diff --git a/.gitignore b/.gitignore
index b2007f31..e1948278 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,19 @@ env
 build
 build_*
 logs_*
-database
+database/*
+!database/artix7
+database/artix7/*
+!database/artix7/mapping
+!database/kintex7
+database/kintex7/*
+!database/kintex7/mapping
+!database/zynq7
+database/zynq7/*
+!database/zynq7/mapping
+!database/spartan7
+database/spartan7/*
+!database/spartan7/mapping
 .Xil
 **/specimen_*
 **/output
diff --git a/Makefile b/Makefile
index b76f07aa..5b1e5023 100644
--- a/Makefile
+++ b/Makefile
@@ -199,16 +199,11 @@ db-extras-artix7-parts: $(addprefix db-part-only-,$(ARTIX_PARTS))
 #    override the XRAY_PIN_0X setting below to pick a pin that *is* bonded.
 db-extras-artix7-harness:
 	+source settings/artix7.sh && \
-		XRAY_PIN_00=N15 XRAY_PART=xc7a100tcsg324-1 XRAY_EQUIV_PART=xc7a100tfgg676-1 \
-		$(MAKE) -C fuzzers roi_only
+		XRAY_PART=xc7a100tcsg324-1 $(MAKE) -C fuzzers roi_only
 	+source settings/artix7_50t.sh && \
-		XRAY_PIN_00=J13 XRAY_PIN_01=J14 XRAY_PIN_02=K15 XRAY_PIN_03=K16 \
-		XRAY_PART=xc7a35tftg256-1 XRAY_EQUIV_PART=xc7a50tfgg484-1 \
-		$(MAKE) -C fuzzers roi_only
+		XRAY_PART=xc7a35tftg256-1 $(MAKE) -C fuzzers roi_only
 	+source settings/artix7_200t.sh && \
-		XRAY_PIN_00=V10 XRAY_PIN_01=W10 XRAY_PIN_02=Y11 XRAY_PIN_03=Y12 \
-		XRAY_PART=xc7a200tsbg484-1 XRAY_EQUIV_PART=xc7a200tffg1156-1 \
-		$(MAKE) -C fuzzers roi_only
+		XRAY_PART=xc7a200tsbg484-1 $(MAKE) -C fuzzers roi_only
 	+source minitests/roi_harness/basys3-swbut.sh && $(MAKE) -C fuzzers roi_only
 	+source minitests/roi_harness/arty-uart.sh && $(MAKE) -C fuzzers roi_only
 	+source minitests/roi_harness/basys3-swbut.sh && \
@@ -238,9 +233,7 @@ db-extras-zynq7-parts: $(addprefix db-part-only-,$(ZYNQ_PARTS))
 
 db-extras-zynq7-harness:
 	+source settings/zynq7.sh && \
-                XRAY_PIN_00=T9 XRAY_PIN_01=P14 XRAY_PIN_02=T14 XRAY_PIN_03=R18 \
-                XRAY_PART=xc7z020clg400-1 XRAY_EQUIV_PART=xc7z020clg484-1 \
-                $(MAKE) -C fuzzers roi_only
+		XRAY_PART=xc7z020clg400-1 $(MAKE) -C fuzzers roi_only
 db-check:
 	@true
 
diff --git a/database/artix7/mapping/devices.yaml b/database/artix7/mapping/devices.yaml
new file mode 100644
index 00000000..afd0c798
--- /dev/null
+++ b/database/artix7/mapping/devices.yaml
@@ -0,0 +1,9 @@
+# device to fabric mapping
+"xc7a200t":
+  fabric: "xc7a200t"
+"xc7a100t":
+  fabric: "xc7a100t"
+"xc7a50t":
+  fabric: "xc7a50t"
+"xc7a35t":
+  fabric: "xc7a50t"
diff --git a/database/artix7/mapping/parts.yaml b/database/artix7/mapping/parts.yaml
new file mode 100644
index 00000000..fc2bf34a
--- /dev/null
+++ b/database/artix7/mapping/parts.yaml
@@ -0,0 +1,33 @@
+# part number to device, package and speed grade mapping
+"xc7a200tffg1156-1":
+  device: "xc7a200t"
+  package: "ffg1156"
+  speedgrade: "1"
+"xc7a200tsbg484-1":
+  device: "xc7a200t"
+  package: "sbg484"
+  speedgrade: "1"
+"xc7a100tfgg676-1":
+  device: "xc7a100t"
+  package: "fgg676"
+  speedgrade: "1"
+"xc7a100tcsg324-1":
+  device: "xc7a100t"
+  package: "csg324"
+  speedgrade: "1"
+"xc7a50tfgg484-1":
+  device: "xc7a50t"
+  package: "fgg484"
+  speedgrade: "1"
+"xc7a35tcsg324-1":
+  device: "xc7a35t"
+  package: "csg324"
+  speedgrade: "1"
+"xc7a35tftg256-1":
+  device: "xc7a35t"
+  package: "ftg256"
+  speedgrade: "1"
+"xc7a35tcpg236-1":
+  device: "xc7a35t"
+  package: "cpg236"
+  speedgrade: "1"
diff --git a/database/kintex7/mapping/devices.yaml b/database/kintex7/mapping/devices.yaml
new file mode 100644
index 00000000..e889e781
--- /dev/null
+++ b/database/kintex7/mapping/devices.yaml
@@ -0,0 +1,3 @@
+# device to fabric mapping
+"xc7k70t":
+  fabric: "xc7k70t"
diff --git a/database/kintex7/mapping/parts.yaml b/database/kintex7/mapping/parts.yaml
new file mode 100644
index 00000000..7fb18033
--- /dev/null
+++ b/database/kintex7/mapping/parts.yaml
@@ -0,0 +1,5 @@
+# part number to device, package and speed grade mapping
+"xc7k70tfbg676-2":
+  device: "xc7k70t"
+  package: "fbg676"
+  speedgrade: "2"
diff --git a/database/zynq7/mapping/devices.yaml b/database/zynq7/mapping/devices.yaml
new file mode 100644
index 00000000..f780df42
--- /dev/null
+++ b/database/zynq7/mapping/devices.yaml
@@ -0,0 +1,5 @@
+# device to fabric mapping
+"xc7z020s":
+  fabric: "xc7z020s"
+"xc7z010s":
+  fabric: "xc7z010s"
diff --git a/database/zynq7/mapping/parts.yaml b/database/zynq7/mapping/parts.yaml
new file mode 100644
index 00000000..538f8e0e
--- /dev/null
+++ b/database/zynq7/mapping/parts.yaml
@@ -0,0 +1,13 @@
+# part number to device, package and speed grade mapping
+"xc7z020clg484-1":
+  device: "xc7z020s"
+  package: "clg481"
+  speedgrade: "1"
+"xc7z020clg400-1":
+  device: "xc7z020s"
+  package: "clg400"
+  speedgrade: "1"
+"xc7z010clg400-1":
+  device: "xc7z010s"
+  package: "clg400"
+  speedgrade: "1"
diff --git a/docs/db_dev_process/newpart.rst b/docs/db_dev_process/newpart.rst
index 73f066e5..ff4a974e 100644
--- a/docs/db_dev_process/newpart.rst
+++ b/docs/db_dev_process/newpart.rst
@@ -11,7 +11,7 @@ needed. You just need to rerun some fuzzers for the new device to
 understand how the tiles are connected to each other and to IOs.
 
 *If you are*\ \  **just**\ \  *adding a new package for a device that is
-already supported, you can skip Steps 2 through 4.*
+already supported, you can skip Steps 2 through 5.*
 
 Note: Since this guide was written, the xc7a100t has become the primary
 device in the database, not a secondary device as it was when it was
@@ -88,14 +88,7 @@ Update the following values in the new settings file:
    `comments <https://github.com/SymbiFlow/prjxray/blob/master/fuzzers/005-tilegrid/generate_full.py#L401>`__
    in the 005 fuzzer for more information.
 
--  ``XRAY_PIN_00`` – this must be a clock pin. You can look at the device in the Vivado GUI
-   interactively (click on IOs and check their properties until you find
-   one with IS_CLOCK=true), or run a small clocked design in Vivado and see
-   which pin is assigned to ‘clk’.
-
--  ``XRAY_PIN_01`` and on – these should be normal data pins on the device.
-
-`This <https://github.com/tcal-x/prjxray/blob/fbf4dd897d5a1025ebfeb7c51c5077a6b6c9bc47/settings/artix7_100t.sh>`__
+`This <https://github.com/SymbiFlow/prjxray/blob/master/settings/artix7_100t.sh>`__
 is what the new settings file looked like in the example.
 
 Source this new settings file:
@@ -107,6 +100,54 @@ Source this new settings file:
 Step 3
 ~~~~~~
 
+Add all informations about the part. YAML files for each family are located
+at database/<family>/mapping/, which contain the part information (parts.yaml),
+device to fabric mapping (devices.yaml) or hints about resources
+(resources.yaml).
+
+The first file contains a mapping between a part number and informations
+about the device, package and speed grade used by the fuzzers. The
+complete part number is used as key. Device, package and speedgrade are parts
+of the part numbers.
+
+::
+  "xc7a100tcsg324-1":
+    device: "xc7a100t"
+    package: "csg324"
+    speedgrade: "1"
+    pins:
+      0: "N15"
+      1: "U17"
+      2: "V17"
+      3: "V16"
+      4: "V14"
+      5: "U14"
+      6: "U16"
+
+The second file maps devices to fabrics. Because some fabrics are added to
+multiple devices, they are only generated for one and parts with the same link
+to the result.
+
+::
+  "xc7a50t":
+    fabric: "xc7a50t"
+  "xc7a35t":
+    fabric: "xc7a50t"
+
+The last file contains information about the information about a resource
+to support the fuzzers generating the informations. The dictionary pins
+defines package pins with the following purpose:
+
+-  ``00`` – this must be a clock pin. You can look at the device in the Vivado
+   GUI interactively (click on IOs and check their properties until you find
+   one with IS_CLOCK=true), or run a small clocked design in Vivado and see
+   which pin is assigned to ‘clk’.
+
+-  ``01`` and on – these should be normal data pins on the device.
+
+Step 4
+~~~~~~
+
 Edit the top Makefile
 
 -  Update the Makefile by adding the new device to the `correct
@@ -125,7 +166,7 @@ Edit the top Makefile
 
    ARTIX_PARTS=artix7_200t artix7_100t
 
-Step 4
+Step 5
 ~~~~~~
 
 Make sure you’ve sourced your new device settings file (see the end of
@@ -176,7 +217,7 @@ file that was added. For example,
 -  Rerun the top make command,
    e.g. ``make -j32 MAX_VIVADO_PROCESS=32 db-part-only-artix7_100t``
 
-Step 5
+Step 6
 ~~~~~~
 
 The next task is handling the extra parts – those not fully bonded out.
@@ -194,13 +235,9 @@ These are usually the parts you actually have on the boards you buy.
 
    db-extras-artix7-harness:
        +source settings/artix7.sh && \
-             XRAY_PIN_00=J13 XRAY_PIN_01=J14 XRAY_PIN_02=K15 XRAY_PIN_03=K16 \
-             XRAY_PART=xc7a35tftg256-1 XRAY_EQUIV_PART=xc7a50tfgg484-1 \
-             $(MAKE) -C fuzzers roi_only
+             XRAY_PART=xc7a35tftg256-1 $(MAKE) -C fuzzers roi_only
    +   +source settings/artix7_100t.sh && \
-   +         XRAY_PIN_00=N15 \
-   +         XRAY_PART=xc7a100tcsg324-1 XRAY_EQUIV_PART=xc7a100tfgg676-1 \
-   +         $(MAKE) -C fuzzers roi_only
+   +         XRAY_PART=xc7a100tcsg324-1 $(MAKE) -C fuzzers roi_only
        +source settings/artix7_200t.sh && \
              XRAY_PIN_00=V10 XRAY_PIN_01=W10 XRAY_PIN_02=Y11 XRAY_PIN_03=Y12 \
              XRAY_PART=xc7a200tsbg484-1 XRAY_EQUIV_PART=xc7a200tffg1156-1 \
@@ -215,7 +252,7 @@ Make the appropriate harness target (adjusting for your family):
 This target will make updates for the extra parts of all of the family
 devices, not just your new device.
 
-Step 6
+Step 7
 ~~~~~~
 
 Do a spot check.
@@ -224,26 +261,24 @@ Do a spot check.
 
 ::
 
-   $ ll database/artix7/xc7a100*
-   database/artix7/xc7a100tcsg324-1:
-   total 19884
-   drwxrwxr-x  2 tcal tcal     4096 Apr 29 08:01 ./
-   drwxrwxr-x 13 tcal tcal    32768 Apr 29 08:00 ../
-   -rw-rw-r--  1 tcal tcal    10364 Apr 29 08:00 package_pins.csv
-   -rw-rw-r--  1 tcal tcal    32142 Apr 29 08:01 part.json
-   -rw-rw-r--  1 tcal tcal    22440 Apr 29 08:01 part.yaml
-   -rw-rw-r--  1 tcal tcal  8601612 Apr 29 08:01 tileconn.json
-   -rw-rw-r--  1 tcal tcal 11648042 Apr 29 08:01 tilegrid.json
+   $ ll database/artix7/xc7a*
+   xc7a35tftg256-1:
+   total 48
+   -rw-rw-r-- 1 daniel daniel  8234 Jan  9 13:01 package_pins.csv
+   -rw-rw-r-- 1 daniel daniel 18816 Jan  9 13:01 part.json
+   -rw-rw-r-- 1 daniel daniel 13099 Jan  9 13:01 part.yaml
 
-   database/artix7/xc7a100tfgg676-1:
-   total 19892
-   drwxrwxr-x  2 tcal tcal     4096 Apr 29 02:03 ./
-   drwxrwxr-x 13 tcal tcal    32768 Apr 29 08:00 ../
-   -rw-rw-r--  1 tcal tcal    16645 Apr 28 22:16 package_pins.csv
-   -rw-rw-r--  1 tcal tcal    32165 Apr 28 22:17 part.json
-   -rw-rw-r--  1 tcal tcal    22440 Apr 28 22:17 part.yaml
-   -rw-rw-r--  1 tcal tcal  8601612 Apr 29 02:03 tileconn.json
-   -rw-rw-r--  1 tcal tcal 11648042 Apr 28 22:37 tilegrid.json
+   xc7a50t:
+   total 15480
+   -rw-rw-r-- 1 daniel daniel  695523 Jan  9 12:53 node_wires.json
+   -rw-rw-r-- 1 daniel daniel 8587682 Jan  9 12:53 tileconn.json
+   -rw-rw-r-- 1 daniel daniel 6562851 Jan  9 10:31 tilegrid.json
+
+   xc7a50tfgg484-1:
+   total 52
+   -rw-rw-r-- 1 daniel daniel 13056 Jan  9 09:54 package_pins.csv
+   -rw-rw-r-- 1 daniel daniel 18840 Jan  9 09:58 part.json
+   -rw-rw-r-- 1 daniel daniel 13099 Jan  9 09:58 part.yaml
 
 In this case, the tile grid is the same size since it’s the same chip,
 but the size of the package pins files differs, since there are
@@ -255,7 +290,7 @@ that your changes in ``prjxray`` will do the right thing when the
 official database is fully rebuilt. See “Database Updates” below for
 more information.
 
-Step 7
+Step 8
 ~~~~~~
 
 Assuming everything looks good, commit to your ``prjxray`` fork/branch.
@@ -270,7 +305,7 @@ of the example for reference).
    git status
    git commit --signoff
 
-Step 8
+Step 9
 ~~~~~~
 
 Push to GitHub:
diff --git a/fuzzers/000-init-db/Makefile b/fuzzers/000-init-db/Makefile
index 2cb3a41a..033ed989 100644
--- a/fuzzers/000-init-db/Makefile
+++ b/fuzzers/000-init-db/Makefile
@@ -97,7 +97,10 @@ $(DB_FILES_PATH):
 ${XRAY_FAMILY_DIR}/${XRAY_PART}:
 	mkdir -p ${XRAY_FAMILY_DIR}/${XRAY_PART}
 
-pushdb: $(DB_FILES_PATH) ${XRAY_FAMILY_DIR}/${XRAY_PART}
+${XRAY_FAMILY_DIR}/${XRAY_FABRIC}:
+	mkdir -p ${XRAY_FAMILY_DIR}/${XRAY_FABRIC}
+
+pushdb: $(DB_FILES_PATH) ${XRAY_FAMILY_DIR}/${XRAY_PART} ${XRAY_FAMILY_DIR}/${XRAY_FABRIC}
 	@true
 
 run:
diff --git a/fuzzers/005-tilegrid/Makefile b/fuzzers/005-tilegrid/Makefile
index 8fed74de..a155ba6e 100644
--- a/fuzzers/005-tilegrid/Makefile
+++ b/fuzzers/005-tilegrid/Makefile
@@ -49,22 +49,23 @@ else
 TILEGRID_TDB_DEPENDENCIES += dsp_int/$(BUILD_FOLDER)/segbits_tilegrid.tdb
 endif
 
-BASICDB_TILEGRID=$(BUILD_FOLDER)/basicdb/${XRAY_PART}/tilegrid.json
+BASICDB_TILEGRID=$(BUILD_FOLDER)/basicdb/${XRAY_FABRIC}/tilegrid.json
 
 database: $(BUILD_FOLDER)/tilegrid.json
 
 pushdb: $(BUILD_FOLDER)/tilegrid.json
-	cp $(BUILD_FOLDER)/tilegrid.json ${XRAY_FAMILY_DIR}/${XRAY_PART}/tilegrid.json
+	cp $(BUILD_FOLDER)/tilegrid.json ${XRAY_FAMILY_DIR}/${XRAY_FABRIC}/tilegrid.json
 
 $(BUILD_FOLDER)/tiles/tiles.txt:
 	bash generate.sh $(BUILD_FOLDER)/tiles tiles
 
 ${BASICDB_TILEGRID}: generate.py $(BUILD_FOLDER)/tiles/tiles.txt
-	mkdir -p $(BUILD_FOLDER)/basicdb/${XRAY_PART}
+	mkdir -p $(BUILD_FOLDER)/basicdb/${XRAY_FABRIC}
+	ln -sf $(XRAY_DATABASE_DIR)/$(XRAY_DATABASE)/mapping $(BUILD_FOLDER)/basicdb/
 	cd $(BUILD_FOLDER) && python3 ${FUZDIR}/generate.py \
 		--tiles $(BUILD_DIR)/tiles/tiles.txt \
 		--pin_func $(BUILD_DIR)/tiles/pin_func.txt \
-		--out ${BUILD_DIR}/basicdb/${XRAY_PART}/tilegrid.json
+		--out ${BUILD_DIR}/basicdb/${XRAY_FABRIC}/tilegrid.json
 
 clb/$(BUILD_FOLDER)/segbits_tilegrid.tdb: ${BASICDB_TILEGRID}
 	cd clb && $(MAKE)
diff --git a/fuzzers/074-dump_all/Makefile b/fuzzers/074-dump_all/Makefile
index ed9b8d52..d2dcabd5 100644
--- a/fuzzers/074-dump_all/Makefile
+++ b/fuzzers/074-dump_all/Makefile
@@ -21,8 +21,8 @@ pushdb:
 	cp $(BUILD_DIR)/output/tile_type_*.json ${XRAY_FAMILY_DIR}/
 	rm ${XRAY_FAMILY_DIR}/tile_type_*_site_type_*.json
 	cp $(BUILD_DIR)/output/site_type_*.json ${XRAY_FAMILY_DIR}/
-	cp $(BUILD_DIR)/output/tileconn.json ${XRAY_FAMILY_DIR}/$(XRAY_PART)/
-	cp $(BUILD_DIR)/output/node_wires.json ${XRAY_FAMILY_DIR}/$(XRAY_PART)/
+	cp $(BUILD_DIR)/output/tileconn.json ${XRAY_FAMILY_DIR}/$(XRAY_FABRIC)/
+	cp $(BUILD_DIR)/output/node_wires.json ${XRAY_FAMILY_DIR}/$(XRAY_FABRIC)/
 
 $(SPECIMENS_OK):
 	bash generate.sh $(subst /OK,,$@) -p=$(MAX_VIVADO_PROCESS) -t=$(MAX_TILES_INSTANCE) -n=$(MAX_NODES_INSTANCE)
diff --git a/fuzzers/074-dump_all/check_nodes.py b/fuzzers/074-dump_all/check_nodes.py
index f4f4d391..6be280ea 100644
--- a/fuzzers/074-dump_all/check_nodes.py
+++ b/fuzzers/074-dump_all/check_nodes.py
@@ -59,7 +59,7 @@ def main():
     args = parser.parse_args()
 
     print('{} Reading tilegrid'.format(datetime.datetime.now()))
-    with open(os.path.join(util.get_db_root(), util.get_part(),
+    with open(os.path.join(util.get_db_root(), util.get_fabric(),
                            'tilegrid.json')) as f:
         tilegrid = json.load(f)
         grid = Grid(db=None, tilegrid=tilegrid)
diff --git a/fuzzers/074-dump_all/generate_grid.py b/fuzzers/074-dump_all/generate_grid.py
index 86754255..0c670e0b 100644
--- a/fuzzers/074-dump_all/generate_grid.py
+++ b/fuzzers/074-dump_all/generate_grid.py
@@ -592,7 +592,7 @@ def main():
     wire_map_file = os.path.join(args.output_dir, 'wiremap.pickle')
 
     print('{} Reading tilegrid'.format(datetime.datetime.now()))
-    with open(os.path.join(util.get_db_root(), util.get_part(),
+    with open(os.path.join(util.get_db_root(), util.get_fabric(),
                            'tilegrid.json')) as f:
         grid = json.load(f)
 
diff --git a/fuzzers/074-dump_all/node_names.py b/fuzzers/074-dump_all/node_names.py
index 64bca5b8..4f704a5c 100644
--- a/fuzzers/074-dump_all/node_names.py
+++ b/fuzzers/074-dump_all/node_names.py
@@ -56,7 +56,7 @@ def main():
 
     # Read tile grid and raw node data.
     print('{} Reading tilegrid'.format(datetime.datetime.now()))
-    with open(os.path.join(util.get_db_root(), util.get_part(),
+    with open(os.path.join(util.get_db_root(), util.get_fabric(),
                            'tilegrid.json')) as f:
         grid = Grid(db=None, tilegrid=json.load(f))
 
diff --git a/fuzzers/Makefile b/fuzzers/Makefile
index b9c4dde3..2d239466 100644
--- a/fuzzers/Makefile
+++ b/fuzzers/Makefile
@@ -169,9 +169,5 @@ quick:
 # roi_only runs the fuzzers required for supporting additional parts when building
 # a roi harness.
 roi_only: 000-init-db/run.${XRAY_PART}.ok 001-part-yaml/run.${XRAY_PART}.ok 075-pins/run.${XRAY_PART}.ok
-	# Copy tilegrid and tileconn
-	cp ${XRAY_FAMILY_DIR}/${XRAY_EQUIV_PART}/tilegrid.json ${XRAY_FAMILY_DIR}/${XRAY_PART}/tilegrid.json
-	cp ${XRAY_FAMILY_DIR}/${XRAY_EQUIV_PART}/tileconn.json ${XRAY_FAMILY_DIR}/${XRAY_PART}/tileconn.json
-	cp ${XRAY_FAMILY_DIR}/${XRAY_EQUIV_PART}/node_wires.json ${XRAY_FAMILY_DIR}/${XRAY_PART}/node_wires.json
 
 .PHONY: all clean clean_fuzzers clean_logs quick part_only roi_only
diff --git a/fuzzers/run_fuzzer.py b/fuzzers/run_fuzzer.py
index c136635a..971dec79 100755
--- a/fuzzers/run_fuzzer.py
+++ b/fuzzers/run_fuzzer.py
@@ -22,6 +22,8 @@ import signal
 import subprocess
 import sys
 import traceback
+from prjxray.util import get_part_information, get_part_resources
+from prjxray.util import get_fabric_for_part
 
 import junit_xml
 
@@ -447,6 +449,21 @@ def main(argv):
         os.makedirs(fuzzer_logdir)
     assert os.path.exists(fuzzer_logdir)
 
+    # Set part information from the mapping files and set into the env
+    db_root = os.path.join(
+        os.environ['XRAY_DATABASE_DIR'], os.environ['XRAY_DATABASE'])
+    part = get_part_information(db_root, os.environ['XRAY_PART'])
+    os.environ['XRAY_DEVICE'] = part['device']
+    os.environ['XRAY_PACKAGE'] = part['package']
+    os.environ['XRAY_SPEED_GRADE'] = part['speedgrade']
+    fabric = get_fabric_for_part(db_root, os.environ['XRAY_PART'])
+    os.environ['XRAY_FABRIC'] = fabric
+    res_path = os.path.join(
+        os.environ['XRAY_DIR'], 'settings', os.environ['XRAY_DATABASE'])
+    resources = get_part_resources(res_path, os.environ['XRAY_PART'])
+    for number, pin in resources['pins'].items():
+        os.environ['XRAY_PIN_{:02d}'.format(number)] = pin
+
     exit_code = -1
     args.retries += 1
     for retry_count in range(0, args.retries):
diff --git a/htmlgen/htmlgen.py b/htmlgen/htmlgen.py
index 1cbbf4ce..dd8511ea 100755
--- a/htmlgen/htmlgen.py
+++ b/htmlgen/htmlgen.py
@@ -14,6 +14,7 @@
 
 import os, sys, json, re
 from io import StringIO
+from prjxray.util import get_fabric_for_part
 
 
 def mk_get_setting(settings_filename):
@@ -234,9 +235,9 @@ class Tweaks():
         pass
 
 
-def load_tilegrid(db_dir, part, verbose=False, allow_fake=False):
+def load_tilegrid(db_dir, fabric, verbose=False, allow_fake=False):
     print("Loading tilegrid.")
-    with db_open(os.path.join(part, "tilegrid.json"), db_dir) as f:
+    with db_open(os.path.join(fabric, "tilegrid.json"), db_dir) as f:
         data = f.read()
         if not data:
             assert allow_fake, 'No tilegrid.json found'
@@ -983,11 +984,9 @@ def run(settings, output, verbose=False, allow_fake=False):
 
     # Load source data
     dbstate = DBState()
+    fabric = get_fabric_for_part(db_dir, get_setting("XRAY_PART"))
     grid = load_tilegrid(
-        db_dir,
-        get_setting("XRAY_PART"),
-        verbose=verbose,
-        allow_fake=allow_fake)
+        db_dir, fabric, verbose=verbose, allow_fake=allow_fake)
     db_reads(dbstate, db_dir)
 
     # Create pages
diff --git a/minitests/roi_harness/arty-common.sh b/minitests/roi_harness/arty-common.sh
index 25ad4d97..1da31f77 100644
--- a/minitests/roi_harness/arty-common.sh
+++ b/minitests/roi_harness/arty-common.sh
@@ -10,7 +10,6 @@
 source $(dirname ${BASH_SOURCE[0]})/../../settings/artix7_50t.sh
 
 export XRAY_PART=xc7a35tcsg324-1
-export XRAY_EQUIV_PART=xc7a50tfgg484-1
 
 if [ -z "$XRAY_PINCFG" ]; then
 	echo "XRAY_PINCFG not set"
@@ -25,15 +24,6 @@ if [ -z "$XRAY_DOUT_N_LARGE" ]; then
 	return 1
 fi
 
-# For generating DB
-export XRAY_PIN_00="G13"
-export XRAY_PIN_01="B11"
-export XRAY_PIN_02="E15"
-export XRAY_PIN_03="U12"
-export XRAY_PIN_04="D13"
-export XRAY_PIN_05="J17"
-export XRAY_PIN_06="U14"
-
 # HCLK Tile
 export XRAY_ROI_HCLK="CLK_HROW_TOP_R_X60Y130/CLK_HROW_CK_BUFHCLK_L0"
 
diff --git a/minitests/roi_harness/basys3-common.sh b/minitests/roi_harness/basys3-common.sh
index fff53973..cc95e4b6 100644
--- a/minitests/roi_harness/basys3-common.sh
+++ b/minitests/roi_harness/basys3-common.sh
@@ -10,7 +10,7 @@
 source $(dirname ${BASH_SOURCE[0]})/../../settings/artix7_50t.sh
 
 export XRAY_PART=xc7a35tcpg236-1
-export XRAY_EQUIV_PART=xc7a50tfgg484-1
+
 if [ -z "$XRAY_PINCFG" ]; then
 	echo "XRAY_PINCFG not set"
 	return 1
@@ -24,15 +24,6 @@ if [ -z "$XRAY_DOUT_N_LARGE" ]; then
 	return 1
 fi
 
-# For generating DB
-export XRAY_PIN_00="V17"
-export XRAY_PIN_01="V16"
-export XRAY_PIN_02="W16"
-export XRAY_PIN_03="W17"
-export XRAY_PIN_04="W15"
-export XRAY_PIN_05="V15"
-export XRAY_PIN_06="W14"
-
 # ROI is in the top left
 export XRAY_ROI_LARGE=SLICE_X0Y100:SLICE_X35Y149
 
diff --git a/minitests/roi_harness/zybo-common.sh b/minitests/roi_harness/zybo-common.sh
index bd244234..aa501d90 100644
--- a/minitests/roi_harness/zybo-common.sh
+++ b/minitests/roi_harness/zybo-common.sh
@@ -7,7 +7,6 @@
 #
 # SPDX-License-Identifier: ISC
 export XRAY_PART=xc7z010clg400-1
-export XRAY_EQUIV_PART=xc7z010clg400-1
 
 if [ -z "$XRAY_PINCFG" ]; then
 	echo "XRAY_PINCFG not set"
@@ -22,15 +21,6 @@ if [ -z "$XRAY_DOUT_N_LARGE" ]; then
 	return 1
 fi
 
-# For generating DB
-export XRAY_PIN_00="G15"
-export XRAY_PIN_01="P15"
-export XRAY_PIN_02="W13"
-export XRAY_PIN_03="T16"
-export XRAY_PIN_04="K18"
-export XRAY_PIN_05="P16"
-export XRAY_PIN_06="K19"
-
 # ROI is in top right
 export XRAY_ROI_LARGE="SLICE_X22Y50:SLICE_X43Y99"
 
diff --git a/prjxray/db.py b/prjxray/db.py
index 98a3fde4..c3e41b34 100644
--- a/prjxray/db.py
+++ b/prjxray/db.py
@@ -9,6 +9,7 @@
 #
 # SPDX-License-Identifier: ISC
 import os.path
+import pathlib
 import simplejson as json
 from prjxray import grid
 from prjxray import tile
@@ -16,6 +17,7 @@ from prjxray import tile_segbits
 from prjxray import site_type
 from prjxray import connections
 from prjxray.node_model import NodeModel
+from prjxray.util import get_fabric_for_part
 
 
 def get_available_databases(prjxray_root):
@@ -45,6 +47,8 @@ class Database(object):
     """
         self.db_root = db_root
         self.part = part
+        self.fabric = get_fabric_for_part(db_root, part)
+
         # tilegrid.json JSON object
         self.tilegrid = None
         self.tileconn = None
@@ -129,21 +133,21 @@ class Database(object):
     def _read_tilegrid(self):
         """ Read tilegrid database if not already read. """
         if not self.tilegrid:
-            with open(os.path.join(self.db_root, self.part,
+            with open(os.path.join(self.db_root, self.fabric,
                                    'tilegrid.json')) as f:
                 self.tilegrid = json.load(f)
 
     def _read_tileconn(self):
         """ Read tileconn database if not already read. """
         if not self.tileconn:
-            with open(os.path.join(self.db_root, self.part,
+            with open(os.path.join(self.db_root, self.fabric,
                                    'tileconn.json')) as f:
                 self.tileconn = json.load(f)
 
     def _read_node_wires(self):
         """ Read node wires if not already read. """
         if self.node_wires is None:
-            with open(os.path.join(self.db_root, self.part,
+            with open(os.path.join(self.db_root, self.fabric,
                                    'node_wires.json')) as f:
                 self.node_wires = json.load(f)
 
diff --git a/prjxray/lms_solver.py b/prjxray/lms_solver.py
index ed1825f6..d0fbb629 100755
--- a/prjxray/lms_solver.py
+++ b/prjxray/lms_solver.py
@@ -834,7 +834,7 @@ def main():
     # Build (baseaddr, offset) -> tile name map
     database_dir = os.path.join(
         os.getenv("XRAY_DATABASE_DIR"), os.getenv("XRAY_DATABASE"),
-        os.getenv("XRAY_PART"))
+        os.getenv("XRAY_FABRIC"))
     tilegrid_file = os.path.join(database_dir, "tilegrid.json")
     address_map = build_address_map(tilegrid_file)
 
diff --git a/prjxray/segmaker.py b/prjxray/segmaker.py
index 82987c05..239a2cdc 100644
--- a/prjxray/segmaker.py
+++ b/prjxray/segmaker.py
@@ -82,15 +82,16 @@ def add_site_group_zero(segmk, site, prefix, vals, zero_val, val):
 
 
 class Segmaker:
-    def __init__(self, bitsfile, verbose=None, db_root=None, part=None):
+    def __init__(self, bitsfile, verbose=None, db_root=None, fabric=None):
         self.db_root = db_root
         if self.db_root is None:
             self.db_root = util.get_db_root()
+            assert self.db_root, "No db root specified."
 
-        self.part = part
-        if self.part is None:
-            self.part = util.get_part()
-            assert self.part, "No part specified."
+        self.fabric = fabric
+        if self.fabric is None:
+            self.fabric = util.get_fabric()
+            assert self.fabric, "No fabric specified."
 
         self.verbose = verbose if verbose is not None else os.getenv(
             'VERBOSE', 'N') == 'Y'
@@ -128,7 +129,7 @@ class Segmaker:
 
     def load_grid(self):
         '''Load self.grid holding tile addresses'''
-        with open(os.path.join(self.db_root, self.part, "tilegrid.json"),
+        with open(os.path.join(self.db_root, self.fabric, "tilegrid.json"),
                   "r") as f:
             self.grid = json.load(f)
         assert "segments" not in self.grid, "Old format tilegrid.json"
diff --git a/prjxray/util.py b/prjxray/util.py
index 3fb54494..a282fad7 100644
--- a/prjxray/util.py
+++ b/prjxray/util.py
@@ -12,6 +12,7 @@ import math
 import os
 import random
 import re
+import yaml
 from .roi import Roi
 
 
@@ -31,6 +32,47 @@ def get_part():
     return ret
 
 
+def get_fabric():
+    ret = os.getenv("XRAY_FABRIC", None)
+
+    return ret
+
+
+def get_part_information(db_root, part):
+    filename = os.path.join(db_root, "mapping", "parts.yaml")
+    assert os.path.isfile(filename), \
+        "Mapping file {} does not exists".format(filename)
+    with open(filename, 'r') as stream:
+        part_mapping = yaml.load(stream, Loader=yaml.FullLoader)
+    part = part_mapping.get(part, None)
+    assert part, "Part {} not found in {}".format(part, part_mapping)
+    return part
+
+
+def get_part_resources(file_path, part):
+    filename = os.path.join(file_path, "resources.yaml")
+    assert os.path.isfile(filename), \
+        "Mapping file {} does not exists".format(filename)
+    with open(filename, 'r') as stream:
+        res_mapping = yaml.load(stream, Loader=yaml.FullLoader)
+    res = res_mapping.get(part, None)
+    assert res, "Part {} not found in {}".format(part, part_mapping)
+    return res
+
+
+def get_fabric_for_part(db_root, part):
+    filename = os.path.join(db_root, "mapping", "devices.yaml")
+    assert os.path.isfile(filename), \
+        "Mapping file {} does not exists".format(filename)
+    part = get_part_information(db_root, part)
+    with open(filename, 'r') as stream:
+        device_mapping = yaml.load(stream, Loader=yaml.FullLoader)
+    device = device_mapping.get(part['device'], None)
+    assert device, "Device {} not found in {}".format(
+        part['device'], device_mapping)
+    return device['fabric']
+
+
 def roi_xy():
     x1 = int(os.getenv('XRAY_ROI_GRID_X1', 0))
     x2 = int(os.getenv('XRAY_ROI_GRID_X2', 58))
diff --git a/settings/artix7.sh b/settings/artix7.sh
index 0d2aa2d1..2fe1a117 100644
--- a/settings/artix7.sh
+++ b/settings/artix7.sh
@@ -31,15 +31,4 @@ export XRAY_ROI_GRID_X2="77"
 export XRAY_ROI_GRID_Y1="0"
 export XRAY_ROI_GRID_Y2="51"
 
-# clock pin
-export XRAY_PIN_00="Y22"
-# data pins
-export XRAY_PIN_01="U17"
-export XRAY_PIN_02="V17"
-export XRAY_PIN_03="V16"
-export XRAY_PIN_04="V14"
-export XRAY_PIN_05="U14"
-export XRAY_PIN_06="U16"
-
 source $(dirname ${BASH_SOURCE[0]})/../utils/environment.sh
-
diff --git a/settings/artix7/resources.yaml b/settings/artix7/resources.yaml
new file mode 100644
index 00000000..36189c45
--- /dev/null
+++ b/settings/artix7/resources.yaml
@@ -0,0 +1,73 @@
+# part number to pins
+"xc7a200tffg1156-1":
+  pins:
+    0: "R26"
+    1: "P26"
+    2: "N26"
+    3: "M27"
+    4: "U25"
+    5: "T25"
+    6: "P24"
+"xc7a200tsbg484-1":
+  pins:
+    0: "V10"
+    1: "W10"
+    2: "Y11"
+    3: "Y12"
+    4: "U25"
+    5: "T25"
+    6: "P24"
+"xc7a100tfgg676-1":
+  pins:
+    0: "Y22"
+    1: "U17"
+    2: "V17"
+    3: "V16"
+    4: "V14"
+    5: "U14"
+    6: "U16"
+"xc7a100tcsg324-1":
+  pins:
+    0: "N15"
+    1: "U17"
+    2: "V17"
+    3: "V16"
+    4: "V14"
+    5: "U14"
+    6: "U16"
+"xc7a50tfgg484-1":
+  pins:
+    0: "E22"
+    1: "D22"
+    2: "E21"
+    3: "D21"
+    4: "G21"
+    5: "G22"
+    6: "F21"
+"xc7a35tcsg324-1":
+  pins:
+    0: "G13"
+    1: "B11"
+    2: "E15"
+    3: "U12"
+    4: "D13"
+    5: "J17"
+    6: "U14"
+"xc7a35tftg256-1":
+  pins:
+    0: "J13"
+    1: "J14"
+    2: "K15"
+    3: "K16"
+    4: "G21"
+    5: "G22"
+    6: "F21"
+"xc7a35tcpg236-1":
+  pins:
+    0: "V17"
+    1: "V16"
+    2: "W16"
+    3: "W17"
+    4: "W15"
+    5: "V15"
+    6: "W14"
diff --git a/settings/artix7_200t.sh b/settings/artix7_200t.sh
index d5483ea4..c898f331 100644
--- a/settings/artix7_200t.sh
+++ b/settings/artix7_200t.sh
@@ -21,14 +21,4 @@ export XRAY_EXCLUDE_ROI_TILEGRID=""
 # If you have a FASM mismatch or unknown bits in IOIs, CHECK THIS FIRST.
 export XRAY_IOI3_TILES="RIOI3_X105Y9 LIOI3_X0Y9"
 
-# clock pin
-export XRAY_PIN_00="R26"
-# data pins
-export XRAY_PIN_01="P26"
-export XRAY_PIN_02="N26"
-export XRAY_PIN_03="M27"
-export XRAY_PIN_04="U25"
-export XRAY_PIN_05="T25"
-export XRAY_PIN_06="P24"
-
 source $(dirname ${BASH_SOURCE[0]})/../utils/environment.sh
diff --git a/settings/artix7_50t.sh b/settings/artix7_50t.sh
index d6c93fce..eff26c5a 100644
--- a/settings/artix7_50t.sh
+++ b/settings/artix7_50t.sh
@@ -30,14 +30,4 @@ export XRAY_ROI_GRID_X2="58"
 export XRAY_ROI_GRID_Y1="0"
 export XRAY_ROI_GRID_Y2="51"
 
-# clock pin
-export XRAY_PIN_00="E22"
-# data pins
-export XRAY_PIN_01="D22"
-export XRAY_PIN_02="E21"
-export XRAY_PIN_03="D21"
-export XRAY_PIN_04="G21"
-export XRAY_PIN_05="G22"
-export XRAY_PIN_06="F21"
-
 source $(dirname ${BASH_SOURCE[0]})/../utils/environment.sh
diff --git a/settings/kintex7.sh b/settings/kintex7.sh
index cf34fd4d..4af4e030 100644
--- a/settings/kintex7.sh
+++ b/settings/kintex7.sh
@@ -25,13 +25,4 @@ export XRAY_ROI_GRID_X2="38"
 export XRAY_ROI_GRID_Y1="104"
 export XRAY_ROI_GRID_Y2="156"
 
-# Choose the first N High Range I/Os
-export XRAY_PIN_00="K25"
-export XRAY_PIN_01="K26"
-export XRAY_PIN_02="L24"
-export XRAY_PIN_03="L25"
-export XRAY_PIN_04="M19"
-export XRAY_PIN_05="M20"
-export XRAY_PIN_06="M21"
-
 source $(dirname ${BASH_SOURCE[0]})/../utils/environment.sh
diff --git a/settings/kintex7/resources.yaml b/settings/kintex7/resources.yaml
new file mode 100644
index 00000000..f637aafb
--- /dev/null
+++ b/settings/kintex7/resources.yaml
@@ -0,0 +1,10 @@
+# part number to pins
+"xc7k70tfbg676-2":
+  pins:
+    0: "K25"
+    1: "K26"
+    2: "L24"
+    3: "L25"
+    4: "M19"
+    5: "M20"
+    6: "M21"
diff --git a/settings/zynq7.sh b/settings/zynq7.sh
index 2e4b115b..94f12845 100644
--- a/settings/zynq7.sh
+++ b/settings/zynq7.sh
@@ -27,9 +27,4 @@ export XRAY_ROI_GRID_X2="86"
 export XRAY_ROI_GRID_Y1="105"
 export XRAY_ROI_GRID_Y2="155"
 
-export XRAY_PIN_00="Y9"
-export XRAY_PIN_01="U10"
-export XRAY_PIN_02="N17"
-export XRAY_PIN_03="P18"
-
 source $(dirname ${BASH_SOURCE[0]})/../utils/environment.sh
diff --git a/settings/zynq7/resources.yaml b/settings/zynq7/resources.yaml
new file mode 100644
index 00000000..f4d84cd2
--- /dev/null
+++ b/settings/zynq7/resources.yaml
@@ -0,0 +1,22 @@
+# part number to pins
+"xc7z020clg484-1":
+  pins:
+    0: "Y9"
+    1: "U10"
+    2: "N17"
+    3: "P18"
+"xc7z020clg400-1":
+  pins:
+    0: "T9"
+    1: "P14"
+    2: "T14"
+    3: "R18"
+"xc7z010clg400-1":
+  pins:
+    0: "L14"
+    1: "L15"
+    2: "M14"
+    3: "M15"
+    4: "K16"
+    5: "J16"
+    6: "J15"
diff --git a/settings/zynq7010.sh b/settings/zynq7010.sh
index f1049f0f..9f6f46cc 100644
--- a/settings/zynq7010.sh
+++ b/settings/zynq7010.sh
@@ -27,12 +27,4 @@ export XRAY_ROI_GRID_X2="118"
 export XRAY_ROI_GRID_Y1="0"
 export XRAY_ROI_GRID_Y2="51"
 
-export XRAY_PIN_00="L14"
-export XRAY_PIN_01="L15"
-export XRAY_PIN_02="M14"
-export XRAY_PIN_03="M15"
-export XRAY_PIN_04="K16"
-export XRAY_PIN_05="J16"
-export XRAY_PIN_06="J15"
-
 source $(dirname ${BASH_SOURCE[0]})/../utils/environment.sh
diff --git a/tests/test_util.py b/tests/test_util.py
index 2187630c..a82a73c3 100755
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -9,7 +9,7 @@
 #
 # SPDX-License-Identifier: ISC
 
-from os import environ, getcwd, chdir
+from os import environ, getcwd, chdir, mkdir, environ
 import json
 from tempfile import TemporaryDirectory
 from contextlib import contextmanager
@@ -19,7 +19,7 @@ from unittest import TestCase, main
 # in the current subdirectory, which will be a temporary one, to allow concurent
 # testing.
 environ['XRAY_DATABASE_ROOT'] = '.'
-environ['XRAY_PART'] = './'
+environ['XRAY_PART'] = 'xc7a200tffg1156-1'
 
 from prjxray.util import get_roi, get_db_root
 from prjxray.overlay import Overlay
@@ -31,9 +31,18 @@ def setup_database(contents):
     with TemporaryDirectory() as d:
         olddir = getcwd()
         chdir(d)
+        mkdir('xc7a200t')
+        mkdir('mapping')
+        environ['XRAY_DATABASE_ROOT'] = d
         e = None
-        with open('tilegrid.json', 'w') as fd:
+        with open('xc7a200t/tilegrid.json', 'w') as fd:
             json.dump(contents, fd)
+        # Create some dummy data
+        with open('mapping/devices.yaml', 'w') as fd:
+            json.dump({'xc7a200t': {'fabric': "xc7a200t"}}, fd)
+        with open('mapping/parts.yaml', 'w') as fd:
+            json.dump({'xc7a200tffg1156-1': {"device": "xc7a200t"}}, fd)
+
         try:
             yield
         except Exception as ereal:
diff --git a/utils/environment.sh b/utils/environment.sh
index 40ce83af..fdb0b66f 100644
--- a/utils/environment.sh
+++ b/utils/environment.sh
@@ -27,6 +27,9 @@ fi
 export XRAY_PART_YAML="${XRAY_DATABASE_DIR}/${XRAY_DATABASE}/${XRAY_PART}/part.yaml"
 source $XRAY_UTILS_DIR/environment.python.sh
 
+# Set environment to default output and overwrite localisation settings
+export LC_ALL=C
+
 # tools
 export XRAY_GENHEADER="${XRAY_UTILS_DIR}/genheader.sh"
 export XRAY_BITREAD="${XRAY_TOOLS_DIR}/bitread --part_file ${XRAY_PART_YAML}"
diff --git a/utils/test_data/db/mapping/devices.yaml b/utils/test_data/db/mapping/devices.yaml
new file mode 100644
index 00000000..3ebd25bb
--- /dev/null
+++ b/utils/test_data/db/mapping/devices.yaml
@@ -0,0 +1,3 @@
+# device to fabric mapping
+"xc7a200t":
+  fabric: "xc7a200t"
diff --git a/utils/test_data/db/mapping/parts.yaml b/utils/test_data/db/mapping/parts.yaml
new file mode 100644
index 00000000..4f37d241
--- /dev/null
+++ b/utils/test_data/db/mapping/parts.yaml
@@ -0,0 +1,5 @@
+# part number to device, package and speed grade mapping
+"xc7a200tffg1156-1":
+  device: "xc7a200t"
+  package: "ffg1156"
+  speedgrade: "1"
diff --git a/utils/test_data/db/mapping/resources.yaml b/utils/test_data/db/mapping/resources.yaml
new file mode 100644
index 00000000..5ba91e90
--- /dev/null
+++ b/utils/test_data/db/mapping/resources.yaml
@@ -0,0 +1,10 @@
+# part number to pins
+"xc7a200tffg1156-1":
+  pins:
+    0: "R26"
+    1: "P26"
+    2: "N26"
+    3: "M27"
+    4: "U25"
+    5: "T25"
+    6: "P24"
diff --git a/utils/test_data/db/xc7/tilegrid.json b/utils/test_data/db/xc7a200t/tilegrid.json
similarity index 100%
rename from utils/test_data/db/xc7/tilegrid.json
rename to utils/test_data/db/xc7a200t/tilegrid.json
diff --git a/utils/test_data/db/xc7/package_pins.csv b/utils/test_data/db/xc7a200tffg1156-1/package_pins.csv
similarity index 100%
rename from utils/test_data/db/xc7/package_pins.csv
rename to utils/test_data/db/xc7a200tffg1156-1/package_pins.csv
diff --git a/utils/test_data/db/xc7/part.json b/utils/test_data/db/xc7a200tffg1156-1/part.json
similarity index 100%
rename from utils/test_data/db/xc7/part.json
rename to utils/test_data/db/xc7a200tffg1156-1/part.json
diff --git a/utils/test_fasm2frames.py b/utils/test_fasm2frames.py
index 931bb592..133c1710 100755
--- a/utils/test_fasm2frames.py
+++ b/utils/test_fasm2frames.py
@@ -79,7 +79,8 @@ class TestStringMethods(unittest.TestCase):
 
             fout = StringIO()
             fasm2frames.run(
-                self.filename_test_data('db'), "xc7", fin.name, fout, **kw)
+                self.filename_test_data('db'), "xc7a200tffg1156-1", fin.name,
+                fout, **kw)
 
             return fout.getvalue()
 
diff --git a/utils/xyaml.py b/utils/xyaml.py
index 40661e8c..6ca71149 100755
--- a/utils/xyaml.py
+++ b/utils/xyaml.py
@@ -23,7 +23,7 @@ def load(f):
         data = data.decode('utf-8')
     # Strip out of !<tags>
     data = re.sub("!<[^>]*>", "", data)
-    return yaml.load(io.StringIO(data))
+    return yaml.safe_load(io.StringIO(data))
 
 
 def tojson(f):