Move most of the OBS SCM code to obs_scm submodule

osc/obs_scm/__init__.py

@@ -0,0 +1,6 @@
+from .file import File
+from .linkinfo import Linkinfo
+from .package import Package
+from .project import Project
+from .serviceinfo import Serviceinfo
+from .store import Store

osc/obs_scm/file.py

@@ -0,0 +1,57 @@
+from functools import total_ordering
+
+from ..util.xml import ET
+
+
+@total_ordering
+class File:
+    """represent a file, including its metadata"""
+
+    def __init__(self, name, md5, size, mtime, skipped=False):
+        self.name = name
+        self.md5 = md5
+        self.size = size
+        self.mtime = mtime
+        self.skipped = skipped
+
+    def __repr__(self):
+        return self.name
+
+    def __str__(self):
+        return self.name
+
+    def __eq__(self, other):
+        if isinstance(other, str):
+            return self.name == other
+        self_data = (self.name, self.md5, self.size, self.mtime, self.skipped)
+        other_data = (other.name, other.md5, other.size, other.mtime, other.skipped)
+        return self_data == other_data
+
+    def __lt__(self, other):
+        self_data = (self.name, self.md5, self.size, self.mtime, self.skipped)
+        other_data = (other.name, other.md5, other.size, other.mtime, other.skipped)
+        return self_data < other_data
+
+    @classmethod
+    def from_xml_node(cls, node):
+        assert node.tag == "entry"
+        kwargs = {
+            "name": node.get("name"),
+            "md5": node.get("md5"),
+            "size": int(node.get("size")),
+            "mtime": int(node.get("mtime")),
+            "skipped": "skipped" in node.attrib,
+        }
+        return cls(**kwargs)
+
+    def to_xml_node(self, parent_node):
+        attributes = {
+            "name": self.name,
+            "md5": self.md5,
+            "size": str(int(self.size)),
+            "mtime": str(int(self.mtime)),
+        }
+        if self.skipped:
+            attributes["skipped"] = "true"
+        new_node = ET.SubElement(parent_node, "entry", attributes)
+        return new_node

osc/obs_scm/linkinfo.py

@@ -0,0 +1,63 @@
+class Linkinfo:
+    """linkinfo metadata (which is part of the xml representing a directory)
+    """
+
+    def __init__(self):
+        """creates an empty linkinfo instance"""
+        self.project = None
+        self.package = None
+        self.xsrcmd5 = None
+        self.lsrcmd5 = None
+        self.srcmd5 = None
+        self.error = None
+        self.rev = None
+        self.baserev = None
+
+    def read(self, linkinfo_node):
+        """read in the linkinfo metadata from the ``<linkinfo>`` element passed as
+        elementtree node.
+        If the passed element is ``None``, the method does nothing.
+        """
+        if linkinfo_node is None:
+            return
+        self.project = linkinfo_node.get('project')
+        self.package = linkinfo_node.get('package')
+        self.xsrcmd5 = linkinfo_node.get('xsrcmd5')
+        self.lsrcmd5 = linkinfo_node.get('lsrcmd5')
+        self.srcmd5 = linkinfo_node.get('srcmd5')
+        self.error = linkinfo_node.get('error')
+        self.rev = linkinfo_node.get('rev')
+        self.baserev = linkinfo_node.get('baserev')
+
+    def islink(self):
+        """:return: ``True`` if the linkinfo is not empty, otherwise ``False``"""
+        if self.xsrcmd5 or self.lsrcmd5 or self.error is not None:
+            return True
+        return False
+
+    def isexpanded(self):
+        """:return: ``True`` if the package is an expanded link"""
+        if self.lsrcmd5 and not self.xsrcmd5:
+            return True
+        return False
+
+    def haserror(self):
+        """:return: ``True`` if the link is in error state (could not be applied)"""
+        if self.error:
+            return True
+        return False
+
+    def __str__(self):
+        """return an informatory string representation"""
+        if self.islink() and not self.isexpanded():
+            return 'project %s, package %s, xsrcmd5 %s, rev %s' \
+                % (self.project, self.package, self.xsrcmd5, self.rev)
+        elif self.islink() and self.isexpanded():
+            if self.haserror():
+                return 'broken link to project %s, package %s, srcmd5 %s, lsrcmd5 %s: %s' \
+                    % (self.project, self.package, self.srcmd5, self.lsrcmd5, self.error)
+            else:
+                return 'expanded link to project %s, package %s, srcmd5 %s, lsrcmd5 %s' \
+                    % (self.project, self.package, self.srcmd5, self.lsrcmd5)
+        else:
+            return 'None'