cn/python-bme280
1
0
Fork 0
mirror of https://github.com/cmur2/python-bme280.git synced 2024-12-21 06:54:22 +01:00
Code Releases Activity

module: use yapf formatter, reduce pylint warnings

Browse Source
This commit is contained in:
cn 2019-12-15 23:12:15 +01:00 committed by Christian Nicolai
parent 346ea6c0de
commit e7f0091f22
7 changed files with 77 additions and 628 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

559
.pylintrc
View File

@ -1,560 +1,9 @@
[MASTER]
# A comma-separated list of package or module names from where C extensions may
# be loaded. Extensions are loading into the active Python interpreter and may
# run arbitrary code
extension-pkg-whitelist=
# Add files or directories to the blacklist. They should be base names, not
# paths.
ignore=CVS
# Add files or directories matching the regex patterns to the blacklist. The
# regex matches against base names, not paths.
ignore-patterns=.*_test.py,setup.py
# Python code to execute, usually for sys.path manipulation such as
# pygtk.require().
#init-hook=
# Use multiple processes to speed up Pylint.
jobs=1
# List of plugins (as comma separated values of python modules names) to load,
# usually to register additional checkers.
load-plugins=
# Pickle collected data for later comparisons.
persistent=no
# Specify a configuration file.
#rcfile=
# When enabled, pylint would attempt to guess common misconfiguration and emit
# user-friendly hints instead of false-positive error messages
suggestion-mode=yes
# Allow loading of arbitrary C extensions. Extensions are imported into the
# active Python interpreter and may run arbitrary code.
unsafe-load-any-extension=no
[MESSAGES CONTROL]
# Only show warnings with the listed confidence levels. Leave empty to show
# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
confidence=
# Disable the message, report, category or checker with the given id(s). You
# can either give multiple identifiers separated by comma (,) or put this
# option multiple times (only on the command line, not in the configuration
# file where it should appear only once).You can also use "--disable=all" to
# disable everything first and then reenable specific checks. For example, if
# you want to run only the similarities checker, you can use "--disable=all
# --enable=similarities". If you want to run only the classes checker, but have
# no Warning level messages displayed, use"--disable=all --enable=classes
# --disable=W"
disable=print-statement,
parameter-unpacking,
unpacking-in-except,
old-raise-syntax,
backtick,
long-suffix,
old-ne-operator,
old-octal-literal,
import-star-module-level,
non-ascii-bytes-literal,
raw-checker-failed,
bad-inline-option,
locally-disabled,
locally-enabled,
file-ignored,
suppressed-message,
useless-suppression,
deprecated-pragma,
apply-builtin,
basestring-builtin,
buffer-builtin,
cmp-builtin,
coerce-builtin,
execfile-builtin,
file-builtin,
long-builtin,
raw_input-builtin,
reduce-builtin,
standarderror-builtin,
unicode-builtin,
xrange-builtin,
coerce-method,
delslice-method,
getslice-method,
setslice-method,
no-absolute-import,
old-division,
dict-iter-method,
dict-view-method,
next-method-called,
metaclass-assignment,
indexing-exception,
raising-string,
reload-builtin,
oct-method,
hex-method,
nonzero-method,
cmp-method,
input-builtin,
round-builtin,
intern-builtin,
unichr-builtin,
map-builtin-not-iterating,
zip-builtin-not-iterating,
range-builtin-not-iterating,
filter-builtin-not-iterating,
using-cmp-argument,
eq-without-hash,
div-method,
idiv-method,
rdiv-method,
exception-message-attribute,
invalid-str-codec,
sys-max-int,
bad-python3-import,
deprecated-string-function,
deprecated-str-translate-call,
deprecated-itertools-function,
deprecated-types-field,
next-method-defined,
dict-items-not-iterating,
dict-keys-not-iterating,
dict-values-not-iterating,
missing-docstring,
line-too-long,
c-extension-no-member,
no-self-use
# Enable the message, report, category or checker with the given id(s). You can
# either give multiple identifier separated by comma (,) or put this option
# multiple time (only on the command line, not in the configuration file where
# it should appear only once). See also the "--disable" option for examples.
enable=
[REPORTS]
# Python expression which should return a note less than 10 (10 is the highest
# note). You have access to the variables errors warning, statement which
# respectively contain the number of errors / warnings messages and the total
# number of statements analyzed. This is used by the global evaluation report
# (RP0004).
evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
# Template used to display messages. This is a python new-style format string
# used to format the message information. See doc for all details
#msg-template=
# Set the output format. Available formats are text, parseable, colorized, json
# and msvs (visual studio).You can also give a reporter class, eg
# mypackage.mymodule.MyReporterClass.
output-format=colorized
# Tells whether to display a full report or only the messages
reports=no
# Activate the evaluation score.
score=yes
[REFACTORING]
# Maximum number of nested blocks for function / method body
max-nested-blocks=5
# Complete name of functions that never returns. When checking for
# inconsistent-return-statements if a never returning function is called then
# it will be considered as an explicit return statement and no message will be
# printed.
never-returning-functions=optparse.Values,sys.exit
[BASIC]
# Naming style matching correct argument names
argument-naming-style=snake_case
# Regular expression matching correct argument names. Overrides argument-
# naming-style
#argument-rgx=
# Naming style matching correct attribute names
attr-naming-style=snake_case
# Regular expression matching correct attribute names. Overrides attr-naming-
# style
#attr-rgx=
# Bad variable names which should always be refused, separated by a comma
bad-names=foo,
bar,
baz,
toto,
tutu,
tata
# Naming style matching correct class attribute names
class-attribute-naming-style=any
# Regular expression matching correct class attribute names. Overrides class-
# attribute-naming-style
#class-attribute-rgx=
# Naming style matching correct class names
class-naming-style=PascalCase
# Regular expression matching correct class names. Overrides class-naming-style
#class-rgx=
# Naming style matching correct constant names
const-naming-style=UPPER_CASE
# Regular expression matching correct constant names. Overrides const-naming-
# style
#const-rgx=
# Minimum line length for functions/classes that require docstrings, shorter
# ones are exempt.
docstring-min-length=-1
# Naming style matching correct function names
function-naming-style=snake_case
# Regular expression matching correct function names. Overrides function-
# naming-style
#function-rgx=
# Good variable names which should always be accepted, separated by a comma
good-names=i,
j,
k,
ex,
Run,
_,
ho,
po,
to,
t,
p,
h,
digT,
digP,
digH,
adc_T,
adc_P,
adc_H,
var_H,
is_status_image_register_updating
# Include a hint for the correct naming format with invalid-name
include-naming-hint=no
# Naming style matching correct inline iteration names
inlinevar-naming-style=any
# Regular expression matching correct inline iteration names. Overrides
# inlinevar-naming-style
#inlinevar-rgx=
# Naming style matching correct method names
method-naming-style=snake_case
# Regular expression matching correct method names. Overrides method-naming-
# style
#method-rgx=
# Naming style matching correct module names
module-naming-style=snake_case
# Regular expression matching correct module names. Overrides module-naming-
# style
#module-rgx=
# Colon-delimited sets of names that determine each other's naming style when
# the name regexes allow several styles.
name-group=
# Regular expression which should only match function or class names that do
# not require a docstring.
no-docstring-rgx=^_
# List of decorators that produce properties, such as abc.abstractproperty. Add
# to this list to register other decorators that produce valid properties.
property-classes=abc.abstractproperty
# Naming style matching correct variable names
variable-naming-style=snake_case
# Regular expression matching correct variable names. Overrides variable-
# naming-style
#variable-rgx=
[FORMAT]
# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
expected-line-ending-format=
# Regexp for a line that is allowed to be longer than the limit.
ignore-long-lines=^\s*(# )?<?https?://\S+>?$
# Number of spaces of indent required inside a hanging or continued line.
indent-after-paren=4
# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1
# tab).
indent-string=' '
# Maximum number of characters on a single line.
max-line-length=100
# Maximum number of lines in a module
max-module-lines=1000
# List of optional constructs for which whitespace checking is disabled. `dict-
# separator` is used to allow tabulation in dicts, etc.: {1 : 1,\n222: 2}.
# `trailing-comma` allows a space between comma and closing bracket: (a, ).
# `empty-line` allows space-only lines.
no-space-check=trailing-comma,
dict-separator
# Allow the body of a class to be on the same line as the declaration if body
# contains single statement.
single-line-class-stmt=no
# Allow the body of an if to be on the same line as the test if there is no
# else.
single-line-if-stmt=no
[MISCELLANEOUS]
# List of note tags to take in consideration, separated by a comma.
notes=FIXME,
XXX,
TODO
[LOGGING]
# Logging modules to check that the string format arguments are in logging
# function parameter format
logging-modules=logging
[SIMILARITIES]
# Ignore comments when computing similarities.
ignore-comments=yes
# Ignore docstrings when computing similarities.
ignore-docstrings=yes
# Ignore imports when computing similarities.
ignore-imports=no
# Minimum lines number of a similarity.
min-similarity-lines=4
[SPELLING]
# Limits count of emitted suggestions for spelling mistakes
max-spelling-suggestions=4
# Spelling dictionary name. Available dictionaries: none. To make it working
# install python-enchant package.
spelling-dict=
# List of comma separated words that should not be checked.
spelling-ignore-words=
# A path to a file that contains private dictionary; one word per line.
spelling-private-dict-file=
# Tells whether to store unknown words to indicated private dictionary in
# --spelling-private-dict-file option instead of raising a message.
spelling-store-unknown-words=no
[TYPECHECK]
# List of decorators that produce context managers, such as
# contextlib.contextmanager. Add to this list to register other decorators that
# produce valid context managers.
contextmanager-decorators=contextlib.contextmanager
# List of members which are set dynamically and missed by pylint inference
# system, and so shouldn't trigger E1101 when accessed. Python regular
# expressions are accepted.
generated-members=
# Tells whether missing members accessed in mixin class should be ignored. A
# mixin class is detected if its name ends with "mixin" (case insensitive).
ignore-mixin-members=yes
# This flag controls whether pylint should warn about no-member and similar
# checks whenever an opaque object is returned when inferring. The inference
# can return multiple potential results while evaluating a Python object, but
# some branches might not be evaluated, which results in partial inference. In
# that case, it might be useful to still emit no-member and other checks for
# the rest of the inferred objects.
ignore-on-opaque-inference=yes
# List of class names for which member attributes should not be checked (useful
# for classes with dynamically set attributes). This supports the use of
# qualified names.
ignored-classes=optparse.Values,thread._local,_thread._local
# List of module names for which member attributes should not be checked
# (useful for modules/projects where namespaces are manipulated during runtime
# and thus existing member attributes cannot be deduced by static analysis. It
# supports qualified module names, as well as Unix pattern matching.
ignored-modules=
# Show a hint with possible names when a member name was not found. The aspect
# of finding the hint is based on edit distance.
missing-member-hint=yes
# The minimum edit distance a name should have in order to be considered a
# similar match for a missing member name.
missing-member-hint-distance=1
# The total number of similar names that should be taken in consideration when
# showing a hint for a missing member.
missing-member-max-choices=1
[VARIABLES]
# List of additional names supposed to be defined in builtins. Remember that
# you should avoid to define new builtins when possible.
additional-builtins=
# Tells whether unused global variables should be treated as a violation.
allow-global-unused-variables=yes
# List of strings which can identify a callback function by name. A callback
# name must start or end with one of those strings.
callbacks=cb_,
_cb
# A regular expression matching the name of dummy variables (i.e. expectedly
# not used).
dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
# Argument names that match this expression will be ignored. Default to name
# with leading underscore
ignored-argument-names=_.*|^ignored_|^unused_
# Tells whether we should check for unused import in __init__ files.
init-import=no
# List of qualified module names which can have objects that can redefine
# builtins.
redefining-builtins-modules=six.moves,past.builtins,future.builtins
[IMPORTS]
# Allow wildcard imports from modules that define __all__.
allow-wildcard-with-all=no
# Analyse import fallback blocks. This can be used to support both Python 2 and
# 3 compatible code, which means that the block might have code that exists
# only in one or another interpreter, leading to false positives when analysed.
analyse-fallback-blocks=no
# Deprecated modules which should not be used, separated by a comma
deprecated-modules=regsub,
TERMIOS,
Bastion,
rexec
# Create a graph of external dependencies in the given file (report RP0402 must
# not be disabled)
ext-import-graph=
# Create a graph of every (i.e. internal and external) dependencies in the
# given file (report RP0402 must not be disabled)
import-graph=
# Create a graph of internal dependencies in the given file (report RP0402 must
# not be disabled)
int-import-graph=
# Force import order to recognize a module as part of the standard
# compatibility libraries.
known-standard-library=
# Force import order to recognize a module as part of a third party library.
known-third-party=enchant
[CLASSES]
# List of method names used to declare (i.e. assign) instance attributes.
defining-attr-methods=__init__,
__new__,
setUp
# List of member names, which should be excluded from the protected access
# warning.
exclude-protected=_asdict,
_fields,
_replace,
_source,
_make
# List of valid names for the first argument in a class method.
valid-classmethod-first-arg=cls
# List of valid names for the first argument in a metaclass class method.
valid-metaclass-classmethod-first-arg=mcs
[DESIGN]
# Maximum number of arguments for function / method
max-args=5
# Maximum number of attributes for a class (see R0902).
max-attributes=11
# Maximum number of boolean expressions in a if statement
max-bool-expr=5
# Maximum number of branch for function / method body
max-branches=12
# Maximum number of locals for function / method body
max-locals=15
# Maximum number of parents for a class (see R0901).
max-parents=7
# Maximum number of public methods for a class (see R0904).
max-public-methods=25
# Maximum number of return / yield for function / method body
max-returns=6
[FORMAT]
max-line-length=121
# Maximum number of statements in function / method body
max-statements=50
# Minimum number of public methods for a class (see R0903).
min-public-methods=2
[EXCEPTIONS]
# Exceptions that will emit a warning when being caught. Defaults to
# "Exception"
overgeneral-exceptions=Exception
[MESSAGES CONTROL]
disable=invalid-name,missing-docstring

3
.style.yapf Normal file
View File

@ -0,0 +1,3 @@
[style]
based_on_style = pep8
column_limit = 120

3
Makefile
View File

@ -13,7 +13,8 @@ all: lint test ## Run lint and test (default goal)
.PHONY: lint
lint: ## Lint all source code
poetry run pylint bme280
poetry run yapf -q -r bme280
poetry run pylint --ignore=snapshots bme280 tests
.PHONY: test
test: ## Run all tests

8
bme280/__init__.py
View File

@ -1,6 +1,8 @@
from .bme280 import Bme280
from .bme280 import HO_SKIPPED, HO_1, HO_2, HO_4, HO_8, HO_16, PO_SKIPPED, PO_1, PO_2, PO_4, PO_8, PO_16, TO_SKIPPED, TO_1, TO_2, TO_4, TO_8, TO_16
from .bme280 import HO_SKIPPED, HO_1, HO_2, HO_4, HO_8, HO_16
from .bme280 import PO_SKIPPED, PO_1, PO_2, PO_4, PO_8, PO_16
from .bme280 import TO_SKIPPED, TO_1, TO_2, TO_4, TO_8, TO_16
from .bme280 import MODE_SLEEP, MODE_FORCED, MODE_NORMAL
from .bme280 import TSTANDBY_0_5, TSTANDBY_62_5, TSTANDBY_125, TSTANDBY_250, TSTANDBY_500, TSTANDBY_1000, TSTANDBY_10, TSTANDBY_20
from .bme280 import TSTANDBY_0_5, TSTANDBY_62_5, TSTANDBY_125, TSTANDBY_250, TSTANDBY_500, TSTANDBY_1000
from .bme280 import TSTANDBY_10, TSTANDBY_20
from .bme280 import FILTER_OFF, FILTER_2, FILTER_4, FILTER_8, FILTER_16

71
bme280/bme280.py
View File

@ -1,9 +1,8 @@
import time
import smbus # pylint: disable=import-error
import smbus # pylint: disable=import-error
ADDR = 0x76 # 7bit address of the BME280 for SDO=0, else 0x77
ADDR = 0x76 # 7bit address of the BME280 for SDO=0, else 0x77
REGISTER_ID = 0xD0
REGISTER_RESET = 0xE0
@ -17,24 +16,24 @@ HO_1 = 0x01
HO_2 = 0x02
HO_4 = 0x03
HO_8 = 0x04
HO_16 = 0x05 # and all higher
HO_16 = 0x05 # and all higher
PO_SKIPPED = 0x00
PO_1 = 0x01
PO_2 = 0x02
PO_4 = 0x03
PO_8 = 0x04
PO_16 = 0x05 # and all higher
PO_16 = 0x05 # and all higher
TO_SKIPPED = 0x00
TO_1 = 0x01
TO_2 = 0x02
TO_4 = 0x03
TO_8 = 0x04
TO_16 = 0x05 # and all higher
TO_16 = 0x05 # and all higher
MODE_SLEEP = 0x00
MODE_FORCED = 0x01 # and 0x02
MODE_FORCED = 0x01 # and 0x02
MODE_NORMAL = 0x03
TSTANDBY_0_5 = 0x00
@ -50,10 +49,10 @@ FILTER_OFF = 0x00
FILTER_2 = 0x01
FILTER_4 = 0x02
FILTER_8 = 0x03
FILTER_16 = 0x04 # and all higher
FILTER_16 = 0x04 # and all higher
class Bme280(object): # pylint: disable=bad-option-value,useless-object-inheritance
class Bme280(object): # pylint: disable=bad-option-value,useless-object-inheritance
def __init__(self, i2c_bus=1, sensor_address=ADDR):
self.bus = smbus.SMBus(i2c_bus)
self.sensor_address = sensor_address
@ -130,10 +129,10 @@ class Bme280(object): # pylint: disable=bad-option-value,useless-object-inherita
def get_data(self):
if self.get_mode() == MODE_FORCED:
t_measure_max = 1.25 + (2.3 * self.to) + (2.3 * self.po + 0.575) + (2.3 * self.ho + 0.575)
time.sleep(t_measure_max/1000.0)
time.sleep(t_measure_max / 1000.0)
data = []
for i in range(0xF7, 0xF7+8):
for i in range(0xF7, 0xF7 + 8):
data.append(self.bus.read_byte_data(self.sensor_address, i))
pressure_raw = (data[0] << 12) | (data[1] << 4) | (data[2] >> 4)
@ -174,10 +173,10 @@ class Bme280(object): # pylint: disable=bad-option-value,useless-object-inherita
def read_calibration_parameters(self):
# read all calibration registers from chip NVM
calibration_regs = []
for i in range(0x88, 0x88+24):
for i in range(0x88, 0x88 + 24):
calibration_regs.append(self.bus.read_byte_data(self.sensor_address, i))
calibration_regs.append(self.bus.read_byte_data(self.sensor_address, 0xA1))
for i in range(0xE1, 0xE1+7):
for i in range(0xE1, 0xE1 + 7):
calibration_regs.append(self.bus.read_byte_data(self.sensor_address, i))
# pylint: disable=bad-whitespace
@ -191,35 +190,35 @@ class Bme280(object): # pylint: disable=bad-option-value,useless-object-inherita
self.digP = []
self.digP.append((calibration_regs[7] << 8) | calibration_regs[6])
self.digP.append((calibration_regs[9] << 8) | calibration_regs[8])
self.digP.append((calibration_regs[11]<< 8) | calibration_regs[10])
self.digP.append((calibration_regs[13]<< 8) | calibration_regs[12])
self.digP.append((calibration_regs[15]<< 8) | calibration_regs[14])
self.digP.append((calibration_regs[17]<< 8) | calibration_regs[16])
self.digP.append((calibration_regs[19]<< 8) | calibration_regs[18])
self.digP.append((calibration_regs[21]<< 8) | calibration_regs[20])
self.digP.append((calibration_regs[23]<< 8) | calibration_regs[22])
self.digP.append((calibration_regs[11] << 8) | calibration_regs[10])
self.digP.append((calibration_regs[13] << 8) | calibration_regs[12])
self.digP.append((calibration_regs[15] << 8) | calibration_regs[14])
self.digP.append((calibration_regs[17] << 8) | calibration_regs[16])
self.digP.append((calibration_regs[19] << 8) | calibration_regs[18])
self.digP.append((calibration_regs[21] << 8) | calibration_regs[20])
self.digP.append((calibration_regs[23] << 8) | calibration_regs[22])
self.digH = []
self.digH.append( calibration_regs[24] )
self.digH.append((calibration_regs[26]<< 8) | calibration_regs[25])
self.digH.append( calibration_regs[27] )
self.digH.append((calibration_regs[28]<< 4) | (0x0F & calibration_regs[29]))
self.digH.append((calibration_regs[30]<< 4) | ((calibration_regs[29] >> 4) & 0x0F))
self.digH.append( calibration_regs[31] )
self.digH.append(calibration_regs[24])
self.digH.append((calibration_regs[26] << 8) | calibration_regs[25])
self.digH.append(calibration_regs[27])
self.digH.append((calibration_regs[28] << 4) | (0x0F & calibration_regs[29]))
self.digH.append((calibration_regs[30] << 4) | ((calibration_regs[29] >> 4) & 0x0F))
self.digH.append(calibration_regs[31])
# fix sign for integers in two's complement
for i in [1,2]:
for i in [1, 2]:
if self.digT[i] & 0x8000:
self.digT[i] = (-self.digT[i] ^ 0xFFFF) + 1
for i in [1,2,3,4,5,6,7,8]:
for i in [1, 2, 3, 4, 5, 6, 7, 8]:
if self.digP[i] & 0x8000:
self.digP[i] = (-self.digP[i] ^ 0xFFFF) + 1
for i in [1]:
if self.digH[i] & 0x8000:
self.digH[i] = (-self.digH[i] ^ 0xFFFF) + 1
for i in [3,4]:
for i in [3, 4]:
if self.digH[i] & 0x0800:
self.digH[i] = (-self.digH[i] ^ 0x0FFF) + 1
for i in [5]:
@ -233,18 +232,19 @@ class Bme280(object): # pylint: disable=bad-option-value,useless-object-inherita
var2 = (adc_T / 131072.0 - self.digT[0] / 8192.0) * (adc_T / 131072.0 - self.digT[0] / 8192.0) * self.digT[2]
return var1 + var2
def calc_compensated_temperature(self, t_fine):
@staticmethod
def calc_compensated_temperature(t_fine):
return t_fine / 5120.0
def calc_compensated_pressure(self, t_fine, adc_P):
var1 = (t_fine/2.0) - 64000.0
var1 = (t_fine / 2.0) - 64000.0
var2 = var1 * var1 * (self.digP[5]) / 32768.0
var2 = var2 + var1 * (self.digP[4]) * 2.0
var2 = (var2/4.0)+(self.digP[3] * 65536.0)
var2 = (var2 / 4.0) + (self.digP[3] * 65536.0)
var1 = (self.digP[2] * var1 * var1 / 524288.0 + self.digP[1] * var1) / 524288.0
var1 = (1.0 + var1 / 32768.0)*self.digP[0]
var1 = (1.0 + var1 / 32768.0) * self.digP[0]
if var1 == 0.0:
return 0 # avoid exception caused by division by zero
return 0 # avoid exception caused by division by zero
p = 1048576.0 - adc_P
p = (p - (var2 / 4096.0)) * 6250.0 / var1
var1 = self.digP[8] * p * p / 2147483648.0
@ -253,7 +253,10 @@ class Bme280(object): # pylint: disable=bad-option-value,useless-object-inherita
def calc_compensated_humidity(self, t_fine, adc_H):
var_H = t_fine - 76800.0
# yapf: disable
# pylint: disable=line-too-long
var_H = (adc_H - (self.digH[3] * 64.0 + self.digH[4] / 16384.0 * var_H)) * (self.digH[1] / 65536.0 * (1.0 + self.digH[5] / 67108864.0 * var_H * (1.0 + self.digH[2] / 67108864.0 * var_H)))
# yapf: enable
var_H = var_H * (1.0 - self.digH[0] * var_H / 524288.0)
if var_H > 100.0:
var_H = 100.0

14
demo.py
View File

@ -1,12 +1,16 @@
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import bme280
if __name__ == '__main__':
def main():
bme = bme280.Bme280()
bme.set_mode(bme280.MODE_FORCED)
t, p, h = bme.get_data()
print "Temperature: %f °C" % t
print "Pressure: %f P" % p
print "Humidity: %f %%" % h
print("Temperature: %f °C" % t)
print("Pressure: %f P" % p)
print("Humidity: %f %%" % h)
if __name__ == '__main__':
main()

47
tests/bme280_test.py
View File

@ -1,4 +1,3 @@
# import unittest
import sys
import time
@ -11,10 +10,11 @@ import snapshottest
MOCKED_SMBUS_MODULE = mock.Mock()
sys.modules['smbus'] = MOCKED_SMBUS_MODULE
time.sleep = lambda s: None
import bme280
import bme280 # pylint: disable=wrong-import-position
# inspired by https://github.com/adafruit/Adafruit_Python_GPIO/blob/master/Adafruit_GPIO/I2C.py
class MockSMBus(object):
class MockSMBus(object): # pylint: disable=bad-option-value,useless-object-inheritance
def __init__(self, initial_read=None):
self._log = []
self.initial_read = initial_read or {}
@ -37,45 +37,40 @@ class MockSMBus(object):
self._log.append(('w', addr, cmd))
self._log.append(('w', addr, val))
def setup_mockbus(**kwargs):
mockbus = MockSMBus(**kwargs)
MOCKED_SMBUS_MODULE.SMBus.return_value = mockbus
return mockbus
def calibration_read():
return [0x00] * (24+1+7)
return [0x00] * (24 + 1 + 7)
# pylint: disable=protected-access
class TestBme280(snapshottest.TestCase):
def test_setup(self):
mockbus = setup_mockbus(initial_read={
0x76: calibration_read()
})
mockbus = setup_mockbus(initial_read={0x76: calibration_read()})
bme = bme280.Bme280()
MOCKED_SMBUS_MODULE.SMBus.assert_called_with(1)
self.assertIsNotNone(bme)
self.assertMatchSnapshot(mockbus._log)
def test_chip_id(self):
mockbus = setup_mockbus(initial_read={
0x76: calibration_read() + [0x23]
})
mockbus = setup_mockbus(initial_read={0x76: calibration_read() + [0x23]})
bme = bme280.Bme280()
self.assertEqual(bme.get_chip_id(), 0x23)
self.assertMatchSnapshot(mockbus._log)
def test_reset(self):
mockbus = setup_mockbus(initial_read={
0x76: calibration_read()
})
mockbus = setup_mockbus(initial_read={0x76: calibration_read()})
bme = bme280.Bme280()
bme.reset()
self.assertMatchSnapshot(mockbus._log)
def test_status(self):
mockbus = setup_mockbus(initial_read={
0x76: calibration_read() + [0x08, 0x00, 0x01, 0x00]
})
mockbus = setup_mockbus(initial_read={0x76: calibration_read() + [0x08, 0x00, 0x01, 0x00]})
bme = bme280.Bme280()
self.assertTrue(bme.is_status_measuring())
self.assertFalse(bme.is_status_measuring())
@ -84,9 +79,7 @@ class TestBme280(snapshottest.TestCase):
self.assertMatchSnapshot(mockbus._log)
def test_oversampling(self):
mockbus = setup_mockbus(initial_read={
0x76: calibration_read()
})
mockbus = setup_mockbus(initial_read={0x76: calibration_read()})
bme = bme280.Bme280()
self.assertEqual(bme.get_humidity_oversampling(), bme280.HO_1)
bme.set_humidity_oversampling(bme280.HO_16)
@ -100,9 +93,7 @@ class TestBme280(snapshottest.TestCase):
self.assertMatchSnapshot(mockbus._log)
def test_mode(self):
mockbus = setup_mockbus(initial_read={
0x76: calibration_read()
})
mockbus = setup_mockbus(initial_read={0x76: calibration_read()})
bme = bme280.Bme280()
self.assertEqual(bme.get_mode(), bme280.MODE_SLEEP)
bme.set_mode(bme280.MODE_FORCED)
@ -110,9 +101,7 @@ class TestBme280(snapshottest.TestCase):
self.assertMatchSnapshot(mockbus._log)
def test_config(self):
mockbus = setup_mockbus(initial_read={
0x76: calibration_read()
})
mockbus = setup_mockbus(initial_read={0x76: calibration_read()})
bme = bme280.Bme280()
self.assertEqual(bme.get_tstandy(), bme280.TSTANDBY_1000)
bme.set_tstandy(bme280.TSTANDBY_20)
@ -123,11 +112,9 @@ class TestBme280(snapshottest.TestCase):
self.assertMatchSnapshot(mockbus._log)
def test_data(self):
mockbus = setup_mockbus(initial_read={
0x76: calibration_read() + [0x00] * 8
})
mockbus = setup_mockbus(initial_read={0x76: calibration_read() + [0x00] * 8})
bme = bme280.Bme280()
bme.set_mode(bme280.MODE_FORCED)
t, p, h = bme.get_data()
t, p, h = bme.get_data() # pylint: disable=unused-variable
# self.assertEqual(t, 0x00)
self.assertMatchSnapshot(mockbus._log)