Mercurial > hg
annotate mercurial/packagescan.py @ 1740:f95654385065
add --daemon option to serve command. for issue 45.
code looks odd because it is portable to windows. windows does not have
os.fork, so have to spawn and use pipe to tell parent ready instead.
author | Vadim Gelfer <vadim.gelfer@gmail.com> |
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date | Fri, 17 Feb 2006 16:29:30 -0800 |
parents | 2073e5a71008 |
children | 7f12a63568ae |
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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 mod = __import__(m,scope,scope) |
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20 scope[m] = mod |
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21 requiredmodules[mod.__name__] = 1 |
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22 |
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23 def getmodules(libpath,packagename): |
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24 """ helper for finding all required modules of package <packagename> """ |
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25 # Use the package in the build directory |
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26 libpath = os.path.abspath(libpath) |
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27 sys.path.insert(0,libpath) |
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28 packdir = os.path.join(libpath,packagename) |
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29 # A normal import would not find the package in |
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30 # the build directory. ihook is used to force the import. |
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31 # After the package is imported the import scope for |
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32 # the following imports is settled. |
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33 p = importfrom(packdir) |
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34 globals()[packagename] = p |
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35 sys.modules[packagename] = p |
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36 # Fetch the python modules in the package |
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37 cwd = os.getcwd() |
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38 os.chdir(packdir) |
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39 pymodulefiles = glob.glob('*.py') |
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40 extmodulefiles = glob.glob('*.pyd') |
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41 os.chdir(cwd) |
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42 # Install a fake demandload module |
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43 sys.modules['mercurial.demandload'] = sys.modules['mercurial.packagescan'] |
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44 # Import all python modules and by that run the fake demandload |
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45 for m in pymodulefiles: |
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46 if m == '__init__.py': continue |
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47 tmp = {} |
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48 mname,ext = os.path.splitext(m) |
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49 fullname = packagename+'.'+mname |
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50 __import__(fullname,tmp,tmp) |
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51 requiredmodules[fullname] = 1 |
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52 # Import all extension modules and by that run the fake demandload |
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53 for m in extmodulefiles: |
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54 tmp = {} |
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55 mname,ext = os.path.splitext(m) |
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56 fullname = packagename+'.'+mname |
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57 __import__(fullname,tmp,tmp) |
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58 requiredmodules[fullname] = 1 |
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59 includes = requiredmodules.keys() |
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60 return includes |
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61 |
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62 def importfrom(filename): |
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63 """ |
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64 import module/package from a named file and returns the module. |
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65 It does not check on sys.modules or includes the module in the scope. |
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66 """ |
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67 loader = ihooks.BasicModuleLoader() |
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68 path, file = os.path.split(filename) |
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69 name, ext = os.path.splitext(file) |
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70 m = loader.find_module_in_dir(name, path) |
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71 if not m: |
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72 raise ImportError, name |
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73 m = loader.load_module(name, m) |
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74 return m |