pyslha.py@dee5706ae812 (annotated)
pyslha.py
Sun, 01 Aug 2010 01:05:50 +0200
- author
- Andy Buckley <andy@insectnation.org>
- date
- Sun, 01 Aug 2010 01:05:50 +0200
- changeset 1
- dee5706ae812
- parent 0
- c88183197787
- child 3
- d52a5a633a6c
- permissions
- -rw-r--r--
Making a basic block -> tree reader
| andy@1 | 1 | #! /usr/bin/env python |
| andy@1 | 2 | |
| andy@1 | 3 | import re |
| andy@1 | 4 | |
| andy@1 | 5 | class Block: |
| andy@1 | 6 | def __init__(self, name): |
| andy@1 | 7 | self.name = name |
| andy@1 | 8 | self.entries = {} |
| andy@1 | 9 | |
| andy@1 | 10 | def add_entry(self, entry): |
| andy@1 | 11 | #print entry |
| andy@1 | 12 | nextparent = self.entries |
| andy@1 | 13 | if len(entry) < 2: |
| andy@1 | 14 | raise Exception("Block entries must be at least a 2-tuple") |
| andy@1 | 15 | for e in entry[:-2]: |
| andy@1 | 16 | if e is not entry[-1]: |
| andy@1 | 17 | nextparent = nextparent.setdefault(e, {}) |
| andy@1 | 18 | nextparent[entry[-2]] = entry[-1] |
| andy@1 | 19 | #print self.entries |
| andy@1 | 20 | |
| andy@1 | 21 | def __cmp__(self, other): |
| andy@1 | 22 | return self.name < other.name |
| andy@1 | 23 | |
| andy@1 | 24 | def __str__(self): |
| andy@1 | 25 | s = self.name |
| andy@1 | 26 | s += "\n" |
| andy@1 | 27 | s += str(self.entries) |
| andy@1 | 28 | return s |
| andy@1 | 29 | |
| andy@1 | 30 | |
| andy@1 | 31 | class Decay: |
| andy@1 | 32 | def __init__(self, pid, totalwidth): |
| andy@1 | 33 | self.pid = totalwidth |
| andy@1 | 34 | |
| andy@1 | 35 | |
| andy@1 | 36 | def readSpcFile(filename): |
| andy@1 | 37 | ## TODO: Use new file handling from future |
| andy@1 | 38 | blocks = {} |
| andy@1 | 39 | decays = {} |
| andy@1 | 40 | f = open(filename, "r") |
| andy@1 | 41 | currentblock = None |
| andy@1 | 42 | for l in f: |
| andy@1 | 43 | line = l.strip()[:-1] |
| andy@1 | 44 | ## Handle (ignore) comment lines |
| andy@1 | 45 | if line.startswith("#"): |
| andy@1 | 46 | continue |
| andy@1 | 47 | if "#" in line: |
| andy@1 | 48 | line = line[:line.index("#")] |
| andy@1 | 49 | |
| andy@1 | 50 | ## Handle BLOCK/DECAY start lines |
| andy@1 | 51 | if line.startswith("BLOCK"): |
| andy@1 | 52 | ##TODO: Deal with Q= entries |
| andy@1 | 53 | blockname = line[5:].strip() |
| andy@1 | 54 | currentblock = blockname |
| andy@1 | 55 | blocks[blockname] = Block(blockname) |
| andy@1 | 56 | elif line.startswith("DECAY"): |
| andy@1 | 57 | currentblock = "DECAY" |
| andy@1 | 58 | # TODO: particle details |
| andy@1 | 59 | elif currentblock is not None: |
| andy@1 | 60 | items = line.split() |
| andy@1 | 61 | if len(items) < 2: |
| andy@1 | 62 | continue |
| andy@1 | 63 | # TODO: Sort out tuple item types: autoconvert integers and floats |
| andy@1 | 64 | if currentblock != "DECAY": |
| andy@1 | 65 | #print currentblock |
| andy@1 | 66 | blocks[currentblock].add_entry(items) |
| andy@1 | 67 | else: |
| andy@1 | 68 | #print "NOT HANDLING DECAYS YET!" |
| andy@1 | 69 | pass |
| andy@1 | 70 | |
| andy@1 | 71 | f.close() |
| andy@1 | 72 | return blocks, decays |
| andy@1 | 73 | |
| andy@1 | 74 | |
| andy@1 | 75 | if __name__ == "__main__": |
| andy@1 | 76 | import sys |
| andy@1 | 77 | for a in sys.argv[1:]: |
| andy@1 | 78 | blocks, decays = readSpcFile(a) |
| andy@1 | 79 | for bname, b in sorted(blocks.iteritems()): |
| andy@1 | 80 | print b |
| andy@1 | 81 |
