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Use tabs in prefs2prefs.py, as in the other such files
This commit is contained in:
Richard Kimberly Heck
parent
e6395fd4ee
commit
516a25cbb5
@ -10,8 +10,8 @@
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# This is the main file for the user preferences conversion system.
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# There are two subsidiary files:
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# prefs2prefs_lfuns.py
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# prefs2prefs_prefs.py
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# prefs2prefs_lfuns.py
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# prefs2prefs_prefs.py
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# The former is used to convert bind and ui files; the latter, to convert
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# the preferences file. The converter functions are all in the subsidiary
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# files.
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@ -27,23 +27,23 @@ import io
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# Utility functions, borrowed from layout2layout.py
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def trim_bom(line):
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" Remove byte order mark."
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if line[0:3] == u"\357\273\277":
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return line[3:]
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else:
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return line
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" Remove byte order mark."
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if line[0:3] == u"\357\273\277":
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return line[3:]
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else:
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return line
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def read(source):
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" Read input file and strip lineendings."
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lines = source.read().splitlines() or ['']
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lines[0] = trim_bom(lines[0])
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return lines
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" Read input file and strip lineendings."
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lines = source.read().splitlines() or ['']
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lines[0] = trim_bom(lines[0])
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return lines
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def write(output, lines):
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" Write output file with native lineendings."
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output.write(os.linesep.join(lines) + os.linesep)
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" Write output file with native lineendings."
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output.write(os.linesep.join(lines) + os.linesep)
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# for use by find_format_lines
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@ -51,144 +51,144 @@ re_comment = re.compile(r'^#')
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re_empty = re.compile(r'^\s*$')
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def find_format_line(lines):
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'''
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Returns (bool, int), where int is number of the line the `Format'
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specification is on, or else the number of the first non-blank,
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non-comment line. The bool tells whether we found a format line.
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'''
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for i in range(len(lines)):
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l = lines[i]
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if re_comment.search(l) or re_empty.search(l):
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continue
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m = re_format.search(l)
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if m:
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return (True, i)
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# we're done when we have hit a non-comment, non-empty line
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break
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return (False, i)
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'''
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Returns (bool, int), where int is number of the line the `Format'
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specification is on, or else the number of the first non-blank,
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non-comment line. The bool tells whether we found a format line.
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'''
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for i in range(len(lines)):
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l = lines[i]
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if re_comment.search(l) or re_empty.search(l):
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continue
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m = re_format.search(l)
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if m:
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return (True, i)
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# we're done when we have hit a non-comment, non-empty line
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break
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return (False, i)
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# for use by get_format
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re_format = re.compile(r'^Format\s+(\d+)\s*$')
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def get_format(lines):
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" Gets format of current file and replaces the format line with a new one "
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(found, format_line) = find_format_line(lines)
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if not found:
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return 0
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line = lines[format_line]
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m = re_format.search(line)
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if not m:
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sys.stderr.write("Couldn't match format line!\n" + line + "\n")
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sys.exit(1)
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return int(m.group(1))
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" Gets format of current file and replaces the format line with a new one "
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(found, format_line) = find_format_line(lines)
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if not found:
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return 0
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line = lines[format_line]
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m = re_format.search(line)
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if not m:
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sys.stderr.write("Couldn't match format line!\n" + line + "\n")
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sys.exit(1)
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return int(m.group(1))
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def update_format(lines):
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" Writes new format line "
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(found, format_line) = find_format_line(lines)
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if not found:
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lines[format_line:format_line] = ("Format 1", "")
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return
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" Writes new format line "
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(found, format_line) = find_format_line(lines)
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if not found:
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lines[format_line:format_line] = ("Format 1", "")
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return
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line = lines[format_line]
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m = re_format.search(line)
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if not m:
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sys.stderr.write("Couldn't match format line!\n" + line + "\n")
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sys.exit(1)
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format = int(m.group(1))
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lines[format_line] = "Format " + str(format + 1)
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line = lines[format_line]
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m = re_format.search(line)
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if not m:
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sys.stderr.write("Couldn't match format line!\n" + line + "\n")
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sys.exit(1)
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format = int(m.group(1))
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lines[format_line] = "Format " + str(format + 1)
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def abort(msg):
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sys.stderr.write("\n%s\n" % (msg))
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sys.exit(10)
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sys.stderr.write("\n%s\n" % (msg))
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sys.exit(10)
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#
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###########################################################
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def usage():
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print ("%s [-l] [-p] infile outfile" % sys.argv[0])
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print ("or: %s [-l] [-p] <infile >outfile" % sys.argv[0])
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print (" -l: convert LFUNs (bind and ui files)")
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print (" -p: convert preferences")
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print ("Note that exactly one of -l and -p is required.")
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print ("%s [-l] [-p] infile outfile" % sys.argv[0])
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print ("or: %s [-l] [-p] <infile >outfile" % sys.argv[0])
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print (" -l: convert LFUNs (bind and ui files)")
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print (" -p: convert preferences")
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print ("Note that exactly one of -l and -p is required.")
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def main(argv):
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try:
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(options, args) = getopt(sys.argv[1:], "lp")
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except:
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usage()
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abort("Unrecognized option")
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try:
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(options, args) = getopt(sys.argv[1:], "lp")
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except:
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usage()
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abort("Unrecognized option")
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opened_files = False
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# Open files
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if len(args) == 0:
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source = sys.stdin
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output = sys.stdout
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elif len(args) == 2:
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source = io.open(args[0], 'r', encoding='utf_8', errors='surrogateescape')
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output = io.open(args[1], 'w', encoding='utf_8', newline='\n')
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opened_files = True
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else:
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usage()
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abort("Either zero or two arguments must be given.")
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opened_files = False
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# Open files
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if len(args) == 0:
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source = sys.stdin
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output = sys.stdout
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elif len(args) == 2:
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source = io.open(args[0], 'r', encoding='utf_8', errors='surrogateescape')
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output = io.open(args[1], 'w', encoding='utf_8', newline='\n')
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opened_files = True
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else:
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usage()
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abort("Either zero or two arguments must be given.")
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conversions = False
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conversions = False
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for (opt, param) in options:
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if opt == "-l":
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from prefs2prefs_lfuns import conversions
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elif opt == "-p":
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from prefs2prefs_prefs import conversions
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for (opt, param) in options:
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if opt == "-l":
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from prefs2prefs_lfuns import conversions
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elif opt == "-p":
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from prefs2prefs_prefs import conversions
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if not conversions:
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usage()
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abort("Neither -l nor -p given.")
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elif len(options) > 1:
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usage()
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abort("Only one of -l or -p should be given.")
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if not conversions:
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usage()
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abort("Neither -l nor -p given.")
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elif len(options) > 1:
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usage()
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abort("Only one of -l or -p should be given.")
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current_format = len(conversions)
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lines = read(source)
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format = get_format(lines)
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current_format = len(conversions)
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lines = read(source)
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format = get_format(lines)
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while format < current_format:
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target_format, convert = conversions[format]
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old_format = format
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while format < current_format:
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target_format, convert = conversions[format]
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old_format = format
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# make sure the conversion list is sequential
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if int(old_format) + 1 != target_format:
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abort("Something is wrong with the conversion chain.")
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# make sure the conversion list is sequential
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if int(old_format) + 1 != target_format:
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abort("Something is wrong with the conversion chain.")
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for c in convert:
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try:
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# first see if the routine will accept a list of lines
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c(lines)
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except:
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# if not, it wants individual lines
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for i in range(len(lines)):
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(update, newline) = c(lines[i])
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if update:
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lines[i] = newline
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for c in convert:
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try:
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# first see if the routine will accept a list of lines
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c(lines)
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except:
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# if not, it wants individual lines
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for i in range(len(lines)):
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(update, newline) = c(lines[i])
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if update:
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lines[i] = newline
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update_format(lines)
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format = get_format(lines)
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update_format(lines)
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format = get_format(lines)
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# sanity check
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if int(old_format) + 1 != int(format):
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abort("Failed to convert to new format!")
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# sanity check
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if int(old_format) + 1 != int(format):
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abort("Failed to convert to new format!")
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write(output, lines)
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write(output, lines)
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# Close files
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if opened_files:
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source.close()
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output.close()
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# Close files
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if opened_files:
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source.close()
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output.close()
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return 0
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return 0
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if __name__ == "__main__":
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main(sys.argv)
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main(sys.argv)
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