 151 insertions, 1 deletions
diff --git a/Tools/scripts/pathfix.py b/Tools/scripts/pathfix.py
new file mode 100755
index 0000000..b80ce7e
--- /dev/null
+++ b/Tools/scripts/pathfix.py
@@ -0,0 +1,150 @@
+#! /usr/local/bin/python
+
+# Change the #! line occurring in Python scripts. The new interpreter
+# pathname must be given with a -i option.
+#
+# Command line arguments are files or directories to be processed.
+# Directories are searched recursively for files whose name looks
+# like a python module.
+# Symbolic links are always ignored (except as explicit directory
+# arguments). Of course, the original file is kept as a back-up
+# (with a "~" attached to its name).
+#
+# Undoubtedly you can do this using find and sed or perl, but this is
+# a nice example of Python code that recurses down a directory tree
+# and uses regular expressions. Also note several subtleties like
+# preserving the file's mode and avoiding to even write a temp file
+# when no changes are needed for a file.
+#
+# NB: by changing only the function fixfile() you can turn this
+# into a program for a different change to Python programs...
+
+import sys
+import regex
+import os
+from stat import *
+import string
+import getopt
+
+err = sys.stderr.write
+dbg = err
+rep = sys.stdout.write
+
+new_interpreter = None
+
+def main():
+ global new_interpreter
+ usage = ('usage: %s -i /interpreter file-or-directory ...\n' %
+ sys.argv[0])
+ try:
+ opts, args = getopt.getopt(sys.argv[1:], 'i:')
+ except getopt.error, msg:
+ err(msg + '\n')
+ err(usage)
+ sys.exit(2)
+ for o, a in opts:
+ if o == '-i':
+ new_interpreter = a
+ if not new_interpreter or new_interpreter[0] != '/' or not args:
+ err('-i option or file-or-directory missing\n')
+ err(usage)
+ sys.exit(2)
+ bad = 0
+ for arg in args:
+ if os.path.isdir(arg):
+ if recursedown(arg): bad = 1
+ elif os.path.islink(arg):
+ err(arg + ': will not process symbolic links\n')
+ bad = 1
+ else:
+ if fix(arg): bad = 1
+ sys.exit(bad)
+
+ispythonprog = regex.compile('^[a-zA-Z0-9_]+\.py$')
+def ispython(name):
+ return ispythonprog.match(name) >= 0
+
+def recursedown(dirname):
+ dbg('recursedown(' + `dirname` + ')\n')
+ bad = 0
+ try:
+ names = os.listdir(dirname)
+ except os.error, msg:
+ err(dirname + ': cannot list directory: ' + `msg` + '\n')
+ return 1
+ names.sort()
+ subdirs = []
+ for name in names:
+ if name in (os.curdir, os.pardir): continue
+ fullname = os.path.join(dirname, name)
+ if os.path.islink(fullname): pass
+ elif os.path.isdir(fullname):
+ subdirs.append(fullname)
+ elif ispython(name):
+ if fix(fullname): bad = 1
+ for fullname in subdirs:
+ if recursedown(fullname): bad = 1
+ return bad
+
+def fix(filename):
+## dbg('fix(' + `filename` + ')\n')
+ try:
+ f = open(filename, 'r')
+ except IOError, msg:
+ err(filename + ': cannot open: ' + `msg` + '\n')
+ return 1
+ line = f.readline()
+ fixed = fixline(line)
+ if line == fixed:
+ rep(filename+': no change\n')
+ f.close()
+ return
+ head, tail = os.path.split(filename)
+ tempname = os.path.join(head, '@' + tail)
+ try:
+ g = open(tempname, 'w')
+ except IOError, msg:
+ f.close()
+ err(tempname+': cannot create: '+`msg`+'\n')
+ return 1
+ rep(filename + ': updating\n')
+ g.write(fixed)
+ BUFSIZE = 8*1024
+ while 1:
+ buf = f.read(BUFSIZE)
+ if not buf: break
+ g.write(buf)
+ g.close()
+ f.close()
+
+ # Finishing touch -- move files
+
+ # First copy the file's mode to the temp file
+ try:
+ statbuf = os.stat(filename)
+ os.chmod(tempname, statbuf[ST_MODE] & 07777)
+ except os.error, msg:
+ err(tempname + ': warning: chmod failed (' + `msg` + ')\n')
+ # Then make a backup of the original file as filename~
+ try:
+ os.rename(filename, filename + '~')
+ except os.error, msg:
+ err(filename + ': warning: backup failed (' + `msg` + ')\n')
+ # Now move the temp file to the original file
+ try:
+ os.rename(tempname, filename)
+ except os.error, msg:
+ err(filename + ': rename failed (' + `msg` + ')\n')
+ return 1
+ # Return succes
+ return 0
+
+prog = regex.compile('\(#![ \t]*\)\(/[^ \t\n]*\)\(.*\n\)')
+
+def fixline(line):
+ if prog.match(line) < 0:
+ return line
+ head, tail = prog.group(1, 3)
+ return head + new_interpreter + tail
+
+main()
diff --git a/Tools/scripts/pindent.py b/Tools/scripts/pindent.py
index 35ae271..6432f4c 100755
--- a/Tools/scripts/pindent.py
+++ b/Tools/scripts/pindent.py
@@ -1,4 +1,4 @@
-#! /ufs/guido/bin/sgi/python
+#! /usr/local/bin/python
#! /usr/local/bin/python
# This file contains a class and a main program that perform two