diff --git a/src/bcf/bcf/v3/bcfxml.py b/src/bcf/bcf/v3/bcfxml.py
index e69de29bb2..110e6866e2 100644
--- a/src/bcf/bcf/v3/bcfxml.py
+++ b/src/bcf/bcf/v3/bcfxml.py
@@ -0,0 +1,106 @@
+import os
+import uuid
+import shutil
+import zipfile
+import logging
+import tempfile
+import bcf.v3.data
+from datetime import datetime
+from xml.dom import minidom
+from xmlschema import XMLSchema
+from contextlib import contextmanager
+from shutil import copyfile
+
+cwd = os.path.dirname(os.path.realpath(__file__))
+
+
+@contextmanager
+def cd(newdir):
+ prevdir = os.getcwd()
+ os.chdir(os.path.expanduser(newdir))
+ try:
+ yield
+ finally:
+ os.chdir(prevdir)
+
+
+class BcfXml:
+ def __init__(self):
+ self.filepath = None
+ self.logger = logging.getLogger("bcfxml")
+ self.author = "john@doe.com"
+ self.project = bcf.v3.data.Project()
+ self.version = "3.0"
+ self.topics = {}
+
+ def new_project(self):
+ self.project.project_id = str(uuid.uuid4())
+ self.project.name = "New Project"
+ self.topics = {}
+ if self.filepath:
+ self.close_project()
+ self.filepath = tempfile.mkdtemp()
+ self.edit_project()
+ self.edit_version()
+
+ def get_project(self, filepath=None):
+ if os.path.isfile(os.path.join(self.filepath, "project.bcfp")):
+ data = self._read_xml("project.bcfp", "project.xsd")
+ self.project.project_id = data["Project"]["@ProjectId"]
+ self.project.name = data["Project"].get("Name")
+ return self.project
+
+ def edit_project(self):
+ self.document = minidom.Document()
+ root = self._create_element(self.document, "ProjectInfo")
+ project = self._create_element(root, "Project", {"ProjectId": self.project.project_id})
+ if self.project.name:
+ self._create_element(project, "Name", text=self.project.name)
+ with open(os.path.join(self.filepath, "project.bcfp"), "wb") as f:
+ f.write(self.document.toprettyxml(encoding="utf-8"))
+
+ def save_project(self, filepath):
+ with cd(self.filepath):
+ zip_file = zipfile.ZipFile(filepath, "w", zipfile.ZIP_DEFLATED)
+ for root, dirs, files in os.walk("./"):
+ for file in files:
+ zip_file.write(os.path.join(root, file))
+ zip_file.close()
+
+ def get_version(self):
+ data = self._read_xml("bcf.version", "version.xsd")
+ self.version = data["@VersionId"]
+ return self.version
+
+ def edit_version(self):
+ self.document = minidom.Document()
+ root = self._create_element(self.document, "Version", {"VersionId": self.version})
+ with open(os.path.join(self.filepath, "bcf.version"), "wb") as f:
+ f.write(self.document.toprettyxml(encoding="utf-8"))
+
+ def close_project(self):
+ shutil.rmtree(self.filepath)
+
+ def _read_xml(self, filename, xsd):
+ schema = XMLSchema(os.path.join(cwd, "xsd", xsd))
+ filepath = os.path.join(self.filepath, filename)
+ (data, errors) = schema.to_dict(filepath, validation="lax")
+ for error in errors:
+ self.logger.error(error)
+ return data
+
+ def _create_element(self, parent, name, attributes={}, text=None):
+ element = self.document.createElement(name)
+ for key, value in attributes.items():
+ if isinstance(value, bool):
+ element.setAttribute(key, str(value).lower())
+ elif value:
+ element.setAttribute(key, value)
+ if text is not None:
+ text = self.document.createTextNode(str(text))
+ element.appendChild(text)
+ parent.appendChild(element)
+ return element
+
+ def __del__(self):
+ self.close_project()
diff --git a/src/bcf/bcf/v3/data.py b/src/bcf/bcf/v3/data.py
index e69de29bb2..ab073e52b7 100644
--- a/src/bcf/bcf/v3/data.py
+++ b/src/bcf/bcf/v3/data.py
@@ -0,0 +1,4 @@
+class Project:
+ def __init__(self):
+ self.project_id = ""
+ self.name = ""
\ No newline at end of file
diff --git a/src/bcf/bcf/v3/xsd/documents.xsd b/src/bcf/bcf/v3/xsd/documents.xsd
new file mode 100644
index 0000000000..f02331f65c
--- /dev/null
+++ b/src/bcf/bcf/v3/xsd/documents.xsd
@@ -0,0 +1,31 @@
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diff --git a/src/bcf/bcf/v3/xsd/extensions.xsd b/src/bcf/bcf/v3/xsd/extensions.xsd
new file mode 100644
index 0000000000..f22f79d88d
--- /dev/null
+++ b/src/bcf/bcf/v3/xsd/extensions.xsd
@@ -0,0 +1,60 @@
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diff --git a/src/bcf/bcf/v3/xsd/markup.xsd b/src/bcf/bcf/v3/xsd/markup.xsd
new file mode 100644
index 0000000000..59185058a3
--- /dev/null
+++ b/src/bcf/bcf/v3/xsd/markup.xsd
@@ -0,0 +1,174 @@
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diff --git a/src/bcf/bcf/v3/xsd/project.xsd b/src/bcf/bcf/v3/xsd/project.xsd
new file mode 100644
index 0000000000..9383d037df
--- /dev/null
+++ b/src/bcf/bcf/v3/xsd/project.xsd
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diff --git a/src/bcf/bcf/v3/xsd/shared-types.xsd b/src/bcf/bcf/v3/xsd/shared-types.xsd
new file mode 100644
index 0000000000..93dd4843fb
--- /dev/null
+++ b/src/bcf/bcf/v3/xsd/shared-types.xsd
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diff --git a/src/bcf/bcf/v3/xsd/version.xsd b/src/bcf/bcf/v3/xsd/version.xsd
new file mode 100644
index 0000000000..608b45fa71
--- /dev/null
+++ b/src/bcf/bcf/v3/xsd/version.xsd
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diff --git a/src/bcf/bcf/v3/xsd/visinfo.xsd b/src/bcf/bcf/v3/xsd/visinfo.xsd
new file mode 100644
index 0000000000..49ef666712
--- /dev/null
+++ b/src/bcf/bcf/v3/xsd/visinfo.xsd
@@ -0,0 +1,220 @@
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+ VisualizationInfo documentation
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+ Vertical field of view, in degrees.
+ It is currently limited to a value between 45 and 60 degrees.
+ This limitation will be dropped in the next release and viewers
+ should be expect values outside this range in current implementations.
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