Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/packagescan.py @ 1859:39c46510ed25
Moved --cwd handling in front of -R handling again. Shorter code for initial -R.
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Wed, 08 Mar 2006 06:13:24 +0100 |
parents | 7f12a63568ae |
children | 685597676a13 c58a403aa830 |
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1 # packagescan.py - Helper module for identifing used modules. |
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2 # Used for the py2exe distutil. |
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3 # |
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4 # Copyright 2005 Volker Kleinfeld <Volker.Kleinfeld@gmx.de> |
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5 # |
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6 # This software may be used and distributed according to the terms |
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7 # of the GNU General Public License, incorporated herein by reference. |
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8 import glob |
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9 import os |
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10 import sys |
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11 import demandload |
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12 import ihooks |
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13 |
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14 requiredmodules = {} # Will contain the modules imported by demandload |
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15 def demandload(scope, modules): |
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16 """ fake demandload function that collects the required modules """ |
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17 for m in modules.split(): |
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18 mod = None |
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19 try: |
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20 module, submodules = m.split(':') |
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21 submodules = submodules.split(',') |
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22 except: |
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23 module = m |
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24 submodules = [] |
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25 mod = __import__(module, scope, scope, submodules) |
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26 scope[module] = mod |
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27 requiredmodules[mod.__name__] = 1 |
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28 |
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29 def getmodules(libpath,packagename): |
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30 """ helper for finding all required modules of package <packagename> """ |
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31 # Use the package in the build directory |
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32 libpath = os.path.abspath(libpath) |
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33 sys.path.insert(0,libpath) |
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34 packdir = os.path.join(libpath,packagename) |
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35 # A normal import would not find the package in |
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36 # the build directory. ihook is used to force the import. |
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37 # After the package is imported the import scope for |
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38 # the following imports is settled. |
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39 p = importfrom(packdir) |
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40 globals()[packagename] = p |
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41 sys.modules[packagename] = p |
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42 # Fetch the python modules in the package |
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43 cwd = os.getcwd() |
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44 os.chdir(packdir) |
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45 pymodulefiles = glob.glob('*.py') |
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46 extmodulefiles = glob.glob('*.pyd') |
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47 os.chdir(cwd) |
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48 # Install a fake demandload module |
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49 sys.modules['mercurial.demandload'] = sys.modules['mercurial.packagescan'] |
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50 # Import all python modules and by that run the fake demandload |
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51 for m in pymodulefiles: |
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52 if m == '__init__.py': continue |
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53 tmp = {} |
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54 mname,ext = os.path.splitext(m) |
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55 fullname = packagename+'.'+mname |
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56 __import__(fullname,tmp,tmp) |
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57 requiredmodules[fullname] = 1 |
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58 # Import all extension modules and by that run the fake demandload |
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59 for m in extmodulefiles: |
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60 tmp = {} |
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61 mname,ext = os.path.splitext(m) |
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62 fullname = packagename+'.'+mname |
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63 __import__(fullname,tmp,tmp) |
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64 requiredmodules[fullname] = 1 |
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65 includes = requiredmodules.keys() |
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66 return includes |
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67 |
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68 def importfrom(filename): |
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69 """ |
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70 import module/package from a named file and returns the module. |
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71 It does not check on sys.modules or includes the module in the scope. |
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72 """ |
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73 loader = ihooks.BasicModuleLoader() |
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74 path, file = os.path.split(filename) |
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75 name, ext = os.path.splitext(file) |
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76 m = loader.find_module_in_dir(name, path) |
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77 if not m: |
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78 raise ImportError, name |
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79 m = loader.load_module(name, m) |
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80 return m |