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Unified Diff: tools/telemetry/third_party/gsutilz/third_party/crcmod/docs/source/make_predefined_table.py

Issue 1264873003: Add gsutil/third_party to telemetry/third_party/gsutilz/third_party. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Remove httplib2 Created 5 years, 5 months ago
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Index: tools/telemetry/third_party/gsutilz/third_party/crcmod/docs/source/make_predefined_table.py
diff --git a/tools/telemetry/third_party/gsutilz/third_party/crcmod/docs/source/make_predefined_table.py b/tools/telemetry/third_party/gsutilz/third_party/crcmod/docs/source/make_predefined_table.py
new file mode 100644
index 0000000000000000000000000000000000000000..df1a73fab85f5f066f8b5343bd642440be1dc453
--- /dev/null
+++ b/tools/telemetry/third_party/gsutilz/third_party/crcmod/docs/source/make_predefined_table.py
@@ -0,0 +1,45 @@
+
+from __future__ import print_function
+
+import numbers
+
+import crcmod.predefined
+
+table_data = [
+ [ "Name", 'name', 32, ],
+ [ "Polynomial", 'poly', 22, ],
+ [ "Reversed?", 'reverse', 10, ],
+ [ "Init-value", 'init', 20, ],
+ [ "XOR-out", 'xor_out', 20, ],
+ [ "Check", 'check', 20, ],
+]
+
+ccitt_defns = [
+ 'kermit',
+ 'crc-ccitt-false',
+ 'crc-aug-ccitt',
+]
+
+column_dashes = ' '.join(('=' * table_data_item[2] for table_data_item in table_data))
+print(column_dashes)
+print(' '.join(("%-*s" % (table_data_item[2], table_data_item[0]) for table_data_item in table_data)).strip())
+print(column_dashes)
+
+for defn in crcmod.predefined._crc_definitions:
+ poly_width = crcmod.crcmod._verifyPoly(defn['poly'])
+ hex_width = (poly_width + 3) // 4
+ defn_data_list = []
+ for (header_text, key, width) in table_data:
+ if isinstance(defn[key], bool):
+ item = "%s" % (defn[key],)
+ elif isinstance(defn[key], numbers.Integral):
+ item = "0x%0*X" % (hex_width, defn[key])
+ else:
+ item = "``%s``" % (defn[key])
+ if defn['name'] in ccitt_defns:
+ item = ' '.join([item, '[#ccitt]_'])
+ item = "%-*s" % (width, item)
+ defn_data_list.append(item)
+ print(' '.join(defn_data_list).strip())
+
+print(column_dashes)

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