Mercurial > parpg-source

annotate common/utils.py @ 189:4381be70e1bb tip

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Fixed incompatibility with latest changes to bgrease.
author Beliar <KarstenBock@gmx.net>
date Sun, 08 Apr 2012 20:30:43 +0200
parents 06145a6ee387
children
rev   line source
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7a89ea5404b1 Initial commit of parpg-core.
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1 # This program is free software: you can redistribute it and/or modify
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2 # it under the terms of the GNU General Public License as published by
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3 # the Free Software Foundation, either version 3 of the License, or
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4 # (at your option) any later version.
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5
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6 # This program is distributed in the hope that it will be useful,
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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9 # GNU General Public License for more details.
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10
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11 # You should have received a copy of the GNU General Public License
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12 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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13
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14 # Miscellaneous game functions
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15
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16 import sys
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17 import os
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18 import fnmatch
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19
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20 from textwrap import dedent
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21 from contextlib import contextmanager
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22 from parpg import vfs
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23
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24 def addPaths (*paths):
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25 """Adds a list of paths to sys.path. Paths are expected to use forward
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26 slashes, for example '../../engine/extensions'. Slashes are converted
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27 to the OS-specific equivalent.
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28 @type paths: ???
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29 @param paths: Paths to files?
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30 @return: None"""
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31 for p in paths:
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32 if not p in sys.path:
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33 sys.path.append(os.path.sep.join(p.split('/')))
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34
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35 def parseBool(value):
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36 """Parses a string to get a boolean value"""
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37 if (value.isdigit()):
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38 return bool(int(value))
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39 elif (value.isalpha):
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40 return value.lower()[0] == "t"
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41 return False
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42
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43 def locateFiles(pattern, root=os.curdir):
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44 """Locate all files matching supplied filename pattern in and below
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45 supplied root directory."""
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46 filepaths = []
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47 filenames = vfs.VFS.listFiles(root)
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48 for filename in fnmatch.filter(filenames, pattern):
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49 vfs_file_path = '/'.join([root, filename])
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50 filepaths.append(vfs_file_path)
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51 dirnames = vfs.VFS.listDirectories(root)
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52 for dirname in dirnames:
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53 subdir_filepaths = locateFiles(pattern, '/'.join([root, dirname]))
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54 filepaths.extend(subdir_filepaths)
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55 return filepaths
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56
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57 def dedent_chomp(string):
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58 """Remove common leading whitespace and chomp each non-blank line."""
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59 dedented_string = dedent(string).strip()
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60 lines = dedented_string.splitlines()
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61 formatted_lines = []
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62 for index in range(len(lines)):
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63 line = lines[index]
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64 if index == len(lines) - 1:
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65 # Don't do anything to the last line.
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66 pass
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67 elif not line or line.isspace():
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68 line = '\n\n'
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69 else:
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70 line = ''.join([line, ' '])
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71 formatted_lines.append(line)
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72 result = ''.join(formatted_lines)
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73 return result
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74
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75 @contextmanager
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76 def cwd(dirname):
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77 cwd = os.getcwd()
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78
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79 try:
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80 os.chdir(dirname)
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81 yield
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82 finally:
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83 os.chdir(cwd)