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492 lines
16 KiB
Python
Executable File
492 lines
16 KiB
Python
Executable File
#!/usr/bin/python
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"""
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<OWNER> = Siteshwar Vashisht
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<YEAR> = 2012
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Copyright (c) 2012, Siteshwar Vashisht
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""
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""" Run me like this: ./create_manpage_completions.py /usr/share/man/man1/* > test2.out """
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import sys, re, os.path, gzip
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# This gets set to the name of the command that we are currently executing
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CMDNAME = ""
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def compileAndSearch(regex, input):
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options_section_regex = re.compile(regex , re.DOTALL)
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options_section_matched = re.search( options_section_regex, input)
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return options_section_matched
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def unquoteDoubleQuotes(data):
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if (len(data) < 2):
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return data
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if data[0] == '"' and data[len(data)-1] == '"':
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data = data[1:len(data)-1]
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return data
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def unquoteSingleQuotes(data):
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if (len(data) < 2):
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return data
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if data[0] == '`' and data[len(data)-1] == '\'':
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data = data[1:len(data)-1]
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return data
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def printcompletecommand(cmdname, args, description):
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print "complete -c", cmdname,
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for arg in args:
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print arg,
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# print "--descripton ", description
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print "\n",
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def builtcommand(options, description):
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# print "Options are: ", options
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optionlist = re.split(" |,|\"|=|[|]", options)
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optionlist = filter(lambda x: len(x) > 0 and x[0] == "-", optionlist)
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if len(optionlist) == 0:
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return
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for i in range(0, len(optionlist)):
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if optionlist[i][0:2] == "--":
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optionlist[i] = "-l " + optionlist[i][2:]
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else:
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optionlist[i] = "-s " + optionlist[i][1:]
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printcompletecommand(CMDNAME, optionlist, description)
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def removeGroffFormatting(data):
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# data = data.replace("\fI","")
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# data = data.replace("\fP","")
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data = data.replace("\\fI","")
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data = data.replace("\\fP","")
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data = data.replace("\\f1","")
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data = data.replace("\\fB","")
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data = data.replace("\\fR","")
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data = data.replace("\\e","")
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data = re.sub(".PD( \d+)","",data)
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data = data.replace(".BI","")
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data = data.replace(".BR","")
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data = data.replace("0.5i","")
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data = data.replace(".rb","")
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data = data.replace("\\^","")
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data = data.replace("{ ","")
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data = data.replace(" }","")
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data = data.replace("\ ","")
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data = data.replace("\-","-")
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data = data.replace("\&","")
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data = data.replace(".B","")
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data = data.replace("\-","-")
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data = data.replace(".I","")
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data = data.replace("\f","")
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return data
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class ManParser:
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def isMyType(self, manpage):
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return False
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def parseManPage(self, manpage):
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return False
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def name(self):
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return "no-name"
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class Type1ManParser(ManParser):
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def isMyType(self, manpage):
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# print manpage
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options_section_matched = compileAndSearch("\.SH \"OPTIONS\"(.*?)", manpage)
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if options_section_matched == None:
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return False
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else:
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return True
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def parseManPage(self, manpage):
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options_section_regex = re.compile( "\.SH \"OPTIONS\"(.*?)(\.SH|\Z)", re.DOTALL)
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options_section_matched = re.search( options_section_regex, manpage)
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options_section = options_section_matched.group(0)
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# print options_section
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options_parts_regex = re.compile("\.PP(.*?)\.RE", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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# print options_matched
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print >> sys.stderr, "Command is ", CMDNAME
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if options_matched == None:
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print >> sys.stderr, "Unable to find options"
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if( self.fallback(options_section) ):
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return True
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elif (self.fallback2(options_section) ):
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return True
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return False
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while (options_matched != None):
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# print len(options_matched.groups())
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# print options_matched.group()
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data = options_matched.group(1)
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last_dotpp_index = data.rfind(".PP")
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if (last_dotpp_index != -1):
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data = data[last_dotpp_index+3:]
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data = removeGroffFormatting(data)
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data = data.split(".RS 4")
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# print data
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if (len (data) > 1): #and len(data[1]) <= 300):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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print >> sys.stderr, optionName, " doesn't contain - "
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# return False
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print >> sys.stderr, "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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print >> sys.stderr, "Unable to split option from description"
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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def fallback(self, options_section):
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print >> sys.stderr, "Falling Back"
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options_parts_regex = re.compile("\.TP( \d+)?(.*?)\.TP", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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if options_matched == None:
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print >> sys.stderr, "Still not found"
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return False
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while options_matched != None:
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data = options_matched.group(2)
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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if (len(data)>1 and len(data[1].strip())>0): # and len(data[1])<400):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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print >> sys.stderr, optionName, "doesn't contains -"
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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print >> sys.stderr, data
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print >> sys.stderr, "Unable to split option from description"
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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return True
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def fallback2(self, options_section):
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print >> sys.stderr, "Falling Back2"
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ix_remover_regex = re.compile("\.IX.*")
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trailing_num_regex = re.compile('\\d+$')
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options_parts_regex = re.compile("\.IP (.*?)\.IP", re.DOTALL)
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options_section = re.sub(ix_remover_regex, "", options_section)
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options_matched = re.search(options_parts_regex, options_section)
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if options_matched == None:
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print >> sys.stderr, "Still not found2"
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return False
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while options_matched != None:
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data = options_matched.group(1)
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# print "Data is : ", data
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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if (len(data)>1 and len(data[1].strip())>0): # and len(data[1])<400):
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# print "Data[0] is: ", data[0]
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# data = re.sub(trailing_num_regex, "", data)
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optionName = re.sub(trailing_num_regex, "", data[0].strip())
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if ( optionName.find("-") == -1):
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print >> sys.stderr, optionName, "doesn't contains -"
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else:
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optionName = optionName.strip()
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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# print data
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print >> sys.stderr, "Unable to split option from description"
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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return True
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def name(self):
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return "Type1"
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class Type2ManParser(ManParser):
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def isMyType(self, manpage):
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options_section_matched = compileAndSearch("\.SH OPTIONS(.*?)", manpage)
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if options_section_matched == None:
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return False
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else:
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return True
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def parseManPage(self, manpage):
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options_section_regex = re.compile( "\.SH OPTIONS(.*?)(\.SH|\Z)", re.DOTALL)
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options_section_matched = re.search( options_section_regex, manpage)
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# if (options_section_matched == None):
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# print "Falling Back"
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# options_section_regex = re.compile( "\.SH OPTIONS(.*?)$", re.DOTALL)
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# options_section_matched = re.search( options_section_regex, manpage)
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# print manpage
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options_section = options_section_matched.group(1)
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# print options_section
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# print options_section
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# sys.exit(1)
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# options_parts_regex = re.compile("\.TP(.*?)\.TP", re.DOTALL)
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options_parts_regex = re.compile("\.[I|T]P( \d+(\.\d)?i?)?(.*?)\.[I|T]P", re.DOTALL)
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# options_parts_regex = re.compile("\.TP(.*?)[(\.TP)|(\.SH)]", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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print >> sys.stderr, "Command is ", CMDNAME
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if options_matched == None:
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print >> sys.stderr, self.name() + ": Unable to find options"
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return False
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while (options_matched != None):
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# print len(options_matched.groups())
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data = options_matched.group(3)
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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# print >> sys.stderr, data
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if (len(data)>1 and len(data[1].strip())>0): # and len(data[1])<400):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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print >> sys.stderr, optionName, "doesn't contains -"
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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print >> sys.stderr, data
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print >> sys.stderr, "Unable to split option from description"
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# return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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def name(self):
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return "Type2"
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class Type3ManParser(ManParser):
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def isMyType(self, manpage):
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options_section_matched = compileAndSearch("\.SH DESCRIPTION(.*?)", manpage)
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if options_section_matched == None:
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return False
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else:
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return True
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def parseManPage(self, manpage):
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options_section_regex = re.compile( "\.SH DESCRIPTION(.*?)(\.SH|\Z)", re.DOTALL)
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options_section_matched = re.search( options_section_regex, manpage)
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options_section = options_section_matched.group(1)
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# print options_section
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# sys.exit(1)
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options_parts_regex = re.compile("\.TP(.*?)\.TP", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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print >> sys.stderr, "Command is ", CMDNAME
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if options_matched == None:
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print >> sys.stderr, "Unable to find options section"
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return False
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while (options_matched != None):
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# print len(options_matched.groups())
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data = options_matched.group(1)
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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if (len(data)>1): # and len(data[1])<400):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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print >> sys.stderr, optionName, "doesn't contains -"
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print >> sys.stderr, "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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print >> sys.stderr, "Unable to split option from description"
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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def name(self):
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return "Type3"
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class Type4ManParser(ManParser):
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def isMyType(self, manpage):
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options_section_matched = compileAndSearch("\.SH FUNCTION LETTERS(.*?)", manpage)
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if options_section_matched == None:
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return False
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else:
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return True
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def parseManPage(self, manpage):
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options_section_regex = re.compile( "\.SH FUNCTION LETTERS(.*?)(\.SH|\Z)", re.DOTALL)
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options_section_matched = re.search( options_section_regex, manpage)
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options_section = options_section_matched.group(1)
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# print options_section
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# sys.exit(1)
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options_parts_regex = re.compile("\.TP(.*?)\.TP", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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print >> sys.stderr, "Command is ", CMDNAME
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if options_matched == None:
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print >> sys.stderr, "Unable to find options section"
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return False
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while (options_matched != None):
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# print len(options_matched.groups())
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data = options_matched.group(1)
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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if (len(data)>1): # and len(data[1])<400):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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print >> sys.stderr, optionName, "doesn't contains -"
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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print >> sys.stderr, "Unable to split option from description"
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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return True
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def name():
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return "Type4"
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def parse_manpage_at_path(manpage_path):
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filename = os.path.basename(manpage_path)
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# Get the "base" command, e.g. gcc.1.gz -> gcc
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global CMDNAME
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CMDNAME = filename.split('.', 1)[0]
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print >> sys.stderr, "Considering " + manpage_path
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if manpage_path.endswith('.gz'):
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fd = gzip.open(manpage_path, 'r')
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else:
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fd = open(manpage_path, 'r')
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manpage = fd.read()
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fd.close()
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parsers = [Type1ManParser(), Type2ManParser(), Type4ManParser(), Type3ManParser()]
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parserToUse = None
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# Get the "base" command, e.g. gcc.1.gz -> gcc
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cmd_base = CMDNAME.split('.', 1)[0]
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ignoredcommands = ["cc", "g++", "gcc", "c++", "cpp", "emacs", "gprof", "wget", "ld", "awk"]
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if cmd_base in ignoredcommands:
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return
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for parser in parsers:
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if parser.isMyType(manpage):
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parserToUse = parser
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# print "Type is: ", parser.name()
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break
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if parserToUse == None:
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print >> sys.stderr, manpage_path, " : Not supported"
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elif parserToUse == parsers[0]:
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if parserToUse.parseManPage(manpage) == False:
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print >> sys.stderr, "Type1 : ", manpage_path, " is unparsable"
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else:
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print >> sys.stderr, manpage_path, " parsed successfully"
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elif parserToUse == parsers[1]:
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if parserToUse.parseManPage(manpage) == False:
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print >> sys.stderr, "Type2 : ", manpage_path, " is unparsable"
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else:
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print >> sys.stderr, "Type2 : ", manpage_path, " parsed successfully"
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elif parserToUse == parsers[2]:
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if parserToUse.parseManPage(manpage) == False:
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print >> sys.stderr, "Type3 : ", manpage_path, " is unparsable"
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else:
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print >> sys.stderr, manpage_path, " parsed successfully"
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elif parserToUse == parsers[3]:
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if parserToUse.parseManPage(manpage) == False:
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print >> sys.stderr, "Type4 : ", manpage_path, " is unparsable"
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else:
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print >> sys.stderr, "Type4 :", manpage_path, " parsed successfully"
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def compare_paths(a, b):
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""" Compare two paths by their base name, case insensitive """
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return cmp(os.path.basename(a).lower(), os.path.basename(b).lower())
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if __name__ == "__main__":
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paths = sys.argv[1:]
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paths.sort(compare_paths)
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for manpage_path in paths:
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try:
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parse_manpage_at_path(manpage_path)
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except IOError:
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print >> sys.stderr, 'Cannot open ', manpage_path
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except:
|
|
print >> sys.stderr, "Error parsing %s: %s" % (manpage_path, sys.exc_info()[0])
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