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[redakcja.git] / lib / hg.py

diff --git a/lib/hg.py b/lib/hg.py
index a2702f6..6dd6e0c 100644 (file)
--- a/lib/hg.py
+++ b/lib/hg.py
@@ -1,14 +1,12 @@
 # -*- coding: utf-8 -*-
 import os
 import codecs
 # -*- coding: utf-8 -*-
 import os
 import codecs

-from mercurial import localrepo, ui, error, match, node, encoding
-
+from mercurial import localrepo, ui, match, node, encoding, util
+import mercurial.merge, mercurial.error

 
 encoding.encoding = 'utf-8'
 
 
 
 encoding.encoding = 'utf-8'
 
 

-class RepositoryDoesNotExist(Exception):
-    pass

 
 
 class Repository(object):
 
 
 class Repository(object):


@@ -27,7 +25,7 @@ class Repository(object):
         if os.path.isdir(path):
             try:
                 return localrepo.localrepository(self.ui, path)
         if os.path.isdir(path):
             try:
                 return localrepo.localrepository(self.ui, path)

-            except error.RepoError:
+            except mercurial.error.RepoError:

                 # dir is not an hg repo, we must init it
                 if create:
                     return localrepo.localrepository(self.ui, path, create=1)
                 # dir is not an hg repo, we must init it
                 if create:
                     return localrepo.localrepository(self.ui, path, create=1)


@@ -36,75 +34,101 @@ class Repository(object):
             return localrepo.localrepository(self.ui, path, create=1)
         raise RepositoryDoesNotExist("Repository %s does not exist." % path)
         
             return localrepo.localrepository(self.ui, path, create=1)
         raise RepositoryDoesNotExist("Repository %s does not exist." % path)
         

-    def all_files(self):
-        return list(self.repo['tip'])
-    
-    def get_file(self, path):
-        ctx = self.repo.changectx(None)
-        return ctx.filectx(path)
-    
-    def add_file(self, path, value):
-        f = codecs.open(os.path.join(self.real_path, path), 'w', encoding='utf-8')
-        f.write(value)
-        f.close()
+    def file_list(self, branch):
+        return self.in_branch(lambda: self._file_list(), branch)

 
 

-        if path not in self._pending_files:
-            self._pending_files.append(path)
+    def _file_list(self):
+        return list(self.repo[None])

     
     

-    def commit(self, message=u'hgshelve auto commit', key=None, user=None):
-        """
-        Commit unsynchronized data to disk.
-        Arguments::
-
-         - message: mercurial's changeset message
-         - key: supply to sync only one key
-        """
-        if isinstance(message, unicode):
-            message = message.encode('utf-8')
-        if isinstance(user, unicode):
-            user = user.encode('utf-8')
+    def get_file(self, path, branch):
+        return self.in_branch(lambda: self._get_file(path), branch)
+
+    def _get_file(self, path):
+        if not self._file_exists(path):
+            raise RepositoryException("File not availble in this branch.")

         
         

-        commited = False
-        rev = None
-        files_to_add = []
-        files_to_remove = []
-        files_to_commit = []
-
-        # first of all, add absent data and clean removed
-        if key is None:
-            # will commit all keys
-            pending_files = self._pending_files
-        else:
-            if key not in self._pending_files:
-                # key isn't changed
-                return None
-            else:
-                pending_files = [key]
-        for path in pending_files:
-            files_to_commit.append(path)
-            if path in self.all_files():
-                if not os.path.exists(os.path.join(self.real_path, path)):
-                    # file removed
-                    files_to_remove.append(path)
-            else:
-                # file added
-                files_to_add.append(path)
-        # hg add
-        if files_to_add:
-            self.repo.add(files_to_add)
-        # hg forget
-        if files_to_remove:
-            self.repo.forget(files_to_remove)
-        # ---- hg commit
-        if files_to_commit:
-            matcher = match.match(self.repo.root, self.repo.root, files_to_commit, default='path')
-            rev = self.repo.commit(message, user=user, match=matcher)
-            commited = True
-        # clean pending keys
-        for key in pending_files:
-            self._pending_files.remove(key)
-        # if commited:
-            # reread keys
-            # self._keys = self.get_persisted_objects_keys()
-            # return node.hex(rev)
-            
\ No newline at end of file
+        return self.repo.wread(path)
+
+    def file_exists(self, path, branch):
+        return self.in_branch(lambda: self._file_exists(path), branch)
+
+    def _file_exists(self, path):
+        return self.repo.dirstate[path] != "?"
+
+    def write_file(self, path, value, branch):
+        return self.in_branch(lambda: self._write_file(path, value), branch)
+
+    def _write_file(self, path, value):        
+        return self.repo.wwrite(path, value, [])
+
+    def add_file(self, path, value, branch):
+        return self.in_branch(lambda: self._add_file(path, value), branch)
+
+    def _add_file(self, path, value):
+        self._write_file(path, value)
+        return self.repo.add( [path] )
+
+    def _commit(self, message, user=None):
+        return self.repo.commit(text=message, user=user)
+    
+    def commit(self, message, branch, user=None):
+        return self.in_branch(lambda: self._commit(message, key=key, user=user), branch)
+
+    def in_branch(self, action, bname):
+        wlock = self.repo.wlock()
+        try:
+            old = self._switch_to_branch(bname)
+            try:
+                # do some stuff
+                return action()
+            finally:
+                self._switch_to_branch(old)
+        finally:
+            wlock.release()
+
+    def _switch_to_branch(self, bname, create=True):
+        wlock = self.repo.wlock()
+        try:
+            current = self.repo[None].branch()
+            if current == bname:
+                return current
+            try:
+                tip = self.repo.branchtags()[bname]
+            except KeyError, ke:
+                if not create: raise ke
+                
+                # create the branch on the fly
+
+                # first switch to default branch
+                default_tip = self.repo.branchtags()['default']
+                mercurial.merge.update(self.repo, default_tip, False, True, None)
+
+                # set the dirstate to new branch
+                self.repo.dirstate.setbranch(bname)
+                self._commit('Initial commit for automatic branch "%s".' % bname, user="django-admin")
+
+                # collect the new tip
+                tip = self.repo.branchtags()[bname]
+
+            upstats = mercurial.merge.update(self.repo, tip, False, True, None)
+            return current
+        except KeyError, ke:
+            raise RepositoryException("Can't switch to branch '%s': no such branch." % bname , ke)
+        except util.Abort, ae:
+            raise RepositoryException("Can't switch to branch '%s': %s"  % (bname, ae.message), ae)
+        finally:
+            wlock.release()
+
+    def write_lock(self):
+        """Returns w write lock to the repository."""
+        return self.repo.wlock()
+
+
+class RepositoryException(Exception):
+
+    def __init__(self, msg, cause=None):
+        Exception.__init__(self, msg)
+        self.cause = cause
+
+class RepositoryDoesNotExist(RepositoryException):
+    pass