125 lines
3.0 KiB
Python
125 lines
3.0 KiB
Python
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#!/usr/bin/python
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# This is horrible, and needs to be re-written, but, well, it mostly works!
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import re
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import os
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from urllib import unquote
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class FileNameParser:
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def fixSpaces( self, string ):
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placeholders = ['[-_]',' +']
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for ph in placeholders:
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string = re.sub(ph, ' ', string )
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return string.strip()
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# check for silly .1 or .5 style issue strings
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# allow up to 5 chars total
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def isPointIssue( self, word ):
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ret = False
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try:
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float(word)
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if (len(word) < 5 and not word.isdigit()):
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ret = True
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except ValueError:
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pass
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return ret
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def getIssueNumber( self,filename ):
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found = False
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issue = ''
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# guess based on position
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# replace any name seperators with spaces
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tmpstr = self.fixSpaces(filename)
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word_list = tmpstr.split(' ')
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# assume the last number in the filename that is under 4 digits is the issue number
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for word in reversed(word_list):
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if (
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(word.isdigit() and len(word) < 4) or
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(self.isPointIssue(word))
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):
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issue = word
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found = True
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#print 'Assuming issue number is ' + str(issue) + ' based on the position.'
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break
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if not found:
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# try a regex
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issnum = re.search('(?<=[_#\s-])(\d+[a-zA-Z]|\d+\.\d|\d+)', filename)
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if issnum:
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issue = issnum.group()
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found = True
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#print 'Got the issue using regex. Issue is ' + issue
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return issue.strip()
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def getSeriesName(self, filename, issue ):
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# use the issue number string to split the filename string
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# assume first element of list is the series name, plus cruft
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#!!! this could fail in the case of small numerics in the series name!!!
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tmpstr = self.fixSpaces(filename)
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if issue != "":
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series = tmpstr.split(issue)[0]
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else:
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# no issue to work off of
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#!!! TODO we should look for the year, and split from that
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# and if that doesn't exist, remove parenthetical words
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series = tmpstr
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volume = ""
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series = series.rstrip("#")
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# search for volume number
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match = re.search('(?<=v)(\d+)\s*$', series)
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if match:
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volume = match.group()
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series = series.split("v"+volume)[0]
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volume = volume.lstrip("0")
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return series.strip(), volume.strip()
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def getYear( self,filename):
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year = ""
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# look for four digit number with "(" ")" or "--" around it
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match = re.search('(\(\d\d\d\d\))|(--\d\d\d\d--)', filename)
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if match:
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year = match.group()
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# remove non-numerics
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year = re.sub("[^0-9]", "", year)
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return year
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self.issue = ""
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self.series = ""
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self.volume = ""
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self.year = ""
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def parseFilename( self, filename ):
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# remove the path
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filename = os.path.basename(filename)
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# remove the extension
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filename = os.path.splitext(filename)[0]
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#url decvocde, just in case
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filename = unquote(filename)
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self.issue = self.getIssueNumber(filename)
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self.series, self.volume = self.getSeriesName(filename, self.issue)
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self.year = self.getYear(filename)
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if self.issue != "":
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# strip off leading zeros
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self.issue = self.issue.lstrip("0")
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if self.issue == "":
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self.issue = "0"
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