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-rw-r--r--markdown/commandline.py47
1 files changed, 12 insertions, 35 deletions
diff --git a/markdown/commandline.py b/markdown/commandline.py
index 1eedc6d..dce2b8a 100644
--- a/markdown/commandline.py
+++ b/markdown/commandline.py
@@ -2,47 +2,25 @@
COMMAND-LINE SPECIFIC STUFF
=============================================================================
-The rest of the code is specifically for handling the case where Python
-Markdown is called from the command line.
"""
import markdown
import sys
+import optparse
import logging
from logging import DEBUG, INFO, WARN, ERROR, CRITICAL
-EXECUTABLE_NAME_FOR_USAGE = "python markdown.py"
-""" The name used in the usage statement displayed for python versions < 2.3.
-(With python 2.3 and higher the usage statement is generated by optparse
-and uses the actual name of the executable called.) """
-
-OPTPARSE_WARNING = """
-Python 2.3 or higher required for advanced command line options.
-For lower versions of Python use:
-
- %s INPUT_FILE > OUTPUT_FILE
-
-""" % EXECUTABLE_NAME_FOR_USAGE
-
def parse_options():
"""
Define and parse `optparse` options for command-line usage.
"""
-
- try:
- optparse = __import__("optparse")
- except:
- if len(sys.argv) == 2:
- return {'input': sys.argv[1],
- 'output': None,
- 'safe': False,
- 'extensions': [],
- 'encoding': None }, CRITICAL
- else:
- print OPTPARSE_WARNING
- return None, None
-
- parser = optparse.OptionParser(usage="%prog INPUTFILE [options]")
+ usage = """%prog [options] [INPUTFILE]
+ (STDIN is assumed if no INPUTFILE is given)"""
+ desc = "A Python implementation of John Gruber's Markdown. " \
+ "http://www.freewisdom.org/projects/python-markdown/"
+ ver = "%%prog %s" % markdown.version
+
+ parser = optparse.OptionParser(usage=usage, description=desc, version=ver)
parser.add_option("-f", "--file", dest="filename", default=sys.stdout,
help="write output to OUTPUT_FILE",
metavar="OUTPUT_FILE")
@@ -56,10 +34,10 @@ def parse_options():
help="print info messages")
parser.add_option("-s", "--safe", dest="safe", default=False,
metavar="SAFE_MODE",
- help="safe mode ('replace', 'remove' or 'escape' user's HTML tag)")
+ help="'replace', 'remove' or 'escape' HTML tags in input")
parser.add_option("-o", "--output_format", dest="output_format",
default='xhtml1', metavar="OUTPUT_FORMAT",
- help="Format of output. One of 'xhtml1' (default) or 'html4'.")
+ help="'xhtml1' (default) or 'html4'.")
parser.add_option("--noisy",
action="store_const", const=DEBUG, dest="verbose",
help="print debug messages")
@@ -68,9 +46,8 @@ def parse_options():
(options, args) = parser.parse_args()
- if not len(args) == 1:
- parser.print_help()
- return None, None
+ if len(args) == 0:
+ input_file = sys.stdin
else:
input_file = args[0]