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2026-05-20 22:33:44 +02:00 · 2016-10-23 20:05:05 +02:00
commit 2b6108425b
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+#!/usr/bin/env python
+"""
+$Id: display_model.py,v 1.7 2016/03/03 16:29:06 bob Exp $
+
+Author: Chris Hager <chris@linuxuser.at>
+License: MIT
+URL: https://github.com/metachris/raspberrypi-utils
+
+Modified by: Bob Rathbone  (bob@bobrathbone.com)
+Site   : http://www.bobrathbone.com
+
+License: GNU V3, See https://www.gnu.org/copyleft/gpl.html
+
+Disclaimer: Software is provided as is and absolutly no warranties are implied or given.
+            The authors shall not be liable for any loss or damage however caused.
+
+This script detects a Raspberry Pi's model, manufacturer and mb ram, based
+on the cpu revision number. Data source:
+http://www.raspberrypi.org/phpBB3/viewtopic.php?f=63&t=32733
+
+You can instantiate the ModelInfo class either with a parameter `rev_hex`
+(eg. `m = ModelInfo("000f")`), or without a parameter
+(eg. `m = ModelInfo()`) in which case it will try to detect it via
+`/proc/cpuinfo`. Accessible attributes:
+
+
+    class ModelInfo:
+        model = ''     # 'A' or 'B'
+        revision = ''  # '1.0' or '2.0'
+        ram_mb = 0     # integer value representing ram in mb
+        maker = ''     # manufacturer (eg. 'Qisda')
+        info = ''      # additional info (eg. 'D14' removed)
+
+
+"""
+import re
+
+
+model_data = {
+    '2': ('B', '1.0', 256, 'Cambridge', ''),
+    '3': ('B', '1.0', 256, 'Cambridge', 'Fuses mod and D14 removed'),
+    '4': ('B', '2.0', 256, 'Sony', ''),
+    '5': ('B', '2.0', 256, 'Qisda', ''),
+    '6': ('B', '2.0', 256, 'Egoman', ''),
+    '7': ('A', '2.0', 256, 'Egoman', ''),
+    '8': ('A', '2.0', 256, 'Sony', ''),
+    '9': ('A', '2.0', 256, 'Qisda', ''),
+    'd': ('B', '2.0', 512, 'Egoman', ''),
+    'e': ('B', '2.0', 512, 'Sony', ''),
+    'f': ('B', '2.0', 512, 'Qisda', ''),
+    '10': ('B+', '2.0', 512, 'Unknown', ''),
+    'a01041': ('2B', '2.0', 512, 'Farnell and others', ''),
+    '900092': ('Pi Zero', '2.0', 1000, 'Element14', ''),
+    'a02082': ('3B', '2.0', 1000, 'Element14', ''),
+}
+
+
+class ModelInfo(object):
+    """
+    You can instantiate ModelInfo either with a parameter `rev_hex`
+    (eg. `m = ModelInfo("000f")`), or without a parameter
+    (eg. `m = ModelInfo()`) in which case it will try to detect it via
+    `/proc/cpuinfo`
+    """
+    model = ''
+    revision = ''
+    ram_mb = 0
+    maker = ''
+    info = ''
+
+    def __init__(self, rev_hex=None):
+        if not rev_hex:
+            with open("/proc/cpuinfo") as f:
+                cpuinfo = f.read()
+            rev_hex = re.search(r"(?<=\nRevision)[ |:|\t]*(\w+)", cpuinfo) \
+                    .group(1)
+
+        self.revision_hex = rev_hex[-4:] if rev_hex[:4] == "1000" else rev_hex
+        try:
+                self.model, self.revision, self.ram_mb, self.maker, self.info = \
+                        model_data[rev_hex.lstrip("0")]
+        except:
+                print "Unknown model", rev_hex.lstrip("0")
+
+    def __repr__(self):
+        s = "%s: Model %s, Revision %s, RAM: %s MB, Maker: %s%s" % ( \
+                self.revision_hex, self.model, self.revision, self.ram_mb, \
+                self.maker, ", %s" % self.info if self.info else "")
+        return s
+
+
+
+
+if __name__ == "__main__":
+    m = ModelInfo()
+    print(m)
+