1 files changed, 134 insertions, 0 deletions
diff --git a/lib/git/blob.py b/lib/git/blob.py
new file mode 100644
index 00000000..134cb93d
--- /dev/null
+++ b/lib/git/blob.py
@@ -0,0 +1,134 @@
+import mimetypes
+import os
+import re
+import time
+from actor import Actor
+from commit import Commit
+
+class Blob(object):
+    DEFAULT_MIME_TYPE = "text/plain"
+
+    def __init__(self, repo, **kwargs):
+        """
+        Create an unbaked Blob containing just the specified attributes
+
+        ``repo``
+            is the Repo
+
+        ``atts``
+            is a dict of instance variable data
+
+        Returns
+            GitPython.Blob
+        """
+        self.id = None
+        self.mode = None
+        self.name = None
+        self._size = None
+        self.data_stored  = None
+
+        self.repo = repo
+        for k, v in kwargs.items():
+            setattr(self, k, v)
+
+    @property
+    def size(self):
+        """
+        The size of this blob in bytes
+
+        Returns
+            int
+        """
+        if self._size is None:
+            self._size = int(self.repo.git.cat_file(self.id, **{'s': True}).rstrip())
+        return self._size
+
+    @property
+    def data(self):
+        """
+        The binary contents of this blob.
+
+        Returns
+            str
+        """
+        self.data_stored = self.data_stored or self.repo.git.cat_file(self.id, **{'p': True})
+        return self.data_stored
+
+    @property
+    def mime_type(self):
+        """
+        The mime type of this file (based on the filename)
+
+        Returns
+            str
+        """
+        guesses = None
+        if self.name:
+            guesses = mimetypes.guess_type(self.name)
+        return guesses and guesses[0] or self.DEFAULT_MIME_TYPE
+
+    @property
+    def basename(self):
+      return os.path.basename(self.name)
+
+    @classmethod
+    def blame(cls, repo, commit, file):
+        """
+        The blame information for the given file at the given commit
+
+        Returns
+            list: [GitPython.Commit, list: [<line>]]
+        """
+        data = repo.git.blame(commit, '--', file, **{'p': True})
+        commits = {}
+        blames = []
+        info = None
+
+        for line in data.splitlines():
+            parts = re.split(r'\s+', line, 1)
+            if re.search(r'^[0-9A-Fa-f]{40}$', parts[0]):
+                if re.search(r'^([0-9A-Fa-f]{40}) (\d+) (\d+) (\d+)$', line):
+                    m = re.search(r'^([0-9A-Fa-f]{40}) (\d+) (\d+) (\d+)$', line)
+                    id, origin_line, final_line, group_lines = m.groups()
+                    info = {'id': id}
+                    blames.append([None, []])
+                elif re.search(r'^([0-9A-Fa-f]{40}) (\d+) (\d+)$', line):
+                    m = re.search(r'^([0-9A-Fa-f]{40}) (\d+) (\d+)$', line)
+                    id, origin_line, final_line = m.groups()
+                    info = {'id': id}
+            elif re.search(r'^(author|committer)', parts[0]):
+                if re.search(r'^(.+)-mail$', parts[0]):
+                    m = re.search(r'^(.+)-mail$', parts[0])
+                    info["%s_email" % m.groups()[0]] = parts[-1]
+                elif re.search(r'^(.+)-time$', parts[0]):
+                    m = re.search(r'^(.+)-time$', parts[0])
+                    info["%s_date" % m.groups()[0]] = time.gmtime(int(parts[-1]))
+                elif re.search(r'^(author|committer)$', parts[0]):
+                    m = re.search(r'^(author|committer)$', parts[0])
+                    info[m.groups()[0]] = parts[-1]
+            elif re.search(r'^filename', parts[0]):
+                info['filename'] = parts[-1]
+            elif re.search(r'^summary', parts[0]):
+                info['summary'] = parts[-1]
+            elif parts[0] == '':
+                if info:
+                    c = commits.has_key(info['id']) and commits[info['id']]
+                    if not c:
+                        c = Commit(repo, **{'id': info['id'],
+                                            'author': Actor.from_string(info['author'] + ' ' + info['author_email']),
+                                            'authored_date': info['author_date'],
+                                            'committer': Actor.from_string(info['committer'] + ' ' + info['committer_email']),
+                                            'committed_date': info['committer_date'],
+                                            'message': info['summary']})
+                        commits[info['id']] = c
+
+                    m = re.search(r'^\t(.*)$', line)
+                    text,  = m.groups()
+                    blames[-1][0] = c
+                    blames[-1][1] += text
+                    info = None
+
+        return blames
+
+    def __repr__(self):
+        return '<GitPython.Blob "%s">' % self.id