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https://github.com/echemdata/galvani.git
synced 2025-12-14 09:15:34 +00:00
Added support for v11.50 :
Few modifications in the VMPdata_dtype_from_colIDs Added new headers VMPmodule_hdr_v2 Modified MPRfile initialization Includes squashed linting fixes by @ml-evs
This commit is contained in:
@@ -86,6 +86,7 @@ def fieldname_to_dtype(fieldname):
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"/F",
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"/F",
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"/mF",
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"/mF",
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"/uF",
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"/uF",
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"/µF",
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"/C",
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"/C",
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"/Ohm",
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"/Ohm",
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)
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)
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@@ -230,7 +231,7 @@ def MPTfileCSV(file_or_path):
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return mpt_csv, comments
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return mpt_csv, comments
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VMPmodule_hdr = np.dtype(
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VMPmodule_hdr_v1 = np.dtype(
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[
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[
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("shortname", "S10"),
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("shortname", "S10"),
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("longname", "S25"),
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("longname", "S25"),
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@@ -240,15 +241,27 @@ VMPmodule_hdr = np.dtype(
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]
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]
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)
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)
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VMPmodule_hdr_v2 = np.dtype(
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[
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("shortname", "S10"),
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("longname", "S25"),
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("max points", "<u4"),
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("length", "<u4"),
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("version", "<u4"),
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("unknown2", "<u4"),
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("date", "S8"),
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]
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)
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# Maps from colID to a tuple defining a numpy dtype
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# Maps from colID to a tuple defining a numpy dtype
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VMPdata_colID_dtype_map = {
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VMPdata_colID_dtype_map = {
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4: ("time/s", "<f8"),
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4: ("time/s", "<f8"),
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5: ("control/V/mA", "<f4"),
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5: ("control/V/mA", "<f4"),
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6: ("Ewe/V", "<f4"),
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6: ("Ewe/V", "<f4"),
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7: ("dQ/mA.h", "<f8"),
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7: ("dq/mA.h", "<f8"),
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8: ("I/mA", "<f4"), # 8 is either I or <I> ??
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8: ("I/mA", "<f4"), # 8 is either I or <I> ??
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9: ("Ece/V", "<f4"),
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9: ("Ece/V", "<f4"),
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11: ("I/mA", "<f8"),
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11: ("<I>/mA", "<f8"),
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13: ("(Q-Qo)/mA.h", "<f8"),
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13: ("(Q-Qo)/mA.h", "<f8"),
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16: ("Analog IN 1/V", "<f4"),
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16: ("Analog IN 1/V", "<f4"),
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19: ("control/V", "<f4"),
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19: ("control/V", "<f4"),
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@@ -266,7 +279,7 @@ VMPdata_colID_dtype_map = {
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39: ("I Range", "<u2"),
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39: ("I Range", "<u2"),
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69: ("R/Ohm", "<f4"),
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69: ("R/Ohm", "<f4"),
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70: ("P/W", "<f4"),
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70: ("P/W", "<f4"),
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74: ("Energy/W.h", "<f8"),
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74: ("|Energy|/W.h", "<f8"),
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75: ("Analog OUT/V", "<f4"),
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75: ("Analog OUT/V", "<f4"),
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76: ("<I>/mA", "<f4"),
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76: ("<I>/mA", "<f4"),
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77: ("<Ewe>/V", "<f4"),
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77: ("<Ewe>/V", "<f4"),
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@@ -286,8 +299,30 @@ VMPdata_colID_dtype_map = {
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169: ("Cs/µF", "<f4"),
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169: ("Cs/µF", "<f4"),
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172: ("Cp/µF", "<f4"),
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172: ("Cp/µF", "<f4"),
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173: ("Cp-2/µF-2", "<f4"),
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173: ("Cp-2/µF-2", "<f4"),
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174: ("Ewe/V", "<f4"),
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174: ("<Ewe>/V", "<f4"),
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241: ("|E1|/V", "<f4"),
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178: ("(Q-Qo)/C", "<f4"),
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179: ("dQ/C", "<f4"),
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211: ("Q charge/discharge/mA.h", "<f8"),
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212: ("half cycle", "<u4"),
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213: ("z cycle", "<u4"),
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217: ("THD Ewe/%", "<f4"),
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218: ("THD I/%", "<f4"),
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220: ("NSD Ewe/%", "<f4"),
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221: ("NSD I/%", "<f4"),
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223: ("NSR Ewe/%", "<f4"),
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224: ("NSR I/%", "<f4"),
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230: ("|Ewe h2|/V", "<f4"),
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231: ("|Ewe h3|/V", "<f4"),
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232: ("|Ewe h4|/V", "<f4"),
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233: ("|Ewe h5|/V", "<f4"),
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234: ("|Ewe h6|/V", "<f4"),
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235: ("|Ewe h7|/V", "<f4"),
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236: ("|I h2|/A", "<f4"),
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237: ("|I h3|/A", "<f4"),
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238: ("|I h4|/A", "<f4"),
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239: ("|I h5|/A", "<f4"),
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240: ("|I h6|/A", "<f4"),
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241: ("|I h7|/A", "<f4"),
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242: ("|E2|/V", "<f4"),
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242: ("|E2|/V", "<f4"),
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271: ("Phase(Z1) / deg", "<f4"),
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271: ("Phase(Z1) / deg", "<f4"),
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272: ("Phase(Z2) / deg", "<f4"),
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272: ("Phase(Z2) / deg", "<f4"),
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@@ -440,11 +475,18 @@ def read_VMP_modules(fileobj, read_module_data=True):
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raise ValueError(
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raise ValueError(
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"Found %r, expecting start of new VMP MODULE" % module_magic
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"Found %r, expecting start of new VMP MODULE" % module_magic
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)
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)
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VMPmodule_hdr = VMPmodule_hdr_v1
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# Reading headers binary information
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hdr_bytes = fileobj.read(VMPmodule_hdr.itemsize)
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hdr_bytes = fileobj.read(VMPmodule_hdr.itemsize)
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if len(hdr_bytes) < VMPmodule_hdr.itemsize:
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if len(hdr_bytes) < VMPmodule_hdr.itemsize:
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raise IOError("Unexpected end of file while reading module header")
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raise IOError("Unexpected end of file while reading module header")
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# Checking if EC-Lab version is >= 11.50
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if hdr_bytes[35:39] == b"\xff\xff\xff\xff":
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VMPmodule_hdr = VMPmodule_hdr_v2
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hdr_bytes += fileobj.read(VMPmodule_hdr_v2.itemsize - VMPmodule_hdr_v1.itemsize)
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hdr = np.frombuffer(hdr_bytes, dtype=VMPmodule_hdr, count=1)
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hdr = np.frombuffer(hdr_bytes, dtype=VMPmodule_hdr, count=1)
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hdr_dict = dict(((n, hdr[n][0]) for n in VMPmodule_hdr.names))
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hdr_dict = dict(((n, hdr[n][0]) for n in VMPmodule_hdr.names))
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hdr_dict["offset"] = fileobj.tell()
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hdr_dict["offset"] = fileobj.tell()
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@@ -456,7 +498,11 @@ def read_VMP_modules(fileobj, read_module_data=True):
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current module: %s
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current module: %s
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length read: %d
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length read: %d
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length expected: %d"""
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length expected: %d"""
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% (hdr_dict["longname"], len(hdr_dict["data"]), hdr_dict["length"])
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% (
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hdr_dict["longname"],
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len(hdr_dict["data"]),
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hdr_dict["length"],
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)
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)
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)
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yield hdr_dict
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yield hdr_dict
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else:
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else:
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@@ -494,6 +540,8 @@ class MPRfile:
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raise ValueError("Invalid magic for .mpr file: %s" % magic)
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raise ValueError("Invalid magic for .mpr file: %s" % magic)
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modules = list(read_VMP_modules(mpr_file))
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modules = list(read_VMP_modules(mpr_file))
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mpr_file.close() # close the mpr.file after reading all of it
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self.modules = modules
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self.modules = modules
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(settings_mod,) = (m for m in modules if m["shortname"] == b"VMP Set ")
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(settings_mod,) = (m for m in modules if m["shortname"] == b"VMP Set ")
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(data_module,) = (m for m in modules if m["shortname"] == b"VMP data ")
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(data_module,) = (m for m in modules if m["shortname"] == b"VMP data ")
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@@ -504,15 +552,22 @@ class MPRfile:
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n_columns = np.frombuffer(data_module["data"][4:5], dtype="u1").item()
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n_columns = np.frombuffer(data_module["data"][4:5], dtype="u1").item()
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if data_module["version"] == 0:
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if data_module["version"] == 0:
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column_types = np.frombuffer(
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# If EC-Lab version >= 11.50, column_types is [0 1 0 3 0 174...] instead of [1 3 174...]
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data_module["data"][5:], dtype="u1", count=n_columns
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if np.frombuffer(data_module["data"][5:6], dtype="u1").item():
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)
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column_types = np.frombuffer(data_module["data"][5:], dtype="u1", count=n_columns)
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remaining_headers = data_module["data"][5 + n_columns:100]
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remaining_headers = data_module["data"][5 + n_columns:100]
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main_data = data_module["data"][100:]
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main_data = data_module["data"][100:]
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else:
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column_types = np.frombuffer(
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data_module["data"][5:], dtype="u1", count=n_columns * 2
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)
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column_types = column_types[1::2] # suppressing zeros in column types array
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# remaining headers should be empty except for bytes 5 + n_columns * 2
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# and 1006 which are sometimes == 1
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remaining_headers = data_module["data"][6 + n_columns * 2:1006]
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main_data = data_module["data"][1007:]
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elif data_module["version"] in [2, 3]:
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elif data_module["version"] in [2, 3]:
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column_types = np.frombuffer(
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column_types = np.frombuffer(data_module["data"][5:], dtype="<u2", count=n_columns)
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data_module["data"][5:], dtype="<u2", count=n_columns
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)
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# There are bytes of data before the main array starts
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# There are bytes of data before the main array starts
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if data_module["version"] == 3:
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if data_module["version"] == 3:
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num_bytes_before = 406 # version 3 added `\x01` to the start
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num_bytes_before = 406 # version 3 added `\x01` to the start
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@@ -541,7 +596,7 @@ class MPRfile:
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if maybe_loop_module:
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if maybe_loop_module:
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(loop_module,) = maybe_loop_module
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(loop_module,) = maybe_loop_module
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if loop_module["version"] == 0:
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if loop_module["version"] == 0:
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self.loop_index = np.fromstring(loop_module["data"][4:], dtype="<u4")
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self.loop_index = np.frombuffer(loop_module["data"][4:], dtype="<u4")
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self.loop_index = np.trim_zeros(self.loop_index, "b")
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self.loop_index = np.trim_zeros(self.loop_index, "b")
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else:
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else:
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raise ValueError(
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raise ValueError(
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